Chess Puzzle #LfB1W — Advanced, Black to move, middlegame

Position

White: king a2; queen a4; rooks d1/f1; bishop g3; pawns a3/b2/c4/f2/g2/h3. Black: king g8; queen g5; rooks a8/e2; knight g6; pawns a5/c6/c7/f7/g7/h7. Material is balanced. Black to move.

Solution (3 moves)

1. Opponent setup: Qxc6 — queen a4→c6, captures pawn. Now Black to move.
2. Best move: Rb8 — rook a8→b8. Opponent replies Rb1 (rook d1→b1).
3. Best move: Qd2 — queen g5→d2. Opponent replies Qb5 (queen c6→b5).
4. Best move: Rxb5 — rook b8→b5, captures queen.

Tactical themes

advantage, long, middlegame. The key move is Rb8.

Position data

FEN: r5k1/2p2ppp/2p3n1/p5q1/Q1P5/P5BP/KP2rPP1/3R1R2 w - - 0 20

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