Chess Puzzle #uoEgf — Expert, Black to move, endgame

Rating 2318 · Expert · endgame, long, mate, mate in 3, queen endgame, X-ray attack.

Position

White: king g2; queen b6; pawns b5/d4/f3/g3/h2. Black: king g6; queen e2; pawns c6/d5/f5. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

  1. Opponent setup: Kh3 — king g2→h3. Now Black to move.
  2. Best move: Kh5 — king g6→h5. Opponent replies g4+ (pawn g3→g4, gives check).
  3. Best move: fxg4+ — pawn f5→g4, captures pawn, gives check. Opponent replies fxg4+ (pawn f3→g4, captures pawn, gives check).
  4. Best move: Qxg4# — queen e2→g4, captures pawn, delivers checkmate.

Tactical themes

endgame, long, mate, mate in 3, queen endgame, X-ray attack. The combination ends with Qxg4# delivering checkmate.

Position data

FEN: 8/8/1Qp3k1/1P1p1p2/3P4/5PP1/4q1KP/8 w - - 1 43

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Puzzle data from the Lichess puzzle database (CC0). Analysis powered by Stockfish 18 in your browser.