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

Position

White: king g1; queen b8; rooks d1/f1; knight d4; pawns a2/b2/c3/f2/g2/h2. Black: king h7; queen f4; rooks d6/g6; pawns a7/f7/g7/h6. White is ahead by 5 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Ne2 — knight d4→e2. Now Black to move.
2. Best move: Rxg2+ — rook g6→g2, captures pawn, gives check. Opponent replies Kxg2 (king g1→g2, captures rook).
3. Best move: Rg6+ — rook d6→g6, gives check. Opponent replies Ng3 (knight e2→g3).
4. Best move: Qxb8 — queen f4→b8, captures queen.

Tactical themes

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

Position data

FEN: 1Q6/p4ppk/3r2rp/8/3N1q2/2P5/PP3PPP/3R1RK1 w - - 6 22

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