Find the crosses hidden in the colours — and unbuild them in reverse.
Master chess through legendary games by replaying iconic positions and testing your calculation against the engine
Stage
Not given
Startup
Founded
Not given
2026
Based in
Not given
Not given
Pricing model
Freemium
Freemium
Pricing
Free with ads; premium one-time purchase removes advertising and unlocks larger boards.
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.
Key features
Reverse-order puzzle solving with visual stack unwinding
Budget-based scoring system with vessel metaphor
Two-tap control interface with visual feedback
Difficulty selection with variable cross counts
Musical scale progression during gameplay
Hint system with cross visualization
Six language interface support
Interactive help tour
Adjustable board size for varied challenge
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
What makes it different
Plays the game's deal sequence backwards as sound when solving
One-time purchase with no subscriptions or additional in-app purchases
Score system uses visual vessel metaphor instead of climbing counter
Clean minimalist UI with readable typography and strong UX
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
ReplayChess