Thinking & Calculation

What is a Mistake in chess?

  • Error
  • Plan
  • Correction

A move that clearly worsens the position but usually does not lose the game instantly.

Mistake FAQ

What is a mistake in chess?

A move that clearly worsens the position but usually does not lose the game instantly.

How do you get better at using a mistake?

Mistakes are often wrong plans, not just one bad move. Identify the plan you should have chosen.

Train this pattern on your own games

Reading a definition is not the same as spotting the pattern with a clock running. Chessiro's free game review runs Stockfish 18 over every move you play, names the concept behind each mistake, and turns the positions where it cost you into training puzzles. You can also see the idea in action in the classic games collection, where the greatest players in history demonstrate it.

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Free game review

See where mistake decides your games

Chessiro reviews your games with an AI coach that names the concept behind every mistake, then drills you on the exact positions where it happened until you stop repeating them.