Chess Puzzle #G6RKr — Intermediate, White to move, endgame

Position

White: king e4; pawn f3. Black: king f2; pawn b5. Material is balanced. White to move.

Solution (4 moves)

1. Opponent setup: b4 — pawn b5→b4. Now White to move.
2. Best move: f4 — pawn f3→f4. Opponent replies b3 (pawn b4→b3).
3. Best move: Kd3 — king e4→d3. Opponent replies b2 (pawn b3→b2).
4. Best move: Kc2 — king d3→c2. Opponent replies b1=Q+ (pawn b2→b1, promotes to queen, gives check).
5. Best move: Kxb1 — king c2→b1, captures queen.

Tactical themes

crushing, endgame, pawn endgame, quiet move, very long. The key move is f4.

Position data

FEN: 8/8/8/1p6/4K3/5P2/5k2/8 b - - 1 62

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