Every position here is a real decision from a real grandmaster game in the Caro Kann Defense, taken at the ply where the game actually turned and checked against the engine before it reached you.
1,320 positions · 309 grandmasters · 67% of players find the move
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Each one is a game somebody actually played. Pick any of them.
We read the games grandmasters actually play and look for the ply where the game turned, rather than composing puzzles. The engine checks the answer before it reaches you, and the positions are ranked by how much they teach rather than how hard they are.
Every opening