Chess Puzzle #dh9SQ — Advanced, Black to move, middlegame

Position

White: king f2; queen e2; rooks a1/g1; knight e5; pawns b2/d4/e3/f3/g2/g3. Black: king g8; queen c8; rooks h2/h6; bishop h3; pawns a5/a7/c6/d5/g7/h7. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: Rxa5 — rook a1→a5, captures pawn. Now Black to move.
2. Best move: Bxg2 — bishop h3→g2, captures pawn. Opponent replies Rxg2 (rook g1→g2, captures bishop).
3. Best move: Rxg2+ — rook h2→g2, captures rook, gives check. Opponent replies Kxg2 (king f2→g2, captures rook).
4. Best move: Qh3+ — queen c8→h3, gives check. Opponent replies Kf2 (king g2→f2).
5. Best move: Qh2+ — queen h3→h2, gives check.

Tactical themes

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

Position data

FEN: 2q3k1/p5pp/2p4r/p2pN3/3P4/4PPPb/1P2QKPr/R5R1 w - - 12 34

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