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

Position

White: king g1; queen b2; rooks b1/b3; bishops e3/h5; pawns a3/c5/d4/e5/f2/g2/h2. Black: king g8; queen c7; rooks b8/f8; bishop e7; knight c6; pawns a6/b7/d5/e6/f7/g7/h6. Material is balanced. Black to move.

Solution (3 moves)

1. Opponent setup: Rxb7 — rook b3→b7, captures pawn. Now Black to move.
2. Best move: Rxb7 — rook b8→b7, captures rook. Opponent replies Qxb7 (queen b2→b7, captures rook).
3. Best move: Rb8 — rook f8→b8. Opponent replies Qxb8+ (queen b7→b8, captures rook, gives check).
4. Best move: Nxb8 — knight c6→b8, captures queen.

Tactical themes

advantage, long, middlegame. The key move Rxb7 wins material.

Position data

FEN: 1r3rk1/1pq1bpp1/p1n1p2p/2PpP2B/3P4/PR2B3/1Q3PPP/1R4K1 w - - 9 24

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