Chess Puzzle #Sn6CI — Expert, White to move, middlegame

Position

White: king g1; queen f3; rook a1; bishops d3/g7; pawns a2/b2/d4/f2/g2/h3. Black: king g8; queen e8; rook c7; bishop b4; knights d5/d7; pawns a7/f5/f7/h7. Black is ahead by 1 point of material. White to move.

Solution (3 moves)

1. Opponent setup: N7f6 — knight d7→f6. Now White to move.
2. Best move: Bxf6 — bishop g7→f6, captures knight. Opponent replies Nxf6 (knight d5→f6, captures bishop).
3. Best move: Qg3+ — queen f3→g3, gives check. Opponent replies Kf8 (king g8→f8).
4. Best move: Qxc7 — queen g3→c7, captures rook.

Tactical themes

advantage, fork, long, middlegame. The key move Bxf6 wins material.

Position data

FEN: 4q1k1/p1rn1pBp/8/3n1p2/1b1P4/3B1Q1P/PP3PP1/R5K1 b - - 0 20

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