Chess Puzzle #bNlG7 — Expert, Black to move, middlegame

Position

White: king g1; queen a7; rooks a1/f3; knight c3; pawns a2/d4/e5/f5/g2/h3. Black: king d8; queen h4; rooks g8/h8; bishop c8; pawns c6/c7/d5/f7/h6/h7. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: Qc5 — queen a7→c5. Now Black to move.
2. Best move: Rxg2+ — rook g8→g2, captures pawn, gives check. Opponent replies Kxg2 (king g1→g2, captures rook).
3. Best move: Rg8+ — rook h8→g8, gives check. Opponent replies Kh1 (king g2→h1).
4. Best move: Qg5 — queen h4→g5. Opponent replies Qf8+ (queen c5→f8, gives check).
5. Best move: Rxf8 — rook g8→f8, captures queen.

Tactical themes

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

Position data

FEN: 2bk2rr/Q1p2p1p/2p4p/3pPP2/3P3q/2N2R1P/P5P1/R5K1 w - - 3 23

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