Free chess game analysis and personalized training built from your own games
Fact-checked game wiki with stats, calculators and tools
Stage
Startup
Startup
Founded
2026
2026
Based in
Not given
Not given
Pricing model
Freemium
Free
Pricing
Free plan includes game reviews (150 per day limit), puzzle practice, Blunder Preventer, one free session weekly of each premium trainer, 2 repertoires up to 10 lines each, and one scouting report monthly. Premium costs $2 per month, $12 every 6 months, or $20 per year, unlocking unlimited access to
Not given
Key features
Move-by-move Stockfish analysis of Chess.com and Lichess games
Blunder Preventer trainer to spot tactical mistakes
Opening Improver with opening encyclopedia and repertoire trainer
Time Trainer for practicing under time pressure
Visualization module for calculating forcing lines
Resourcefulness training for difficult positions
Scouting report showing skill breakdown and training recommendations
Analysis board with Stockfish 19 running in browser
Daily chess puzzles
Interactive IV calculators for stat calculation
Game save file decoder and loader
Breeding calculators and odds
Damage formula research and verification
In-game maps with exact item positions
Automatic data verification on updates
Patch-by-patch change tracking
Open-source decoder tools
What makes it different
Personalized training built specifically from patterns in your own games rather than generic material
Recurring mistake detection that turns common errors into focused training modules
Free game analysis without sign-up for casual users
Integration with Chess.com and Lichess accounts for automatic game import
Affordable premium pricing starting at $2 per month
Fact-checked stats verified against game code and saves
ChessVox
Lore Armory