Master chess through legendary games by replaying iconic positions and testing your calculation against the engine
Explore Flags, Challenge Yourself, Learn Without Limits
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
6 attempts to identify the correct region
Distance feedback in kilometers
Accuracy percentage after each guess
Unlimited practice mode with random puzzles
Progress tracking dashboard with statistics
Personal wins and winning streak tracking
Browser local storage persistence
Social sharing integration
Global leaderboard comparison
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
Unlimited practice rounds unlike daily-only alternatives
Immediate retry of failed challenges
Three types of directional feedback per guess
Educational resources about flag history and significance
ReplayChess
Flagle Explorer