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

Position

White: king b1; queen h8; rooks d1/h1; knight f3; pawns b2/c3/e5/g2/g4. Black: king e7; queen a4; rooks a8/b8; knight g7; pawns a5/c5/f5/f7/g6. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: Qxg7 — queen h8→g7, captures knight. Now Black to move.
2. Best move: Rxb2+ — rook b8→b2, captures pawn, gives check. Opponent replies Kxb2 (king b1→b2, captures rook).
3. Best move: Rb8+ — rook a8→b8, gives check. Opponent replies Kc1 (king b2→c1).
4. Best move: Rb1+ — rook b8→b1, gives check. Opponent replies Kxb1 (king c1→b1, captures rook).
5. Best move: Qb3+ — queen a4→b3, gives check.

Tactical themes

attraction, equality, middlegame, queenside attack, sacrifice, very long. The key move Rxb2+ captures with check, forcing a response.

Position data

FEN: rr5Q/4kpn1/6p1/p1p1Pp2/q5P1/2P2N2/1P4P1/1K1R3R w - - 3 33

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