Master chess through legendary games by replaying iconic positions and testing your calculation against the engine
Free web game portal for developers to publish games with cloud saves, leaderboards and player data
Stage
Startup
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Founded
2026
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Based in
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Pricing model
Freemium
Free
Pricing
Player plan: $4.99 per month or $50 per year. Yearly billing saves 16% and works out to $4.17 a month. Includes unlimited positions, record and export, 1080p quality, and basic AI analysis. 30-day money-back guarantee.
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Key features
Replay iconic chess positions from legendary games
Test calculation against AI engine
Challenge friends with shareable links
Compare continuation against best engine line
Game recording and export
Basic AI analysis
1080p quality output
Play against engine from any position
Curated library of historic positions
Free position challenges without account
Cloud saves that sync across devices for signed-in players
Leaderboards and scoring system
Player analytics with event tracking
SDK for authentication and player data access
Flash game support with Ruffle emulator
CLI tool for automated game publishing
Deploy keys for CI/CD integration
Sandboxed game frames for security
Fullscreen and pointer lock support
Build review process before publishing
What makes it different
Play from the exact moment of legendary games, not just study them
Designed for pausing chess videos to calculate positions
Step into the shoes of chess legends at critical game moments
Compare your moves directly against engine analysis
Built by an indie hacker solving a personal chess problem
Free hosting and publishing for web games with no revenue split
Built-in cross-device cloud save synchronization for players
SDK works anywhere with graceful fallbacks for offline play
Support for legacy Flash games through Ruffle emulator
ReplayChess
Saola Games