Chess Puzzle #0ViBH — Expert, Black to move, middlegame

Position

White: king g1; queen b7; rooks a1/e1; bishop g3; pawns a2/c5/e3/f2/g2/h4. Black: king g8; queen g6; rooks d2/d8; bishop e4; pawns c6/f7/g7/h5. White is ahead by 2 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: a4 — pawn a2→a4. Now Black to move.
2. Best move: Qxg3 — queen g6→g3, captures bishop. Opponent replies fxg3 (pawn f2→g3, captures queen).
3. Best move: Rxg2+ — rook d2→g2, captures pawn, gives check. Opponent replies Kf1 (king g1→f1).
4. Best move: Rdd2 — rook d8→d2. Opponent replies Qc8+ (queen b7→c8, gives check).
5. Best move: Kh7 — king g8→h7.

Tactical themes

crushing, kingside attack, middlegame, quiet move, sacrifice, very long. The key move Rxg2+ captures with check, forcing a response.

Position data

FEN: 3r2k1/1Q3pp1/2p3q1/2P4p/4b2P/4P1B1/P2r1PP1/R3R1K1 w - - 1 27

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