Chess Puzzle #tAQs9 — Expert, Black to move, endgame

Position

White: king c3; pawns a4/f3/g3/h3. Black: king c5; pawns a5/f5/f6/h5. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: g4 — pawn g3→g4. Now Black to move.
2. Best move: fxg4 — pawn f5→g4, captures pawn. Opponent replies fxg4 (pawn f3→g4, captures pawn).
3. Best move: h4 — pawn h5→h4. Opponent replies Kd3 (king c3→d3).
4. Best move: Kb4 — king c5→b4. Opponent replies g5 (pawn g4→g5).
5. Best move: fxg5 — pawn f6→g5, captures pawn.

Tactical themes

crushing, endgame, pawn endgame, quiet move, very long, zugzwang. The key move fxg4 wins material.

Position data

FEN: 8/8/5p2/p1k2p1p/P7/2K2PPP/8/8 w - - 0 40

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