Chess Puzzle #AIPZM — Expert, White to move, middlegame

Position

White: king g1; queen d1; rooks b3/f1; bishop d3; pawns a3/d6/f2/g2/h3. Black: king g8; queen a5; rooks a8/f8; bishop d7; pawns a6/d5/e6/f7/g7/h7. Black is ahead by 1 point of material. White to move.

Solution (4 moves)

1. Opponent setup: Rab8 — rook a8→b8. Now White to move.
2. Best move: Bxh7+ — bishop d3→h7, captures pawn, gives check. Opponent replies Kxh7 (king g8→h7, captures bishop).
3. Best move: Qb1+ — queen d1→b1, gives check. Opponent replies f5 (pawn f7→f5).
4. Best move: Rxb8 — rook b3→b8, captures rook. Opponent replies Rxb8 (rook f8→b8, captures rook).
5. Best move: Qxb8 — queen b1→b8, captures rook.

Tactical themes

advantage, attraction, middlegame, sacrifice, very long. The key move Bxh7+ captures with check, forcing a response.

Position data

FEN: r4rk1/3b1ppp/p2Pp3/q2p4/8/PR1B3P/5PP1/3Q1RK1 b - - 0 23

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