Chess Puzzle #DBBd9 — Advanced, Black to move, middlegame

Position

White: king g1; queen a4; rooks a1/f1; bishop c1; knight e5; pawns a2/b2/c3/d3/f2/g2/h2. Black: king g8; queen d8; rooks b8/f8; bishop e7; knight a5; pawns a7/b7/d5/f7/g7/h6. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: Nd7 — knight e5→d7. Now Black to move.
2. Best move: b5 — pawn b7→b5. Opponent replies Qg4 (queen a4→g4).
3. Best move: f5 — pawn f7→f5. Opponent replies Qg3 (queen g4→g3).
4. Best move: Qxd7 — queen d8→d7, captures knight.

Tactical themes

advantage, interference, long, middlegame. The key move is b5.

Position data

FEN: 1r1q1rk1/pp2bpp1/7p/n2pN3/Q7/2PP4/PP3PPP/R1B2RK1 w - - 0 15

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