Chess Puzzle #CmIwZ — Advanced, Black to move, middlegame

Position

White: king g1; queen c1; rook d4; bishop b7; pawns a3/b4/f2/g2/h3. Black: king g8; queen g6; rook e8; knight f5; pawns a6/f7/g7/h6. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: Be4 — bishop b7→e4. Now Black to move.
2. Best move: Nxd4 — knight f5→d4, captures rook. Opponent replies Bxg6 (bishop e4→g6, captures queen).
3. Best move: Ne2+ — knight d4→e2, gives check. Opponent replies Kf1 (king g1→f1).
4. Best move: Nxc1 — knight e2→c1, captures queen.

Tactical themes

crushing, endgame, fork, long, sacrifice. The key move Nxd4 wins material.

Position data

FEN: 4r1k1/1B3pp1/p5qp/5n2/1P1R4/P6P/5PP1/2Q3K1 w - - 1 27

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