Chess Puzzle #qR5r4 — Expert, White to move, endgame

Position

White: king b2; pawns f3/g4. Black: king e6; pawns a2/d5. Material is balanced. White to move.

Solution (3 moves)

1. Opponent setup: a1=Q+ — pawn a2→a1, promotes to queen, gives check. Now White to move.
2. Best move: Kxa1 — king b2→a1, captures queen. Opponent replies Ke5 (king e6→e5).
3. Best move: g5 — pawn g4→g5. Opponent replies Kf5 (king e5→f5).
4. Best move: f4 — pawn f3→f4.

Tactical themes

crushing, defensive move, endgame, hanging piece, long, quiet move. The key move Kxa1 wins material.

Position data

FEN: 8/8/4k3/3p4/6P1/5P2/pK6/8 b - - 1 47

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