Chess Puzzle #90YXb — Expert, White to move, middlegame

Position

White: king e1; queen d1; rooks a1/h1; bishop f3; knight b1; pawns a2/b2/d5/f2/g2/h2. Black: king e8; queen d8; rooks a8/h8; bishop f8; knight c6; pawns a7/b7/c4/f6/f7/g7/h7. Black is ahead by 1 point of material. White to move.

Solution (3 moves)

1. Opponent setup: Bb4+ — bishop f8→b4, gives check. Now White to move.
2. Best move: Kf1 — king e1→f1. Opponent replies Ne5 (knight c6→e5).
3. Best move: Qa4+ — queen d1→a4, gives check. Opponent replies Qd7 (queen d8→d7).
4. Best move: Qxb4 — queen a4→b4, captures bishop.

Tactical themes

advantage, defensive move, fork, long, middlegame. The key move is Kf1.

Position data

FEN: r2qkb1r/pp3ppp/2n2p2/3P4/2p5/5B2/PP3PPP/RN1QK2R b KQkq - 0 10

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