Train
Everything built to fix a specific weakness — pick one and go.
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Start →Puzzles
Positions pulled from your own mistakes — find the move Stockfish would play.
🎯
Start →Prophylaxis Trainer
"What's the threat?" — spot and stop the opponent's plan instead of finding a tactic.
📖
Start →Openings
Explore and drill opening theory, move by move.
🧭
Start →Opening Weak Points
Positions from your own games you've reached — and misplayed — more than once.
♚
Start →Endgame Trainer
The essential checkmates and technical endgames every player needs cold.
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Start →Pattern DNA
Track which tactical motifs you've truly mastered vs. just seen once.
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Start →Blindfold Ladder
Train the visualization behind deep calculation — not tactic-spotting.