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

Position

White: king g1; queen a7; rooks d2/f1; bishop b3; knight c5; pawns a3/b2/c2/f3/g2/h2. Black: king c8; queen c7; rooks g7/g8; bishop b7; knight e3; pawns a6/b5/d7/e6/h7. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: Rff2 — rook f1→f2. Now Black to move.
2. Best move: Nxg2 — knight e3→g2, captures pawn. Opponent replies Rxg2 (rook f2→g2, captures knight).
3. Best move: Rxg2+ — rook g7→g2, captures rook, gives check. Opponent replies Rxg2 (rook d2→g2, captures rook).
4. Best move: Rxg2+ — rook g8→g2, captures rook, gives check.

Tactical themes

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

Position data

FEN: 2k3r1/Qbqp2rp/p3p3/1pN5/8/PB2nP2/1PPR2PP/5RK1 w - - 7 21

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