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

Position

White: king g1; queen f1; pawns a3/b4/c5/d6/f2/g3. Black: king h7; queen e1; rook g7; pawns a6/h6. Black is ahead by 1 point of material. White to move.

Solution (4 moves)

1. Opponent setup: Qxf1+ — queen e1→f1, captures queen, gives check. Now White to move.
2. Best move: Kxf1 — king g1→f1, captures queen. Opponent replies Rd7 (rook g7→d7).
3. Best move: a4 — pawn a3→a4. Opponent replies Kg7 (king h7→g7).
4. Best move: b5 — pawn b4→b5. Opponent replies axb5 (pawn a6→b5, captures pawn).
5. Best move: axb5 — pawn a4→b5, captures pawn.

Tactical themes

crushing, endgame, quiet move, very long. The key move Kxf1 wins material.

Position data

FEN: 8/6rk/p2P3p/2P5/1P6/P5P1/5P2/4qQK1 b - - 0 45

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