Chess Puzzle #8YLcm — Advanced, Black to move, middlegame

Position

White: king c1; queen d1; rook h1; bishop f1; pawns a4/b3/c2/c6/f3/g4/h2. Black: king g8; queen c3; rook b8; bishop e6; pawns a7/c7/f6/f7/h7. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Kb1 — king c1→b1. Now Black to move.
2. Best move: Bxb3 — bishop e6→b3, captures pawn. Opponent replies cxb3 (pawn c2→b3, captures bishop).
3. Best move: Rxb3+ — rook b8→b3, captures pawn, gives check. Opponent replies Qxb3 (queen d1→b3, captures rook).
4. Best move: Qxb3+ — queen c3→b3, captures queen, gives check.

Tactical themes

crushing, endgame, long, queenside attack. The key move Rxb3+ captures with check, forcing a response.

Position data

FEN: 1r4k1/p1p2p1p/2P1bp2/8/P5P1/1Pq2P2/2P4P/2KQ1B1R w - - 1 21

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