Chess Puzzle #OnIBn — Expert, Black to move, middlegame

Position

White: king d3; pawns a3/b3/e5/g4/h4. Black: king b5; pawns a5/c5/d5/e6/f5/g7. Black is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: gxf5 — pawn g4→f5, captures pawn. Now Black to move.
2. Best move: exf5 — pawn e6→f5, captures pawn. Opponent replies b4 (pawn b3→b4).
3. Best move: cxb4 — pawn c5→b4, captures pawn. Opponent replies e6 (pawn e5→e6).
4. Best move: Kc6 — king b5→c6. Opponent replies e7 (pawn e6→e7).
5. Best move: Kd7 — king c6→d7.

Tactical themes

crushing, endgame, pawn endgame, very long. The key move exf5 wins material.

Position data

FEN: 8/6p1/4p3/pkppPp2/6PP/PP1K4/8/8 w - - 0 38

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