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

Position

White: king b1; queen d4; rooks d1/h1; knight c3; pawns a2/c2/d5/f2/g3/h2. Black: king e8; queen c5; rooks b2/h8; knight c4; pawns a6/c6/e6/f7/g7/h7. Material is balanced. Black to move.

Solution (3 moves)

1. Opponent setup: Kc1 — king b1→c1. Now Black to move.
2. Best move: Qa3 — queen c5→a3. Opponent replies Qxc4 (queen d4→c4, captures knight).
3. Best move: Rb4+ — rook b2→b4, gives check. Opponent replies Kd2 (king c1→d2).
4. Best move: Rxc4 — rook b4→c4, captures queen.

Tactical themes

crushing, discovered attack, long, middlegame, queenside attack, sacrifice. The key move is Qa3.

Position data

FEN: 4k2r/5ppp/p1p1p3/2qP4/2nQ4/2N3P1/PrP2P1P/1K1R3R w k - 0 19

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