Chess Puzzle #4YQrO — Advanced, White to move, middlegame

Position

White: king g1; queen a4; rook d1; bishop c6; pawns b5/f2/g2/h3. Black: king g8; queen d6; rook d8; bishop d4; pawns a7/b6/f7/g6/h7. Black is ahead by 1 point of material. White to move.

Solution (4 moves)

1. Opponent setup: a6 — pawn a7→a6. Now White to move.
2. Best move: bxa6 — pawn b5→a6, captures pawn. Opponent replies Bxf2+ (bishop d4→f2, captures pawn, gives check).
3. Best move: Kxf2 — king g1→f2, captures bishop. Opponent replies Qxd1 (queen d6→d1, captures rook).
4. Best move: Qxd1 — queen a4→d1, captures queen. Opponent replies Rxd1 (rook d8→d1, captures queen).
5. Best move: a7 — pawn a6→a7.

Tactical themes

advanced pawn, advantage, endgame, sacrifice, very long. The key move bxa6 wins material.

Position data

FEN: 3r2k1/p4p1p/1pBq2p1/1P6/Q2b4/7P/5PP1/3R2K1 b - - 1 34

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