Chess Puzzle #IgZaU — Expert, Black to move, middlegame

Position

White: king g1; queen d3; bishops b2/g2; knights e4/g3; pawns a2/b3/c3/h2. Black: king g8; queen g4; rook f1; bishop h6; knights d5/e7; pawns a7/b6/c5/e5/g6/h7. Black is ahead by 4 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Nxf1 — knight g3→f1, captures rook. Now Black to move.
2. Best move: Qxg2+ — queen g4→g2, captures bishop, gives check. Opponent replies Kxg2 (king g1→g2, captures queen).
3. Best move: Nf4+ — knight d5→f4, gives check. Opponent replies Kf3 (king g2→f3).
4. Best move: Nxd3 — knight f4→d3, captures queen.

Tactical themes

advantage, attraction, fork, long, middlegame, sacrifice. The key move Qxg2+ captures with check, forcing a response.

Position data

FEN: 6k1/p3n2p/1p4pb/2pnp3/4N1q1/1PPQ2N1/PB4BP/5rK1 w - - 0 27

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