Built for chess lovers, from absolute beginners to club players.
📖113 Openings Library
Sicilian, Ruy López, Italian, French, Caro-Kann, King's Indian and 107 more — every classic, sortable by ECO code, attack/defense, or opening move.
⚔️Play vs Strong AI
In-house bot, 8 preset levels. Tune its time, depth, blunder rate and suboptimal-move rate. Continue any opening into a real game.
🎯Daily Quiz
Find the next book move. Build streaks, beat your high score, and burn the theory into muscle memory.
🧠Practice Mode
Step through each line move by move with auto-play, threat hints and inaccuracy detection. Learn by playing — take over against the bot mid-opening, with White or Black.
🔍Game Analysis
Review your games move-by-move. Spot blunders, find brilliancies, and understand why a move worked.
👥2-Player Local
Hand the phone over. Castling, en passant, promotion choice, all draw rules — full FIDE legal play.