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How to play

  1. Five boards, one move each. Tap Ready to reveal a position, then make the best move you can in 30 seconds.
  2. Every move is graded by a chess engine: Best 100, Excellent 85, Good 65, Inaccuracy 35, Mistake 10, Blunder 0.
  3. Be quick: Good moves or better earn up to +20 extra for speed. Run out of time and the board scores 0.

Tap or drag to move. Leaving mid-board counts as running out of time. A new Rookie Knight every day at midnight.

Positions come from real games in the Lichess open database.