Chess Puzzle #mGwlC — Advanced, White to move, middlegame

Position

White: king g1; queen h6; rooks a1/f1; bishop c4; knights d5/f3; pawns a3/b2/c2/d3/e4/g2/h2. Black: king g8; queen d8; rooks a8/f8; bishops e6/e7; knights c6/h7; pawns a6/b7/c7/d6/f7. Black is ahead by 1 point of material. White to move.

Solution (3 moves)

1. Opponent setup: Bg5 — bishop e7→g5. Now White to move.
2. Best move: Nxg5 — knight f3→g5, captures bishop. Opponent replies Qxg5 (queen d8→g5, captures knight).
3. Best move: Nf6+ — knight d5→f6, gives check. Opponent replies Qxf6 (queen g5→f6, captures knight).
4. Best move: Rxf6 — rook f1→f6, captures queen.

Tactical themes

crushing, kingside attack, long, middlegame. The key move Nxg5 wins material.

Position data

FEN: r2q1rk1/1pp1bp1n/p1npb2Q/3N4/2B1P3/P2P1N2/1PP3PP/R4RK1 b - - 2 13

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