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

Position

White: king g1; queen f3; rooks a1/e1; bishop d6; pawns a2/b2/c4/d3/g3/h2. Black: king g8; queen g7; rooks a8/f8; bishop c8; knight e4; pawns a5/b7/d4/f7/g6/h7. Black is ahead by 3 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Bxf8 — bishop d6→f8, captures rook. Now Black to move.
2. Best move: Ng5 — knight e4→g5. Opponent replies Qd5 (queen f3→d5).
3. Best move: Nh3+ — knight g5→h3, gives check. Opponent replies Kg2 (king g1→g2).
4. Best move: Qxf8 — queen g7→f8, captures bishop.

Tactical themes

advantage, long, middlegame. The key move is Ng5.

Position data

FEN: r1b2rk1/1p3pqp/3B2p1/p7/2Ppn3/3P1QP1/PP5P/R3R1K1 w - - 0 21

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