Chess Puzzle #3U9Kr — Advanced, Black to move, middlegame

Position

White: king g1; queen d2; rooks a1/e1; bishop e3; knight c3; pawns a3/b2/f2/g2/h3. Black: king g8; queen e7; rooks b3/b8; bishop g7; pawns c5/c7/d6/e6/g6/h7. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Rab1 — rook a1→b1. Now Black to move.
2. Best move: Bxc3 — bishop g7→c3, captures knight. Opponent replies bxc3 (pawn b2→c3, captures bishop).
3. Best move: Rxb1 — rook b3→b1, captures rook. Opponent replies Rxb1 (rook e1→b1, captures rook).
4. Best move: Rxb1+ — rook b8→b1, captures rook, gives check.

Tactical themes

advantage, long, middlegame. The key move Rxb1+ captures with check, forcing a response.

Position data

FEN: 1r4k1/2p1q1bp/3pp1p1/2p5/8/PrN1B2P/1P1Q1PP1/R3R1K1 w - - 0 21

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