Chess Puzzle #FuTko — Master, White to move, middlegame

Position

White: king h5; pawns a4/b2/c3/e3/e5/f4. Black: king g7; pawns a5/c4/c5/d5/e6/f7. Material is balanced. White to move.

Solution (4 moves)

1. Opponent setup: Kh7 — king g7→h7. Now White to move.
2. Best move: f5 — pawn f4→f5. Opponent replies exf5 (pawn e6→f5, captures pawn).
3. Best move: Kg5 — king h5→g5. Opponent replies f4 (pawn f5→f4).
4. Best move: Kxf4 — king g5→f4, captures pawn. Opponent replies Kg6 (king h7→g6).
5. Best move: Kg4 — king f4→g4.

Tactical themes

crushing, defensive move, endgame, pawn endgame, very long, zugzwang. The key move is f5.

Position data

FEN: 8/5pk1/4p3/p1ppP2K/P1p2P2/2P1P3/1P6/8 b - - 2 41

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