Chess Puzzle #APIGd — Intermediate, Black to move, middlegame

Position

White: king f1; queen d5; rooks a1/h1; bishop f7; knights d2/f5; pawns a2/b3/f2/g2/h2. Black: king d8; queen b4; rooks c5/h8; bishop f8; knight d7; pawns a7/b7/h6/h7. White is ahead by 4 points of material. Black to move.

Solution (2 moves)

1. Opponent setup: a3 — pawn a2→a3. Now Black to move.
2. Best move: Qb5+ — queen b4→b5, gives check. Opponent replies Nc4 (knight d2→c4).
3. Best move: Rxd5 — rook c5→d5, captures queen.

Tactical themes

advantage, middlegame, short. The key move is Qb5+.

Position data

FEN: 3k1b1r/pp1n1B1p/7p/2rQ1N2/1q6/1P6/P2N1PPP/R4K1R w - - 3 16

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