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

Position

White: king c4; pawns a3/b2/c2/e4/f4/h2. Black: king d6; pawns a7/c5/c6/f6/g7/h6. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: h4 — pawn h2→h4. Now Black to move.
2. Best move: g5 — pawn g7→g5. Opponent replies hxg5 (pawn h4→g5, captures pawn).
3. Best move: hxg5 — pawn h6→g5, captures pawn. Opponent replies e5+ (pawn e4→e5, gives check).
4. Best move: Ke6 — king d6→e6. Opponent replies fxg5 (pawn f4→g5, captures pawn).
5. Best move: fxg5 — pawn f6→g5, captures pawn.

Tactical themes

crushing, endgame, pawn endgame, very long. The key move is g5.

Position data

FEN: 8/p5p1/2pk1p1p/2p5/2K1PP2/P7/1PP4P/8 w - - 4 31

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