Chess Puzzle #F5wKO — Intermediate, White to move, endgame

Position

White: king h4; pawns b3/e5/f4. Black: king c4; pawns a7/f5/f7. Material is balanced. White to move.

Solution (6 moves)

1. Opponent setup: Kxb3 — king c4→b3, captures pawn. Now White to move.
2. Best move: Kg5 — king h4→g5. Opponent replies a5 (pawn a7→a5).
3. Best move: Kf6 — king g5→f6. Opponent replies a4 (pawn a5→a4).
4. Best move: Kxf7 — king f6→f7, captures pawn. Opponent replies a3 (pawn a4→a3).
5. Best move: e6 — pawn e5→e6. Opponent replies a2 (pawn a3→a2).
6. Best move: e7 — pawn e6→e7. Opponent replies a1=Q (pawn a2→a1, promotes to queen).
7. Best move: e8=Q — pawn e7→e8, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, pawn endgame, promotion, very long. The key move is Kg5.

Position data

FEN: 8/p4p2/8/4Pp2/2k2P1K/1P6/8/8 b - - 0 37

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