Chess Puzzle #Ap9Bm — Master, Black to move, middlegame

Position

White: king c1; rooks d1/h1; bishops d4/g2; pawns b2/c2/e4/h4. Black: king g8; rooks b8/c8; knight c4; pawns b3/f6/f7/h7. White is ahead by 3 points of material. Black to move.

Solution (6 moves)

1. Opponent setup: c3 — pawn c2→c3. Now Black to move.
2. Best move: Ra8 — rook b8→a8. Opponent replies Kb1 (king c1→b1).
3. Best move: Ra2 — rook a8→a2. Opponent replies Rdg1 (rook d1→g1).
4. Best move: Rxb2+ — rook a2→b2, captures pawn, gives check. Opponent replies Kc1 (king b1→c1).
5. Best move: Rc2+ — rook b2→c2, gives check. Opponent replies Kd1 (king c1→d1).
6. Best move: Nb2+ — knight c4→b2, gives check. Opponent replies Ke1 (king d1→e1).
7. Best move: Nd3+ — knight b2→d3, gives check.

Tactical themes

crushing, middlegame, quiet move, very long. The key move Rxb2+ captures with check, forcing a response.

Position data

FEN: 1rr3k1/5p1p/5p2/8/2nBP2P/1p6/1PP3B1/2KR3R w - - 0 27

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