Chess Puzzle #AvD9f — Expert, White to move, middlegame

Position

White: king g1; queen h5; rook a1; bishops d2/d3; pawns a2/b2/c2/d4/e5/g2/h3. Black: king g8; queen f8; rook a8; bishops d7/e7; knight d5; pawns a7/b5/c6/e6/g7/h6. Black is ahead by 2 points of material. White to move.

Solution (4 moves)

1. Opponent setup: Nf4 — knight d5→f4. Now White to move.
2. Best move: Bxf4 — bishop d2→f4, captures knight. Opponent replies Qxf4 (queen f8→f4, captures bishop).
3. Best move: Qg6 — queen h5→g6. Opponent replies Qxd4+ (queen f4→d4, captures pawn, gives check).
4. Best move: Kh1 — king g1→h1. Opponent replies Qxe5 (queen d4→e5, captures pawn).
5. Best move: Qh7+ — queen g6→h7, gives check.

Tactical themes

advantage, middlegame, sacrifice, very long. The key move Bxf4 wins material.

Position data

FEN: r4qk1/p2bb1p1/2p1p2p/1p1nP2Q/3P4/3B3P/PPPB2P1/R5K1 b - - 1 17

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