Master chess through legendary games by replaying iconic positions and testing your calculation against the engine
Free NFL playoff bracket maker, predictor, and Super Bowl squares tool
Stage
Startup
Not given
Founded
2026
Not given
Based in
Not given
Not given
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.
Not given
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
Make playoff picks by clicking teams to choose winners
Rename any seed in the bracket
Share brackets via URL without accounts
Printable NFL playoff brackets
Super Bowl squares grid for pools
Playoff picture with current standings and seeds
Playoff scenarios page for what-if testing
Friends playoff pool with leaderboard scoring
Load current seeds from public standings
Reset to chalk to restore starting seeds
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
Completely free with no accounts, paywalls, or clutter
Fan-made project built specifically for clean, printable brackets
No login required; brackets stay in shared links
Seeds load from current public standings automatically
Privacy-respecting with no personal data collection
ReplayChess