Chess Puzzle #iYc0O — Advanced, Black to move, middlegame

Position

White: king f2; queen d3; rook c5; bishop e3; pawns c2/c4/e4/f3/g3/h5. Black: king h7; queen b1; rook c8; knight b4; pawns f7/g7/h6. White is ahead by 3 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Qb3 — queen d3→b3. Now Black to move.
2. Best move: Qxb3 — queen b1→b3, captures queen. Opponent replies cxb3 (pawn c2→b3, captures queen).
3. Best move: Nd3+ — knight b4→d3, gives check. Opponent replies Ke2 (king f2→e2).
4. Best move: Nxc5 — knight d3→c5, captures rook.

Tactical themes

advantage, endgame, fork, long. The key move Qxb3 wins material.

Position data

FEN: 2r5/5ppk/7p/2R4P/1nP1P3/3QBPP1/2P2K2/1q6 w - - 5 56

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