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

Position

White: king g1; queen d2; rook e1; bishop b7; knight c4; pawns a3/b2/c2/d3/f2/g3/h3. Black: king g7; queen f6; rook c8; knights d4/f5; pawns a7/c5/f7/g5/h6. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Bxc8 — bishop b7→c8, captures rook. Now Black to move.
2. Best move: Nf3+ — knight d4→f3, gives check. Opponent replies Kg2 (king g1→g2).
3. Best move: Nxd2 — knight f3→d2, captures queen. Opponent replies Bxf5 (bishop c8→f5, captures knight).
4. Best move: Nxc4 — knight d2→c4, captures knight.

Tactical themes

advantage, fork, long, middlegame. The key move is Nf3+.

Position data

FEN: 2r5/pB3pk1/5q1p/2p2np1/2Nn4/P2P2PP/1PPQ1P2/4R1K1 w - - 1 26

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