Chess Puzzle #I7mhx — Advanced, White to move, middlegame

Position

White: king f4; pawns a3/b2/c3/d4/g4/h4. Black: king f6; pawns a6/b7/d5/e6/g6/h6. Material is balanced. White to move.

Solution (5 moves)

1. Opponent setup: b5 — pawn b7→b5. Now White to move.
2. Best move: g5+ — pawn g4→g5, gives check. Opponent replies hxg5+ (pawn h6→g5, captures pawn, gives check).
3. Best move: hxg5+ — pawn h4→g5, captures pawn, gives check. Opponent replies Ke7 (king f6→e7).
4. Best move: Ke5 — king f4→e5. Opponent replies a5 (pawn a6→a5).
5. Best move: b3 — pawn b2→b3. Opponent replies Kd7 (king e7→d7).
6. Best move: Kf6 — king e5→f6.

Tactical themes

crushing, endgame, pawn endgame, quiet move, very long. The key move hxg5+ captures with check, forcing a response.

Position data

FEN: 8/1p6/p3pkpp/3p4/3P1KPP/P1P5/1P6/8 b - - 0 31

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