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QuadKings: Fog of Checkmate - End User License Agreement
Last updated: November 18, 2024

This End User License Agreement ("EULA") combines our Terms of Service and Privacy Policy. By installing and playing QuadKings: Fog of Checkmate, you agree to be bound by this EULA.




Terms of Service

Last updated: November 18, 2024

1. Agreement to Terms
By accessing, downloading, or playing QuadKings: Fog of Checkmate ("the Game"), you agree to be bound by these Terms of Service ("Terms"). If you do not agree to these Terms, do not use the Game.
The Game is operated by RoboForgeStudios, Individual Entrepreneur registered in Kazakhstan ("we," "us," or "our").

2. Game Description
QuadKings: Fog of Checkmate is a four-player simultaneous chess game featuring:
  • Simultaneous moves - All players move at the same time
  • Fog of War - Limited visibility adds strategic depth
  • Cooldown-based piece movement - Each piece has unique cooldown timers (1s-20s)
  • 14×14 board - Larger battlefield for 4 players
  • Hybrid chess pieces - Advanced pieces (Marshal, Sentinel, Amazon, etc.)
  • FIDE-based 4-player rating system - Competitive rankings and titles
  • Match replays - Review any match from your history (Lichess-style)
  • In-game chat - Communicate with emojis and quick messages
  • Cross-platform multiplayer - Steam, Web, Android, iOS (when available)

3. Game Availability and Platforms
3.1 Current Availability
The Game is currently available on:
  • Steam (Windows PC) - Available now

3.2 Coming Soon
  • 🔜 Web Browser version
  • 🔜 Android (Google Play)
  • 🔜 iOS (App Store)
  • 🔜 macOS & Linux desktop versions
Platform-specific terms (Steam Subscriber Agreement, Google Play ToS, Apple ToS) also apply when using the Game on those platforms.

4. User Accounts
4.1 Account Registration
To play QuadKings, you must:
  • Be at least 13 years old (USA) or 16 years old (EU) or legal digital age in your jurisdiction
  • Provide accurate registration information (username, email if required)
  • Maintain the security of your account credentials
  • Accept responsibility for all activities under your account
  • Use only one account per person (multiple accounts are prohibited)

4.2 Account Security
You are solely responsible for maintaining the confidentiality of your password and account. Notify us immediately at [email protected] if you suspect unauthorized access.

4.3 Account Termination
We may suspend or permanently ban your account if you:
  • Violate these Terms or our Code of Conduct
  • Use cheats, bots, hacks, or unauthorized third-party software
  • Harass, threaten, or abuse other players
  • Manipulate ratings or rankings through collusion
  • Create multiple accounts (smurfing)
  • Share or sell your account
  • Engage in fraudulent activity

5. Code of Conduct
5.1 Prohibited Behavior
You must NOT:
  • 🚫 Cheat: Use bots, engine assistance, exploits, or unauthorized tools
  • 🚫 Harass: Engage in hate speech, bullying, threats, or toxic behavior
  • 🚫 Spam: Send unwanted messages, advertisements, or repetitive chat
  • 🚫 Impersonate: Pretend to be another player, moderator, or staff member
  • 🚫 Manipulate ratings: Intentionally lose games, collude, or rating farm
  • 🚫 Exploit bugs: Abuse glitches for unfair advantage (report them instead!)
  • 🚫 Reverse engineer: Decompile, modify, or extract game code
  • 🚫 Sell accounts: Account trading or selling is strictly prohibited

5.2 Fair Play
QuadKings is a competitive skill-based game. All players must compete fairly and honestly.
  • Use of chess engines or AI assistance is strictly prohibited
  • We use anti-cheat systems and statistical analysis to detect violations
  • First offense: Warning or temporary ban
  • Repeated violations: Permanent ban

5.3 Chat and Communication
In-game chat must be respectful and appropriate:
  • No offensive language, slurs, or discriminatory comments
  • No threats, doxxing, or personal attacks
  • No spam or advertising
  • Use emoji reactions appropriately
Violations: Chat restrictions (mute), temporary ban, or permanent ban depending on severity.

6. Intellectual Property
6.1 Ownership
All Game content is owned by RoboForgeStudios or licensed to us, including:
  • QuadKings name, logo, and trademarks
  • Chess piece designs (classic and hybrid pieces)
  • Board graphics, UI, and visual assets
  • Software code, algorithms, and game mechanics
  • Audio, sound effects, and music
  • Fog of war system and cooldown mechanics
You may not copy, modify, distribute, sell, or create derivative works without written permission.

6.2 User Content and Replays
Match replays: Similar to Lichess, all matches are recorded and can be viewed/shared.
  • You grant us a license to store and display your match replays
  • You may share replay links for educational or entertainment purposes
  • Replays are considered part of the Game's public record
  • Streamers may broadcast their gameplay (attribution appreciated!)

6.3 User-Generated Content
By submitting content (username, profile picture, chat messages), you grant us a worldwide, non-exclusive, royalty-free license to use, display, and distribute that content within the Game and promotional materials.

7. Monetization and Purchases
7.1 Current Status
QuadKings is currently 100% free-to-play. Core gameplay features are available to all players at no cost.

7.2 Future Monetization (Coming Soon)
We may introduce optional purchases in the future, such as:
  • Cosmetic items (board themes, piece skins)
  • Profile customization (avatars, titles, badges)
  • Premium features (advanced statistics, extended replay storage)
Important: Core gameplay will always remain free. No pay-to-win mechanics. Purchases are cosmetic or convenience only.

7.3 Purchase Terms and Refund Policy
All purchases are processed through Paddle.com ("Paddle"), our authorized payment processor. Refunds are available in accordance with Paddle's refund policy. Paddle's standard refund policy allows refunds within 14 days of purchase for digital products. Please contact Paddle support or us at [email protected] to request a refund.
  • Virtual items have no real-world monetary value
  • Prices may change without notice
  • We may revoke access to purchased content if you violate these Terms
  • Purchases are tied to your account and non-transferable
Refund Requests: To request a refund, please contact Paddle support directly or reach out to us at [email protected]. Refunds will be processed according to Paddle's standard refund policy.

8. Game Features and Mechanics
8.1 Match Replays
Similar to Lichess.org, all matches are automatically recorded:
  • Replays can be viewed anytime in your match history
  • Replays show all moves from all 4 players (no fog of war in replay)
  • You can share replay links with others
  • Replays are stored indefinitely (subject to our data retention policy)
  • You can request deletion of specific replays via [email protected]

8.2 Rating System
We use a FIDE-inspired rating system adapted for 4-player simultaneous chess:
  • Starting rating: 1200 (Beginner)
  • Rating changes based on match outcome and opponents' ratings
  • Titles earned: Beginner → Amateur → Expert → Master → Grandmaster
  • Leaderboards are public and reset seasonally (when ranked seasons are introduced)

8.3 Chat System
Chat modes available:
  • Full: Send text messages and emojis
  • Emoji only: Quick reactions (smile, etc.)
  • Off: No chat interaction
Chat messages are moderated. Abuse will result in restrictions or bans.

9. Fair Play and Anti-Cheat
9.1 Prohibited Tools
The following are strictly prohibited:
  • Chess engines (Stockfish, Komodo, etc.)
  • AI assistants or move calculators
  • Automated bots or scripts
  • Memory editors or game modifiers
  • Network manipulation tools
  • Exploits or glitches for unfair advantage

9.2 Detection and Enforcement
We use multiple anti-cheat systems:
  • Statistical analysis of move patterns and timing
  • Automated detection of suspicious behavior
  • Player reports and manual review
  • Client-side integrity checks

9.3 Penalties
  • First offense: Warning + rating reset
  • Second offense: 30-day ban
  • Third offense or severe violations: Permanent ban
  • Appeals: Can be submitted to [email protected] within 14 days

10. Game Updates and Changes
We reserve the right to:
  • Update, modify, or discontinue the Game or any features at any time
  • Change piece cooldowns, game balance, or mechanics
  • Add or remove chess pieces (classic or hybrid)
  • Modify the rating system or reset ratings if necessary
  • Perform scheduled maintenance (with advance notice when possible)
  • Add new platforms (Android, iOS, Web)
We will notify players of significant changes via in-game notifications, email, or Discord announcements.

11. Disclaimers
11.1 "As Is" Service
The Game is provided "AS IS" and "AS AVAILABLE" without warranties of any kind, express or implied. We do not guarantee:
  • Uninterrupted, error-free, or secure access
  • Specific matchmaking times or opponent availability
  • Preservation of ratings, ranks, or match history indefinitely
  • Compatibility with all devices or platforms
  • That the Game will meet your expectations

11.2 Connection Requirements
QuadKings is an online multiplayer game requiring stable internet connection. We are not responsible for disconnections, lag, or connection issues on your end.

12. Limitation of Liability
To the maximum extent permitted by law, RoboForgeStudios and its affiliates shall NOT be liable for:
  • Indirect, incidental, consequential, or punitive damages
  • Loss of data, ratings, rankings, or virtual items
  • Service interruptions, downtime, or technical issues
  • Actions or behavior of other players
  • Unauthorized access to your account due to your negligence
  • Decisions made by automated anti-cheat systems (subject to appeal)
Our total liability shall not exceed the amount you paid us (if any) in the 12 months prior to the claim. Since the game is currently free, this means zero monetary liability.

13. Platform-Specific Terms
13.1 Steam
When playing via Steam, you are also subject to the Steam Subscriber Agreement.

13.2 Mobile Platforms (Coming Soon)
When available, mobile versions will also be subject to:
  • Android: Google Play Terms of Service
  • iOS: Apple App Store Terms and Conditions

14. Dispute Resolution
14.1 Contact First
If you have a dispute, please contact us first at [email protected]. We commit to resolving issues in good faith.

14.2 Informal Resolution
Most disputes can be resolved through customer support. We aim to respond within 7 business days.

14.3 Governing Law
These Terms are governed by the laws of Estonia. Any disputes arising from or related to these Terms shall be resolved in accordance with Estonian law.
Note: The choice of Estonian jurisdiction is standard practice for international software services and ensures clear legal framework for all users worldwide.

15. Changes to These Terms
We may update these Terms at any time. Significant changes will be announced via:
  • In-game notification when you next log in
  • Email notification (if you provided an email)
  • Discord announcement
  • Website banner
Continued use of the Game after changes constitutes acceptance of the updated Terms. If you do not agree, you must stop using the Game.

16. Contact Information
For questions, support, or legal inquiries:
RoboForgeStudios
Individual Entrepreneur registered in Kazakhstan
Legal & Compliance: [email protected]
General Support: [email protected]
Discord Community: discord.gg/TZTp4XC4
Website: 4chess.org

QuadKings Development Team
RoboForgeStudios

17. Severability
If any provision of these Terms is found to be unenforceable or invalid by a court of competent jurisdiction, that provision shall be limited or eliminated to the minimum extent necessary, and the remaining provisions shall remain in full force and effect.

18. Entire Agreement
These Terms, together with our Privacy Policy, constitute the entire agreement between you and RoboForgeStudios regarding the Game and supersede all prior agreements.

✅ Acknowledgment
By creating an account and playing QuadKings: Fog of Checkmate, you acknowledge that you have:
  • Read and understood these Terms of Service
  • Read and understood our Privacy Policy
  • Agreed to be bound by both documents
  • Confirmed you meet the minimum age requirement
  • Agreed to fair play and respectful behavior






Privacy Policy

Last updated: November 18, 2024

1. Introduction
Welcome to QuadKings: Fog of Checkmate ("we," "our," or "us"), developed by RoboForgeStudios. We are committed to protecting your privacy and personal data. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you play our four-player simultaneous chess game (the "Game") via Steam, mobile applications, web browser, or other platforms.
RoboForgeStudios is an Individual Entrepreneur registered in Kazakhstan. We operate globally and are committed to protecting user privacy in accordance with international standards, including GDPR.
By using QuadKings, you agree to the collection and use of information in accordance with this policy.

2. Information We Collect
2.1 Account Information
When you create an account, we collect:
  • Username or display name
  • Email address (if provided)
  • Password (encrypted and hashed)
  • Steam ID (if playing via Steam)
  • Profile picture (optional)
  • Country/region (optional)

2.2 Game Data
During gameplay, we collect:
  • Game moves and match history - All moves made during matches
  • Match recordings - Complete game replays for history review (similar to Lichess)
  • Player rankings and ratings - FIDE-based 4-player rating system
  • Game statistics - Win/loss ratio, average game time, performance metrics
  • In-game achievements and titles - Beginner, Amateur, Expert, Master, Grandmaster
  • Fog of war visibility data - What areas you could see during matches

2.3 Communication Data
  • In-game chat messages - Text chat, emojis (smile, reactions), and quick messages
  • Chat settings - Your preferences (on/off/full mode)
  • Support tickets - Customer service communications
  • Community interactions - Forum posts, Discord messages (on our server)
Note: We do not record voice or video. Only text-based communication is stored.

2.4 Technical Information
We automatically collect:
  • IP address and device identifiers (for security and matchmaking)
  • Browser type and version (for web version)
  • Operating system and platform (Windows, Android, iOS, Web)
  • Connection quality and latency data (for optimal matchmaking)
  • Crash reports and error logs (to improve stability)
  • Hardware specifications (for performance optimization)

3. How We Use Your Information
We use your information to:
  • Provide and maintain the Game services across all platforms (Steam, Android, iOS, Web)
  • Facilitate matchmaking between players based on rating and connection quality
  • Calculate and display player rankings and leaderboards (FIDE-based 4-player system)
  • Enable fog of war mechanics and real-time multiplayer synchronization
  • Store and provide access to match replays and game history
  • Moderate in-game chat and prevent abuse
  • Prevent cheating, hacking, and unauthorized access
  • Analyze game balance and improve gameplay mechanics
  • Send important game updates, patch notes, and security notifications
  • Provide customer support and respond to inquiries
  • Improve user experience and fix bugs
  • Comply with legal obligations and enforce our Terms of Service

4. Data Sharing and Disclosure
4.1 Public Information
The following information is publicly visible to all players:
  • Username and profile picture
  • Player rating, rank, and title (e.g., "Grandmaster")
  • Match history and game statistics (wins, losses, draws)
  • Achievements and titles earned
  • Leaderboard position (global and regional)
  • Game replays (if you choose to share them)
Important: Do not use personally identifiable information (real name, address, etc.) as your username, as it will be publicly visible.

4.2 Third-Party Services
We may share limited data with trusted third-party service providers:
  • Hosting providers (e.g., Render.com, Fly.io, Cloudflare) - For server infrastructure
  • Steam Platform - If you play via Steam (subject to Steam Privacy Policy)
  • Google Play / App Store - For mobile versions (when available)
  • Analytics services - Aggregated usage statistics only (no personal data)
  • Anti-cheat services - To detect and prevent cheating
We do not sell your personal data to third parties.

4.3 Legal Requirements
We may disclose your information if required by law, court order, government request, or to protect our rights, property, or safety of our users and prevent fraud or abuse.

5. Data Storage and Security
5.1 Where We Store Data
Your data is stored on secure cloud servers. Data may be processed and stored in various locations to provide optimal performance and availability.

5.2 Security Measures
We implement industry-standard security measures including:
  • SSL/TLS encryption for all data transmission (HTTPS)
  • Encrypted password storage (bcrypt/argon2 hashing)
  • Regular security audits and vulnerability scanning
  • Access controls and multi-factor authentication for staff
  • Automated backup systems with encryption
  • DDoS protection and firewall systems

5.3 Data Retention
We retain your data for the following periods:
  • Account data: Until you delete your account + 30 days
  • Match history and replays: Indefinitely (or until you request deletion)
  • Chat messages: 90 days (for moderation purposes)
  • Technical logs: 30 days
  • Banned accounts: Permanent records for anti-cheat purposes
Security Notice: While we use industry-standard security measures, no method of transmission over the internet is 100% secure. We cannot guarantee absolute security.

6. Your Rights (GDPR & Privacy Rights)
Depending on your location, you may have the following rights:
  • Right to Access: Request a copy of all your personal data we hold
  • Right to Rectification: Update or correct inaccurate information
  • Right to Erasure ("Right to be Forgotten"): Request deletion of your account and associated data
  • Right to Data Portability: Export your game data, match history, and statistics in a machine-readable format
  • Right to Object: Opt-out of certain data processing activities
  • Right to Restrict Processing: Limit how we use your data
  • Right to Withdraw Consent: Revoke previously given permissions at any time

How to Exercise Your Rights:
Contact us at: [email protected]
We will respond to your request within 30 days (as required by GDPR).

7. Children's Privacy (COPPA & Age Requirements)
The Game is rated for general audiences but requires online interaction. We comply with children's privacy laws:
  • Minimum age: 13 years old (USA - COPPA requirement)
  • EU users: 16 years old (or age of digital consent in your country)
  • Parental consent: Required for users under the minimum age
We do not knowingly collect personal information from children under the applicable age. If you believe a child has provided us with personal data without parental consent, please contact us immediately at [email protected].
For Parents: You can request deletion of your child's account and data at any time.

8. Cookies and Tracking Technologies
We use cookies and similar technologies:

Essential Cookies (Required):
  • Authentication tokens - Keep you logged in
  • Session management - Maintain your game state
  • Security cookies - Prevent CSRF attacks

Functional Cookies (Optional):
  • Language preference - Remember your selected language
  • Game settings - Board theme, sound preferences, etc.
  • Chat preferences - Remember on/off/full mode selection

Analytics Cookies (Optional):
  • Usage analytics - Understand how players use the game (aggregated data only)
  • Performance monitoring - Track loading times and errors
You can control cookies through your browser settings. Disabling essential cookies may prevent the Game from functioning properly.

9. International Data Transfers
QuadKings is a global game. Your data may be transferred to and processed in countries other than your country of residence, including:
  • United States (server infrastructure)
  • European Union (GDPR-compliant hosting)
  • Other regions as necessary for optimal performance
We ensure that any international data transfers comply with applicable laws, including GDPR Standard Contractual Clauses and adequacy decisions.

10. Match Replays and Public Game Data
Similar to Lichess.org: All matches are recorded and can be replayed by any player who participated.
  • Match replays are stored indefinitely and can be viewed in your match history
  • Game moves are public to all players in the match
  • Replay sharing: You can share replay links with others
  • Public leaderboards: Your username, rating, and rank are publicly visible
Note: If you want replays of your matches deleted, contact us. However, other players in those matches may still have access to their copy of the replay.

11. Chat and Communication Moderation
To maintain a safe and respectful community, we:
  • Store chat messages for up to 90 days for moderation purposes
  • Use automated systems to detect offensive language and abuse
  • Human moderators may review reported chat messages
  • Violating our Code of Conduct may result in chat restrictions or bans
Chat modes available: On (full chat), Off (disabled), Emojis only (smile/reactions)

12. Changes to This Policy
We may update this Privacy Policy from time to time to reflect changes in our practices, technology, legal requirements, or other factors.
We will notify you of significant changes via:
  • Email notification (if you provided an email)
  • In-game notification when you next log in
  • Announcement on our website and Discord server
Continued use of the Game after changes constitutes acceptance of the updated policy.

13. Contact Us
If you have questions, concerns, or requests regarding this Privacy Policy:
RoboForgeStudios
Individual Entrepreneur registered in Kazakhstan
Privacy Officer: [email protected]
General Support: [email protected]
Discord Community: discord.gg/TZTp4XC4
We aim to respond to all privacy inquiries within 30 days.

Legal Basis for Processing (GDPR Article 6)
For EU users, we process your data based on:
  • Contract performance: To provide the Game service you signed up for
  • Legitimate interests: To improve the Game, prevent fraud, and ensure security
  • Consent: For optional features like analytics (you can withdraw anytime)
  • Legal obligations: To comply with applicable laws and regulations
            By installing this app, you agree to the Terms of Service and Privacy Policy listed below. <br><br><div class="bb_h1">QuadKings: Fog of Checkmate - End User License Agreement</div>Last updated: November 18, 2024<br><br>This End User License Agreement ("EULA") combines our Terms of Service and Privacy Policy. By installing and playing QuadKings: Fog of Checkmate, you agree to be bound by this EULA.<br><br><hr><br><br><div class="bb_h1">Terms of Service</div><br><b>Last updated: November 18, 2024</b><br><br><div class="bb_h2">1. Agreement to Terms</div>By accessing, downloading, or playing QuadKings: Fog of Checkmate ("the Game"), you agree to be bound by these Terms of Service ("Terms"). If you do not agree to these Terms, do not use the Game.<br>The Game is operated by <b>RoboForgeStudios, Individual Entrepreneur registered in Kazakhstan</b> ("we," "us," or "our").<br><br><div class="bb_h2">2. Game Description</div>QuadKings: Fog of Checkmate is a four-player simultaneous chess game featuring:<br><ul class="bb_ul"><li>Simultaneous moves - All players move at the same time<br></li><li>Fog of War - Limited visibility adds strategic depth<br></li><li>Cooldown-based piece movement - Each piece has unique cooldown timers (1s-20s)<br></li><li>14×14 board - Larger battlefield for 4 players<br></li><li>Hybrid chess pieces - Advanced pieces (Marshal, Sentinel, Amazon, etc.)<br></li><li>FIDE-based 4-player rating system - Competitive rankings and titles<br></li><li>Match replays - Review any match from your history (Lichess-style)<br></li><li>In-game chat - Communicate with emojis and quick messages<br></li><li>Cross-platform multiplayer - Steam, Web, Android, iOS (when available)</li></ul><br><div class="bb_h2">3. Game Availability and Platforms</div><b>3.1 Current Availability</b><br>The Game is currently available on:<br><ul class="bb_ul"><li>✅ <b>Steam</b> (Windows PC) - Available now</li></ul><br><b>3.2 Coming Soon</b><br><ul class="bb_ul"><li>🔜 <b>Web Browser</b> version<br></li><li>🔜 <b>Android</b> (Google Play)<br></li><li>🔜 <b>iOS</b> (App Store)<br></li><li>🔜 <b>macOS & Linux</b> desktop versions</li></ul>Platform-specific terms (Steam Subscriber Agreement, Google Play ToS, Apple ToS) also apply when using the Game on those platforms.<br><br><div class="bb_h2">4. User Accounts</div><b>4.1 Account Registration</b><br>To play QuadKings, you must:<br><ul class="bb_ul"><li>Be at least 13 years old (USA) or 16 years old (EU) or legal digital age in your jurisdiction<br></li><li>Provide accurate registration information (username, email if required)<br></li><li>Maintain the security of your account credentials<br></li><li>Accept responsibility for all activities under your account<br></li><li>Use only one account per person (multiple accounts are prohibited)</li></ul><br><b>4.2 Account Security</b><br>You are solely responsible for maintaining the confidentiality of your password and account. Notify us immediately at <a href="mailto:[email protected]">[email protected]</a> if you suspect unauthorized access.<br><br><b>4.3 Account Termination</b><br>We may suspend or permanently ban your account if you:<br><ul class="bb_ul"><li>Violate these Terms or our Code of Conduct<br></li><li>Use cheats, bots, hacks, or unauthorized third-party software<br></li><li>Harass, threaten, or abuse other players<br></li><li>Manipulate ratings or rankings through collusion<br></li><li>Create multiple accounts (smurfing)<br></li><li>Share or sell your account<br></li><li>Engage in fraudulent activity</li></ul><br><div class="bb_h2">5. Code of Conduct</div><b>5.1 Prohibited Behavior</b><br>You must <b>NOT</b>:<br><ul class="bb_ul"><li>🚫 <b>Cheat:</b> Use bots, engine assistance, exploits, or unauthorized tools<br></li><li>🚫 <b>Harass:</b> Engage in hate speech, bullying, threats, or toxic behavior<br></li><li>🚫 <b>Spam:</b> Send unwanted messages, advertisements, or repetitive chat<br></li><li>🚫 <b>Impersonate:</b> Pretend to be another player, moderator, or staff member<br></li><li>🚫 <b>Manipulate ratings:</b> Intentionally lose games, collude, or rating farm<br></li><li>🚫 <b>Exploit bugs:</b> Abuse glitches for unfair advantage (report them instead!)<br></li><li>🚫 <b>Reverse engineer:</b> Decompile, modify, or extract game code<br></li><li>🚫 <b>Sell accounts:</b> Account trading or selling is strictly prohibited</li></ul><br><b>5.2 Fair Play</b><br>QuadKings is a competitive skill-based game. All players must compete fairly and honestly.<br><ul class="bb_ul"><li>Use of chess engines or AI assistance is <b>strictly prohibited</b><br></li><li>We use anti-cheat systems and statistical analysis to detect violations<br></li><li>First offense: Warning or temporary ban<br></li><li>Repeated violations: Permanent ban</li></ul><br><b>5.3 Chat and Communication</b><br>In-game chat must be respectful and appropriate:<br><ul class="bb_ul"><li>No offensive language, slurs, or discriminatory comments<br></li><li>No threats, doxxing, or personal attacks<br></li><li>No spam or advertising<br></li><li>Use emoji reactions appropriately</li></ul><b>Violations:</b> Chat restrictions (mute), temporary ban, or permanent ban depending on severity.<br><br><div class="bb_h2">6. Intellectual Property</div><b>6.1 Ownership</b><br>All Game content is owned by RoboForgeStudios or licensed to us, including:<br><ul class="bb_ul"><li>QuadKings name, logo, and trademarks<br></li><li>Chess piece designs (classic and hybrid pieces)<br></li><li>Board graphics, UI, and visual assets<br></li><li>Software code, algorithms, and game mechanics<br></li><li>Audio, sound effects, and music<br></li><li>Fog of war system and cooldown mechanics</li></ul>You may not copy, modify, distribute, sell, or create derivative works without written permission.<br><br><b>6.2 User Content and Replays</b><br><b>Match replays:</b> Similar to Lichess, all matches are recorded and can be viewed/shared.<br><ul class="bb_ul"><li>You grant us a license to store and display your match replays<br></li><li>You may share replay links for educational or entertainment purposes<br></li><li>Replays are considered part of the Game's public record<br></li><li>Streamers may broadcast their gameplay (attribution appreciated!)</li></ul><br><b>6.3 User-Generated Content</b><br>By submitting content (username, profile picture, chat messages), you grant us a worldwide, non-exclusive, royalty-free license to use, display, and distribute that content within the Game and promotional materials.<br><br><div class="bb_h2">7. Monetization and Purchases</div><b>7.1 Current Status</b><br>QuadKings is currently <b>100% free-to-play</b>. Core gameplay features are available to all players at no cost.<br><br><b>7.2 Future Monetization (Coming Soon)</b><br>We may introduce <b>optional</b> purchases in the future, such as:<br><ul class="bb_ul"><li>Cosmetic items (board themes, piece skins)<br></li><li>Profile customization (avatars, titles, badges)<br></li><li>Premium features (advanced statistics, extended replay storage)</li></ul><b>Important:</b> Core gameplay will <b>always remain free</b>. No pay-to-win mechanics. Purchases are cosmetic or convenience only.<br><br><b>7.3 Purchase Terms and Refund Policy</b><br>All purchases are processed through <a class="bb_link" href="https://steamcommunity.com/linkfilter/?u=http%3A%2F%2FPaddle.com" target="_blank" rel=" noopener">Paddle.com</a> ("Paddle"), our authorized payment processor. <b>Refunds are available</b> in accordance with Paddle's refund policy. Paddle's standard refund policy allows refunds within 14 days of purchase for digital products. Please contact Paddle support or us at <a href="mailto:[email protected]">[email protected]</a> to request a refund.<br><ul class="bb_ul"><li>Virtual items have no real-world monetary value<br></li><li>Prices may change without notice<br></li><li>We may revoke access to purchased content if you violate these Terms<br></li><li>Purchases are tied to your account and non-transferable</li></ul><b>Refund Requests:</b> To request a refund, please contact Paddle support directly or reach out to us at <b><a href="mailto:[email protected]">[email protected]</a></b>. Refunds will be processed according to Paddle's standard refund policy.<br><br><div class="bb_h2">8. Game Features and Mechanics</div><b>8.1 Match Replays</b><br>Similar to <a class="bb_link" href="https://steamcommunity.com/linkfilter/?u=http%3A%2F%2FLichess.org" target="_blank" rel=" noopener">Lichess.org</a>, all matches are automatically recorded:<br><ul class="bb_ul"><li>Replays can be viewed anytime in your match history<br></li><li>Replays show all moves from all 4 players (no fog of war in replay)<br></li><li>You can share replay links with others<br></li><li>Replays are stored indefinitely (subject to our data retention policy)<br></li><li>You can request deletion of specific replays via <a href="mailto:[email protected]">[email protected]</a></li></ul><br><b>8.2 Rating System</b><br>We use a FIDE-inspired rating system adapted for 4-player simultaneous chess:<br><ul class="bb_ul"><li>Starting rating: 1200 (Beginner)<br></li><li>Rating changes based on match outcome and opponents' ratings<br></li><li>Titles earned: Beginner → Amateur → Expert → Master → Grandmaster<br></li><li>Leaderboards are public and reset seasonally (when ranked seasons are introduced)</li></ul><br><b>8.3 Chat System</b><br>Chat modes available:<br><ul class="bb_ul"><li><b>Full:</b> Send text messages and emojis<br></li><li><b>Emoji only:</b> Quick reactions (smile, etc.)<br></li><li><b>Off:</b> No chat interaction</li></ul>Chat messages are moderated. Abuse will result in restrictions or bans.<br><br><div class="bb_h2">9. Fair Play and Anti-Cheat</div><b>9.1 Prohibited Tools</b><br>The following are <b>strictly prohibited</b>:<br><ul class="bb_ul"><li>Chess engines (Stockfish, Komodo, etc.)<br></li><li>AI assistants or move calculators<br></li><li>Automated bots or scripts<br></li><li>Memory editors or game modifiers<br></li><li>Network manipulation tools<br></li><li>Exploits or glitches for unfair advantage</li></ul><br><b>9.2 Detection and Enforcement</b><br>We use multiple anti-cheat systems:<br><ul class="bb_ul"><li>Statistical analysis of move patterns and timing<br></li><li>Automated detection of suspicious behavior<br></li><li>Player reports and manual review<br></li><li>Client-side integrity checks</li></ul><br><b>9.3 Penalties</b><br><ul class="bb_ul"><li><b>First offense:</b> Warning + rating reset<br></li><li><b>Second offense:</b> 30-day ban<br></li><li><b>Third offense or severe violations:</b> Permanent ban<br></li><li><b>Appeals:</b> Can be submitted to <a href="mailto:[email protected]">[email protected]</a> within 14 days</li></ul><br><div class="bb_h2">10. Game Updates and Changes</div>We reserve the right to:<br><ul class="bb_ul"><li>Update, modify, or discontinue the Game or any features at any time<br></li><li>Change piece cooldowns, game balance, or mechanics<br></li><li>Add or remove chess pieces (classic or hybrid)<br></li><li>Modify the rating system or reset ratings if necessary<br></li><li>Perform scheduled maintenance (with advance notice when possible)<br></li><li>Add new platforms (Android, iOS, Web)</li></ul>We will notify players of significant changes via in-game notifications, email, or Discord announcements.<br><br><div class="bb_h2">11. Disclaimers</div><b>11.1 "As Is" Service</b><br>The Game is provided "AS IS" and "AS AVAILABLE" without warranties of any kind, express or implied. We do not guarantee:<br><ul class="bb_ul"><li>Uninterrupted, error-free, or secure access<br></li><li>Specific matchmaking times or opponent availability<br></li><li>Preservation of ratings, ranks, or match history indefinitely<br></li><li>Compatibility with all devices or platforms<br></li><li>That the Game will meet your expectations</li></ul><br><b>11.2 Connection Requirements</b><br>QuadKings is an <b>online multiplayer game</b> requiring stable internet connection. We are not responsible for disconnections, lag, or connection issues on your end.<br><br><div class="bb_h2">12. Limitation of Liability</div>To the maximum extent permitted by law, RoboForgeStudios and its affiliates shall <b>NOT</b> be liable for:<br><ul class="bb_ul"><li>Indirect, incidental, consequential, or punitive damages<br></li><li>Loss of data, ratings, rankings, or virtual items<br></li><li>Service interruptions, downtime, or technical issues<br></li><li>Actions or behavior of other players<br></li><li>Unauthorized access to your account due to your negligence<br></li><li>Decisions made by automated anti-cheat systems (subject to appeal)</li></ul>Our total liability shall not exceed the amount you paid us (if any) in the 12 months prior to the claim. Since the game is currently free, this means <b>zero</b> monetary liability.<br><br><div class="bb_h2">13. Platform-Specific Terms</div><b>13.1 Steam</b><br>When playing via Steam, you are also subject to the Steam Subscriber Agreement.<br><br><b>13.2 Mobile Platforms (Coming Soon)</b><br>When available, mobile versions will also be subject to:<br><ul class="bb_ul"><li><b>Android:</b> Google Play Terms of Service<br></li><li><b>iOS:</b> Apple App Store Terms and Conditions</li></ul><br><div class="bb_h2">14. Dispute Resolution</div><b>14.1 Contact First</b><br>If you have a dispute, please contact us first at <a href="mailto:[email protected]">[email protected]</a>. We commit to resolving issues in good faith.<br><br><b>14.2 Informal Resolution</b><br>Most disputes can be resolved through customer support. We aim to respond within 7 business days.<br><br><b>14.3 Governing Law</b><br>These Terms are governed by the laws of Estonia. Any disputes arising from or related to these Terms shall be resolved in accordance with Estonian law.<br>Note: The choice of Estonian jurisdiction is standard practice for international software services and ensures clear legal framework for all users worldwide.<br><br><div class="bb_h2">15. Changes to These Terms</div>We may update these Terms at any time. Significant changes will be announced via:<br><ul class="bb_ul"><li>In-game notification when you next log in<br></li><li>Email notification (if you provided an email)<br></li><li>Discord announcement<br></li><li>Website banner</li></ul>Continued use of the Game after changes constitutes acceptance of the updated Terms. If you do not agree, you must stop using the Game.<br><br><div class="bb_h2">16. Contact Information</div>For questions, support, or legal inquiries:<br><b>RoboForgeStudios</b><br>Individual Entrepreneur registered in Kazakhstan<br><b>Legal & Compliance:</b> <a href="mailto:[email protected]">[email protected]</a><br><b>General Support:</b> <a href="mailto:[email protected]">[email protected]</a><br><b>Discord Community:</b> <a class="bb_link" href="https://steamcommunity.com/linkfilter/?u=http%3A%2F%2Fdiscord.gg%2FTZTp4XC4" target="_blank" rel=" noopener">discord.gg/TZTp4XC4</a><br><b>Website:</b> <a class="bb_link" href="https://steamcommunity.com/linkfilter/?u=http%3A%2F%2F4chess.org" target="_blank" rel=" noopener">4chess.org</a><br><br>QuadKings Development Team<br>RoboForgeStudios<br><br><div class="bb_h2">17. Severability</div>If any provision of these Terms is found to be unenforceable or invalid by a court of competent jurisdiction, that provision shall be limited or eliminated to the minimum extent necessary, and the remaining provisions shall remain in full force and effect.<br><br><div class="bb_h2">18. Entire Agreement</div>These Terms, together with our Privacy Policy, constitute the entire agreement between you and RoboForgeStudios regarding the Game and supersede all prior agreements.<br><br><div class="bb_h2">✅ Acknowledgment</div><b>By creating an account and playing QuadKings: Fog of Checkmate, you acknowledge that you have:</b><br><ul class="bb_ul"><li>Read and understood these Terms of Service<br></li><li>Read and understood our Privacy Policy<br></li><li>Agreed to be bound by both documents<br></li><li>Confirmed you meet the minimum age requirement<br></li><li>Agreed to fair play and respectful behavior</li></ul><br><hr><br><hr><br><br><div class="bb_h1">Privacy Policy</div><br><b>Last updated: November 18, 2024</b><br><br><div class="bb_h2">1. Introduction</div>Welcome to QuadKings: Fog of Checkmate ("we," "our," or "us"), developed by RoboForgeStudios. We are committed to protecting your privacy and personal data. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you play our four-player simultaneous chess game (the "Game") via Steam, mobile applications, web browser, or other platforms.<br><b>RoboForgeStudios is an Individual Entrepreneur registered in Kazakhstan.</b> We operate globally and are committed to protecting user privacy in accordance with international standards, including GDPR.<br>By using QuadKings, you agree to the collection and use of information in accordance with this policy.<br><br><div class="bb_h2">2. Information We Collect</div><b>2.1 Account Information</b><br>When you create an account, we collect:<br><ul class="bb_ul"><li>Username or display name<br></li><li>Email address (if provided)<br></li><li>Password (encrypted and hashed)<br></li><li>Steam ID (if playing via Steam)<br></li><li>Profile picture (optional)<br></li><li>Country/region (optional)</li></ul><br><b>2.2 Game Data</b><br>During gameplay, we collect:<br><ul class="bb_ul"><li><b>Game moves and match history</b> - All moves made during matches<br></li><li><b>Match recordings</b> - Complete game replays for history review (similar to Lichess)<br></li><li><b>Player rankings and ratings</b> - FIDE-based 4-player rating system<br></li><li><b>Game statistics</b> - Win/loss ratio, average game time, performance metrics<br></li><li><b>In-game achievements and titles</b> - Beginner, Amateur, Expert, Master, Grandmaster<br></li><li><b>Fog of war visibility data</b> - What areas you could see during matches</li></ul><br><b>2.3 Communication Data</b><br><ul class="bb_ul"><li><b>In-game chat messages</b> - Text chat, emojis (smile, reactions), and quick messages<br></li><li><b>Chat settings</b> - Your preferences (on/off/full mode)<br></li><li><b>Support tickets</b> - Customer service communications<br></li><li><b>Community interactions</b> - Forum posts, Discord messages (on our server)</li></ul>Note: We do not record voice or video. Only text-based communication is stored.<br><br><b>2.4 Technical Information</b><br>We automatically collect:<br><ul class="bb_ul"><li>IP address and device identifiers (for security and matchmaking)<br></li><li>Browser type and version (for web version)<br></li><li>Operating system and platform (Windows, Android, iOS, Web)<br></li><li>Connection quality and latency data (for optimal matchmaking)<br></li><li>Crash reports and error logs (to improve stability)<br></li><li>Hardware specifications (for performance optimization)</li></ul><br><div class="bb_h2">3. How We Use Your Information</div>We use your information to:<br><ul class="bb_ul"><li>Provide and maintain the Game services across all platforms (Steam, Android, iOS, Web)<br></li><li>Facilitate matchmaking between players based on rating and connection quality<br></li><li>Calculate and display player rankings and leaderboards (FIDE-based 4-player system)<br></li><li>Enable fog of war mechanics and real-time multiplayer synchronization<br></li><li>Store and provide access to match replays and game history<br></li><li>Moderate in-game chat and prevent abuse<br></li><li>Prevent cheating, hacking, and unauthorized access<br></li><li>Analyze game balance and improve gameplay mechanics<br></li><li>Send important game updates, patch notes, and security notifications<br></li><li>Provide customer support and respond to inquiries<br></li><li>Improve user experience and fix bugs<br></li><li>Comply with legal obligations and enforce our Terms of Service</li></ul><br><div class="bb_h2">4. Data Sharing and Disclosure</div><b>4.1 Public Information</b><br>The following information is <b>publicly visible</b> to all players:<br><ul class="bb_ul"><li>Username and profile picture<br></li><li>Player rating, rank, and title (e.g., "Grandmaster")<br></li><li>Match history and game statistics (wins, losses, draws)<br></li><li>Achievements and titles earned<br></li><li>Leaderboard position (global and regional)<br></li><li>Game replays (if you choose to share them)</li></ul><b>Important:</b> Do not use personally identifiable information (real name, address, etc.) as your username, as it will be publicly visible.<br><br><b>4.2 Third-Party Services</b><br>We may share limited data with trusted third-party service providers:<br><ul class="bb_ul"><li><b>Hosting providers</b> (e.g., <a class="bb_link" href="https://steamcommunity.com/linkfilter/?u=http%3A%2F%2FRender.com" target="_blank" rel=" noopener">Render.com</a>, Fly.io, Cloudflare) - For server infrastructure<br></li><li><b>Steam Platform</b> - If you play via Steam (subject to Steam Privacy Policy)<br></li><li><b>Google Play / App Store</b> - For mobile versions (when available)<br></li><li><b>Analytics services</b> - Aggregated usage statistics only (no personal data)<br></li><li><b>Anti-cheat services</b> - To detect and prevent cheating</li></ul>We do <b>not</b> sell your personal data to third parties.<br><br><b>4.3 Legal Requirements</b><br>We may disclose your information if required by law, court order, government request, or to protect our rights, property, or safety of our users and prevent fraud or abuse.<br><br><div class="bb_h2">5. Data Storage and Security</div><b>5.1 Where We Store Data</b><br>Your data is stored on secure cloud servers. Data may be processed and stored in various locations to provide optimal performance and availability.<br><br><b>5.2 Security Measures</b><br>We implement industry-standard security measures including:<br><ul class="bb_ul"><li>SSL/TLS encryption for all data transmission (HTTPS)<br></li><li>Encrypted password storage (bcrypt/argon2 hashing)<br></li><li>Regular security audits and vulnerability scanning<br></li><li>Access controls and multi-factor authentication for staff<br></li><li>Automated backup systems with encryption<br></li><li>DDoS protection and firewall systems</li></ul><br><b>5.3 Data Retention</b><br>We retain your data for the following periods:<br><ul class="bb_ul"><li><b>Account data:</b> Until you delete your account + 30 days<br></li><li><b>Match history and replays:</b> Indefinitely (or until you request deletion)<br></li><li><b>Chat messages:</b> 90 days (for moderation purposes)<br></li><li><b>Technical logs:</b> 30 days<br></li><li><b>Banned accounts:</b> Permanent records for anti-cheat purposes</li></ul><b>Security Notice:</b> While we use industry-standard security measures, no method of transmission over the internet is 100% secure. We cannot guarantee absolute security.<br><br><div class="bb_h2">6. Your Rights (GDPR & Privacy Rights)</div>Depending on your location, you may have the following rights:<br><ul class="bb_ul"><li><b>Right to Access:</b> Request a copy of all your personal data we hold<br></li><li><b>Right to Rectification:</b> Update or correct inaccurate information<br></li><li><b>Right to Erasure ("Right to be Forgotten"):</b> Request deletion of your account and associated data<br></li><li><b>Right to Data Portability:</b> Export your game data, match history, and statistics in a machine-readable format<br></li><li><b>Right to Object:</b> Opt-out of certain data processing activities<br></li><li><b>Right to Restrict Processing:</b> Limit how we use your data<br></li><li><b>Right to Withdraw Consent:</b> Revoke previously given permissions at any time</li></ul><br><b>How to Exercise Your Rights:</b><br>Contact us at: <b><a href="mailto:[email protected]">[email protected]</a></b><br>We will respond to your request within 30 days (as required by GDPR).<br><br><div class="bb_h2">7. Children's Privacy (COPPA & Age Requirements)</div>The Game is rated for general audiences but requires online interaction. We comply with children's privacy laws:<br><ul class="bb_ul"><li><b>Minimum age:</b> 13 years old (USA - COPPA requirement)<br></li><li><b>EU users:</b> 16 years old (or age of digital consent in your country)<br></li><li><b>Parental consent:</b> Required for users under the minimum age</li></ul>We do not knowingly collect personal information from children under the applicable age. If you believe a child has provided us with personal data without parental consent, please contact us immediately at <a href="mailto:[email protected]">[email protected]</a>.<br><b>For Parents:</b> You can request deletion of your child's account and data at any time.<br><br><div class="bb_h2">8. Cookies and Tracking Technologies</div>We use cookies and similar technologies:<br><br><b>Essential Cookies (Required):</b><br><ul class="bb_ul"><li>Authentication tokens - Keep you logged in<br></li><li>Session management - Maintain your game state<br></li><li>Security cookies - Prevent CSRF attacks</li></ul><br><b>Functional Cookies (Optional):</b><br><ul class="bb_ul"><li>Language preference - Remember your selected language<br></li><li>Game settings - Board theme, sound preferences, etc.<br></li><li>Chat preferences - Remember on/off/full mode selection</li></ul><br><b>Analytics Cookies (Optional):</b><br><ul class="bb_ul"><li>Usage analytics - Understand how players use the game (aggregated data only)<br></li><li>Performance monitoring - Track loading times and errors</li></ul>You can control cookies through your browser settings. Disabling essential cookies may prevent the Game from functioning properly.<br><br><div class="bb_h2">9. International Data Transfers</div>QuadKings is a global game. Your data may be transferred to and processed in countries other than your country of residence, including:<br><ul class="bb_ul"><li>United States (server infrastructure)<br></li><li>European Union (GDPR-compliant hosting)<br></li><li>Other regions as necessary for optimal performance</li></ul>We ensure that any international data transfers comply with applicable laws, including GDPR Standard Contractual Clauses and adequacy decisions.<br><br><div class="bb_h2">10. Match Replays and Public Game Data</div><b>Similar to <a class="bb_link" href="https://steamcommunity.com/linkfilter/?u=http%3A%2F%2FLichess.org" target="_blank" rel=" noopener">Lichess.org</a>:</b> All matches are recorded and can be replayed by any player who participated.<br><ul class="bb_ul"><li><b>Match replays</b> are stored indefinitely and can be viewed in your match history<br></li><li><b>Game moves</b> are public to all players in the match<br></li><li><b>Replay sharing:</b> You can share replay links with others<br></li><li><b>Public leaderboards:</b> Your username, rating, and rank are publicly visible</li></ul><b>Note:</b> If you want replays of your matches deleted, contact us. However, other players in those matches may still have access to their copy of the replay.<br><br><div class="bb_h2">11. Chat and Communication Moderation</div>To maintain a safe and respectful community, we:<br><ul class="bb_ul"><li>Store chat messages for up to 90 days for moderation purposes<br></li><li>Use automated systems to detect offensive language and abuse<br></li><li>Human moderators may review reported chat messages<br></li><li>Violating our Code of Conduct may result in chat restrictions or bans</li></ul><b>Chat modes available:</b> On (full chat), Off (disabled), Emojis only (smile/reactions)<br><br><div class="bb_h2">12. Changes to This Policy</div>We may update this Privacy Policy from time to time to reflect changes in our practices, technology, legal requirements, or other factors.<br><b>We will notify you of significant changes via:</b><br><ul class="bb_ul"><li>Email notification (if you provided an email)<br></li><li>In-game notification when you next log in<br></li><li>Announcement on our website and Discord server</li></ul>Continued use of the Game after changes constitutes acceptance of the updated policy.<br><br><div class="bb_h2">13. Contact Us</div>If you have questions, concerns, or requests regarding this Privacy Policy:<br><b>RoboForgeStudios</b><br>Individual Entrepreneur registered in Kazakhstan<br><b>Privacy Officer:</b> <a href="mailto:[email protected]">[email protected]</a><br><b>General Support:</b> <a href="mailto:[email protected]">[email protected]</a><br><b>Discord Community:</b> <a class="bb_link" href="https://steamcommunity.com/linkfilter/?u=http%3A%2F%2Fdiscord.gg%2FTZTp4XC4" target="_blank" rel=" noopener">discord.gg/TZTp4XC4</a><br>We aim to respond to all privacy inquiries within 30 days.<br><br><div class="bb_h2">Legal Basis for Processing (GDPR Article 6)</div>For EU users, we process your data based on:<br><ul class="bb_ul"><li>✅ <b>Contract performance:</b> To provide the Game service you signed up for<br></li><li>✅ <b>Legitimate interests:</b> To improve the Game, prevent fraud, and ensure security<br></li><li>✅ <b>Consent:</b> For optional features like analytics (you can withdraw anytime)<br></li><li>✅ <b>Legal obligations:</b> To comply with applicable laws and regulations</li></ul>
    
        
By installing this app, you agree to the Terms of Service and Privacy Policy listed below.
QuadKings: Fog of Checkmate - End User License Agreement Last updated: November 18, 2024
This End User License Agreement ("EULA") combines our Terms of Service and Privacy Policy. By installing and playing QuadKings: Fog of Checkmate, you agree to be bound by this EULA.
Terms of Service
Last updated: November 18, 2024
1. Agreement to Terms By accessing, downloading, or playing QuadKings: Fog of Checkmate ("the Game"), you agree to be bound by these Terms of Service ("Terms"). If you do not agree to these Terms, do not use the Game. The Game is operated by RoboForgeStudios, Individual Entrepreneur registered in Kazakhstan ("we," "us," or "our").
2. Game Description QuadKings: Fog of Checkmate is a four-player simultaneous chess game featuring:
Simultaneous moves - All players move at the same time
Fog of War - Limited visibility adds strategic depth
Cooldown-based piece movement - Each piece has unique cooldown timers (1s-20s)
14×14 board - Larger battlefield for 4 players
Hybrid chess pieces - Advanced pieces (Marshal, Sentinel, Amazon, etc.)
FIDE-based 4-player rating system - Competitive rankings and titles
Match replays - Review any match from your history (Lichess-style)
In-game chat - Communicate with emojis and quick messages
Cross-platform multiplayer - Steam, Web, Android, iOS (when available)
3. Game Availability and Platforms 3.1 Current Availability The Game is currently available on:
✅ Steam (Windows PC) - Available now
3.2 Coming Soon
🔜 Web Browser version
🔜 Android (Google Play)
🔜 iOS (App Store)
🔜 macOS & Linux desktop versions Platform-specific terms (Steam Subscriber Agreement, Google Play ToS, Apple ToS) also apply when using the Game on those platforms.
4. User Accounts 4.1 Account Registration To play QuadKings, you must:
Be at least 13 years old (USA) or 16 years old (EU) or legal digital age in your jurisdiction
Provide accurate registration information (username, email if required)
Maintain the security of your account credentials
Accept responsibility for all activities under your account
Use only one account per person (multiple accounts are prohibited)
4.2 Account Security You are solely responsible for maintaining the confidentiality of your password and account. Notify us immediately at [email protected] if you suspect unauthorized access.
4.3 Account Termination We may suspend or permanently ban your account if you:
Violate these Terms or our Code of Conduct
Use cheats, bots, hacks, or unauthorized third-party software
Harass, threaten, or abuse other players
Manipulate ratings or rankings through collusion
Create multiple accounts (smurfing)
Share or sell your account
Engage in fraudulent activity
5. Code of Conduct 5.1 Prohibited Behavior You must NOT:
🚫 Cheat: Use bots, engine assistance, exploits, or unauthorized tools
🚫 Harass: Engage in hate speech, bullying, threats, or toxic behavior
🚫 Spam: Send unwanted messages, advertisements, or repetitive chat
🚫 Impersonate: Pretend to be another player, moderator, or staff member
🚫 Manipulate ratings: Intentionally lose games, collude, or rating farm
🚫 Exploit bugs: Abuse glitches for unfair advantage (report them instead!)
🚫 Reverse engineer: Decompile, modify, or extract game code
🚫 Sell accounts: Account trading or selling is strictly prohibited
5.2 Fair Play QuadKings is a competitive skill-based game. All players must compete fairly and honestly.
Use of chess engines or AI assistance is strictly prohibited
We use anti-cheat systems and statistical analysis to detect violations
First offense: Warning or temporary ban
Repeated violations: Permanent ban
5.3 Chat and Communication In-game chat must be respectful and appropriate:
No offensive language, slurs, or discriminatory comments
No threats, doxxing, or personal attacks
No spam or advertising
Use emoji reactions appropriately Violations: Chat restrictions (mute), temporary ban, or permanent ban depending on severity.
6. Intellectual Property 6.1 Ownership All Game content is owned by RoboForgeStudios or licensed to us, including:
QuadKings name, logo, and trademarks
Chess piece designs (classic and hybrid pieces)
Board graphics, UI, and visual assets
Software code, algorithms, and game mechanics
Audio, sound effects, and music
Fog of war system and cooldown mechanics You may not copy, modify, distribute, sell, or create derivative works without written permission.
6.2 User Content and Replays Match replays: Similar to Lichess, all matches are recorded and can be viewed/shared.
You grant us a license to store and display your match replays
You may share replay links for educational or entertainment purposes
Replays are considered part of the Game's public record
Streamers may broadcast their gameplay (attribution appreciated!)
6.3 User-Generated Content By submitting content (username, profile picture, chat messages), you grant us a worldwide, non-exclusive, royalty-free license to use, display, and distribute that content within the Game and promotional materials.
7. Monetization and Purchases 7.1 Current Status QuadKings is currently 100% free-to-play. Core gameplay features are available to all players at no cost.
7.2 Future Monetization (Coming Soon) We may introduce optional purchases in the future, such as:
Cosmetic items (board themes, piece skins)
Profile customization (avatars, titles, badges)
Premium features (advanced statistics, extended replay storage) Important: Core gameplay will always remain free. No pay-to-win mechanics. Purchases are cosmetic or convenience only.
7.3 Purchase Terms and Refund Policy All purchases are processed through Paddle.com ("Paddle"), our authorized payment processor. Refunds are available in accordance with Paddle's refund policy. Paddle's standard refund policy allows refunds within 14 days of purchase for digital products. Please contact Paddle support or us at [email protected] to request a refund.
Virtual items have no real-world monetary value
Prices may change without notice
We may revoke access to purchased content if you violate these Terms
Purchases are tied to your account and non-transferable Refund Requests: To request a refund, please contact Paddle support directly or reach out to us at [email protected]. Refunds will be processed according to Paddle's standard refund policy.
8. Game Features and Mechanics 8.1 Match Replays Similar to Lichess.org, all matches are automatically recorded:
Replays can be viewed anytime in your match history
Replays show all moves from all 4 players (no fog of war in replay)
You can share replay links with others
Replays are stored indefinitely (subject to our data retention policy)
You can request deletion of specific replays via [email protected]
8.2 Rating System We use a FIDE-inspired rating system adapted for 4-player simultaneous chess:
Starting rating: 1200 (Beginner)
Rating changes based on match outcome and opponents' ratings
Titles earned: Beginner → Amateur → Expert → Master → Grandmaster
Leaderboards are public and reset seasonally (when ranked seasons are introduced)
8.3 Chat System Chat modes available:
Full: Send text messages and emojis
Emoji only: Quick reactions (smile, etc.)
Off: No chat interaction Chat messages are moderated. Abuse will result in restrictions or bans.
9. Fair Play and Anti-Cheat 9.1 Prohibited Tools The following are strictly prohibited:
Chess engines (Stockfish, Komodo, etc.)
AI assistants or move calculators
Automated bots or scripts
Memory editors or game modifiers
Network manipulation tools
Exploits or glitches for unfair advantage
9.2 Detection and Enforcement We use multiple anti-cheat systems:
Statistical analysis of move patterns and timing
Automated detection of suspicious behavior
Player reports and manual review
Client-side integrity checks
9.3 Penalties
First offense: Warning + rating reset
Second offense: 30-day ban
Third offense or severe violations: Permanent ban
Appeals: Can be submitted to [email protected] within 14 days
10. Game Updates and Changes We reserve the right to:
Update, modify, or discontinue the Game or any features at any time
Change piece cooldowns, game balance, or mechanics
Add or remove chess pieces (classic or hybrid)
Modify the rating system or reset ratings if necessary
Perform scheduled maintenance (with advance notice when possible)
Add new platforms (Android, iOS, Web) We will notify players of significant changes via in-game notifications, email, or Discord announcements.
11. Disclaimers 11.1 "As Is" Service The Game is provided "AS IS" and "AS AVAILABLE" without warranties of any kind, express or implied. We do not guarantee:
Uninterrupted, error-free, or secure access
Specific matchmaking times or opponent availability
Preservation of ratings, ranks, or match history indefinitely
Compatibility with all devices or platforms
That the Game will meet your expectations
11.2 Connection Requirements QuadKings is an online multiplayer game requiring stable internet connection. We are not responsible for disconnections, lag, or connection issues on your end.
12. Limitation of Liability To the maximum extent permitted by law, RoboForgeStudios and its affiliates shall NOT be liable for:
Indirect, incidental, consequential, or punitive damages
Loss of data, ratings, rankings, or virtual items
Service interruptions, downtime, or technical issues
Actions or behavior of other players
Unauthorized access to your account due to your negligence
Decisions made by automated anti-cheat systems (subject to appeal) Our total liability shall not exceed the amount you paid us (if any) in the 12 months prior to the claim. Since the game is currently free, this means zero monetary liability.
13. Platform-Specific Terms 13.1 Steam When playing via Steam, you are also subject to the Steam Subscriber Agreement.
13.2 Mobile Platforms (Coming Soon) When available, mobile versions will also be subject to:
Android: Google Play Terms of Service
iOS: Apple App Store Terms and Conditions
14. Dispute Resolution 14.1 Contact First If you have a dispute, please contact us first at [email protected]. We commit to resolving issues in good faith.
14.2 Informal Resolution Most disputes can be resolved through customer support. We aim to respond within 7 business days.
14.3 Governing Law These Terms are governed by the laws of Estonia. Any disputes arising from or related to these Terms shall be resolved in accordance with Estonian law. Note: The choice of Estonian jurisdiction is standard practice for international software services and ensures clear legal framework for all users worldwide.
15. Changes to These Terms We may update these Terms at any time. Significant changes will be announced via:
In-game notification when you next log in
Email notification (if you provided an email)
Discord announcement
Website banner Continued use of the Game after changes constitutes acceptance of the updated Terms. If you do not agree, you must stop using the Game.
16. Contact Information For questions, support, or legal inquiries: RoboForgeStudios Individual Entrepreneur registered in Kazakhstan Legal & Compliance: [email protected] General Support: [email protected] Discord Community: discord.gg/TZTp4XC4 Website: 4chess.org
QuadKings Development Team RoboForgeStudios
17. Severability If any provision of these Terms is found to be unenforceable or invalid by a court of competent jurisdiction, that provision shall be limited or eliminated to the minimum extent necessary, and the remaining provisions shall remain in full force and effect.
18. Entire Agreement These Terms, together with our Privacy Policy, constitute the entire agreement between you and RoboForgeStudios regarding the Game and supersede all prior agreements.
✅ Acknowledgment By creating an account and playing QuadKings: Fog of Checkmate, you acknowledge that you have:
Read and understood these Terms of Service
Read and understood our Privacy Policy
Agreed to be bound by both documents
Confirmed you meet the minimum age requirement
Agreed to fair play and respectful behavior
Privacy Policy
Last updated: November 18, 2024
1. Introduction Welcome to QuadKings: Fog of Checkmate ("we," "our," or "us"), developed by RoboForgeStudios. We are committed to protecting your privacy and personal data. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you play our four-player simultaneous chess game (the "Game") via Steam, mobile applications, web browser, or other platforms. RoboForgeStudios is an Individual Entrepreneur registered in Kazakhstan. We operate globally and are committed to protecting user privacy in accordance with international standards, including GDPR. By using QuadKings, you agree to the collection and use of information in accordance with this policy.
2. Information We Collect 2.1 Account Information When you create an account, we collect:
Username or display name
Email address (if provided)
Password (encrypted and hashed)
Steam ID (if playing via Steam)
Profile picture (optional)
Country/region (optional)
2.2 Game Data During gameplay, we collect:
Game moves and match history - All moves made during matches
Match recordings - Complete game replays for history review (similar to Lichess)
Player rankings and ratings - FIDE-based 4-player rating system
Game statistics - Win/loss ratio, average game time, performance metrics
In-game achievements and titles - Beginner, Amateur, Expert, Master, Grandmaster
Fog of war visibility data - What areas you could see during matches
2.3 Communication Data
In-game chat messages - Text chat, emojis (smile, reactions), and quick messages
Chat settings - Your preferences (on/off/full mode)
Support tickets - Customer service communications
Community interactions - Forum posts, Discord messages (on our server) Note: We do not record voice or video. Only text-based communication is stored.
2.4 Technical Information We automatically collect:
IP address and device identifiers (for security and matchmaking)
Browser type and version (for web version)
Operating system and platform (Windows, Android, iOS, Web)
Connection quality and latency data (for optimal matchmaking)
Crash reports and error logs (to improve stability)
Hardware specifications (for performance optimization)
3. How We Use Your Information We use your information to:
Provide and maintain the Game services across all platforms (Steam, Android, iOS, Web)
Facilitate matchmaking between players based on rating and connection quality
Calculate and display player rankings and leaderboards (FIDE-based 4-player system)
Enable fog of war mechanics and real-time multiplayer synchronization
Store and provide access to match replays and game history
Moderate in-game chat and prevent abuse
Prevent cheating, hacking, and unauthorized access
Analyze game balance and improve gameplay mechanics
Send important game updates, patch notes, and security notifications
Provide customer support and respond to inquiries
Improve user experience and fix bugs
Comply with legal obligations and enforce our Terms of Service
4. Data Sharing and Disclosure 4.1 Public Information The following information is publicly visible to all players:
Username and profile picture
Player rating, rank, and title (e.g., "Grandmaster")
Match history and game statistics (wins, losses, draws)
Achievements and titles earned
Leaderboard position (global and regional)
Game replays (if you choose to share them) Important: Do not use personally identifiable information (real name, address, etc.) as your username, as it will be publicly visible.
4.2 Third-Party Services We may share limited data with trusted third-party service providers:
Hosting providers (e.g., Render.com, Fly.io, Cloudflare) - For server infrastructure
Steam Platform - If you play via Steam (subject to Steam Privacy Policy)
Google Play / App Store - For mobile versions (when available)
Analytics services - Aggregated usage statistics only (no personal data)
Anti-cheat services - To detect and prevent cheating We do not sell your personal data to third parties.
4.3 Legal Requirements We may disclose your information if required by law, court order, government request, or to protect our rights, property, or safety of our users and prevent fraud or abuse.
5. Data Storage and Security 5.1 Where We Store Data Your data is stored on secure cloud servers. Data may be processed and stored in various locations to provide optimal performance and availability.
5.2 Security Measures We implement industry-standard security measures including:
SSL/TLS encryption for all data transmission (HTTPS)
Encrypted password storage (bcrypt/argon2 hashing)
Regular security audits and vulnerability scanning
Access controls and multi-factor authentication for staff
Automated backup systems with encryption
DDoS protection and firewall systems
5.3 Data Retention We retain your data for the following periods:
Account data: Until you delete your account + 30 days
Match history and replays: Indefinitely (or until you request deletion)
Chat messages: 90 days (for moderation purposes)
Technical logs: 30 days
Banned accounts: Permanent records for anti-cheat purposes Security Notice: While we use industry-standard security measures, no method of transmission over the internet is 100% secure. We cannot guarantee absolute security.
6. Your Rights (GDPR & Privacy Rights) Depending on your location, you may have the following rights:
Right to Access: Request a copy of all your personal data we hold
Right to Rectification: Update or correct inaccurate information
Right to Erasure ("Right to be Forgotten"): Request deletion of your account and associated data
Right to Data Portability: Export your game data, match history, and statistics in a machine-readable format
Right to Object: Opt-out of certain data processing activities
Right to Restrict Processing: Limit how we use your data
Right to Withdraw Consent: Revoke previously given permissions at any time
How to Exercise Your Rights: Contact us at: [email protected] We will respond to your request within 30 days (as required by GDPR).
7. Children's Privacy (COPPA & Age Requirements) The Game is rated for general audiences but requires online interaction. We comply with children's privacy laws:
Minimum age: 13 years old (USA - COPPA requirement)
EU users: 16 years old (or age of digital consent in your country)
Parental consent: Required for users under the minimum age We do not knowingly collect personal information from children under the applicable age. If you believe a child has provided us with personal data without parental consent, please contact us immediately at [email protected]. For Parents: You can request deletion of your child's account and data at any time.
8. Cookies and Tracking Technologies We use cookies and similar technologies:
Essential Cookies (Required):
Authentication tokens - Keep you logged in
Session management - Maintain your game state
Security cookies - Prevent CSRF attacks
Functional Cookies (Optional):
Language preference - Remember your selected language
Game settings - Board theme, sound preferences, etc.
Chat preferences - Remember on/off/full mode selection
Analytics Cookies (Optional):
Usage analytics - Understand how players use the game (aggregated data only)
Performance monitoring - Track loading times and errors You can control cookies through your browser settings. Disabling essential cookies may prevent the Game from functioning properly.
9. International Data Transfers QuadKings is a global game. Your data may be transferred to and processed in countries other than your country of residence, including:
United States (server infrastructure)
European Union (GDPR-compliant hosting)
Other regions as necessary for optimal performance We ensure that any international data transfers comply with applicable laws, including GDPR Standard Contractual Clauses and adequacy decisions.
10. Match Replays and Public Game Data Similar to Lichess.org: All matches are recorded and can be replayed by any player who participated.
Match replays are stored indefinitely and can be viewed in your match history
Game moves are public to all players in the match
Replay sharing: You can share replay links with others
Public leaderboards: Your username, rating, and rank are publicly visible Note: If you want replays of your matches deleted, contact us. However, other players in those matches may still have access to their copy of the replay.
11. Chat and Communication Moderation To maintain a safe and respectful community, we:
Store chat messages for up to 90 days for moderation purposes
Use automated systems to detect offensive language and abuse
Human moderators may review reported chat messages
Violating our Code of Conduct may result in chat restrictions or bans Chat modes available: On (full chat), Off (disabled), Emojis only (smile/reactions)
12. Changes to This Policy We may update this Privacy Policy from time to time to reflect changes in our practices, technology, legal requirements, or other factors. We will notify you of significant changes via:
Email notification (if you provided an email)
In-game notification when you next log in
Announcement on our website and Discord server Continued use of the Game after changes constitutes acceptance of the updated policy.
13. Contact Us If you have questions, concerns, or requests regarding this Privacy Policy: RoboForgeStudios Individual Entrepreneur registered in Kazakhstan Privacy Officer: [email protected] General Support: [email protected] Discord Community: discord.gg/TZTp4XC4 We aim to respond to all privacy inquiries within 30 days.
Legal Basis for Processing (GDPR Article 6) For EU users, we process your data based on:
✅ Contract performance: To provide the Game service you signed up for
✅ Legitimate interests: To improve the Game, prevent fraud, and ensure security
✅ Consent: For optional features like analytics (you can withdraw anytime)
✅ Legal obligations: To comply with applicable laws and regulations

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