Chess Puzzle #4OMF0 — Advanced, Black to move, middlegame

Position

White: king c1; queen c3; bishop b5; pawns a5/b2/c2/f3/g2/h2. Black: king e7; rook c8; bishops b6/e6; knight e5; pawns d6/f7/g6/h5. Material is balanced. Black to move.

Solution (3 moves)

1. Opponent setup: axb6 — pawn a5→b6, captures bishop. Now Black to move.
2. Best move: Rxc3 — rook c8→c3, captures queen. Opponent replies b7 (pawn b6→b7).
3. Best move: Rc8 — rook c3→c8. Opponent replies bxc8=B (pawn b7→c8, captures rook, promotes to bishop).
4. Best move: Bxc8 — bishop e6→c8, captures bishop.

Tactical themes

advantage, endgame, long. The key move Rxc3 wins material.

Position data

FEN: 2r5/4kp2/1b1pb1p1/PB2n2p/8/2Q2P2/1PP3PP/2K5 w - - 1 28

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