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

Position

White: king g1; queen f3; rooks a1/e1; bishops a3/b3; knight h5; pawns b4/f2/f5/g2/h2. Black: king f8; queen e7; rooks b8/h8; bishop b6; knight d4; pawns b7/e5/f6/g5/h6. White is ahead by 3 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: b5 — pawn b4→b5. Now Black to move.
2. Best move: Nxf3+ — knight d4→f3, captures queen, gives check. Opponent replies gxf3 (pawn g2→f3, captures knight).
3. Best move: Bc5 — bishop b6→c5. Opponent replies Bxc5 (bishop a3→c5, captures bishop).
4. Best move: Qxc5 — queen e7→c5, captures bishop.

Tactical themes

equality, long, middlegame. The key move Nxf3+ captures with check, forcing a response.

Position data

FEN: 1r3k1r/1p2q3/1b3p1p/4pPpN/1P1n4/BB3Q2/5PPP/R3R1K1 w - - 1 28

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