Chess Puzzle #Pcfs6 — Expert, Black to move, middlegame

Position

White: king g1; queen e2; rooks a1/f1; bishop c5; knight a4; pawns a5/d2/d4/e3/g3/h2. Black: king c8; queen c7; rooks g5/g8; bishop g7; knight h5; pawns a6/b7/d5/e6/h3. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: Rac1 — rook a1→c1. Now Black to move.
2. Best move: Nxg3 — knight h5→g3, captures pawn. Opponent replies hxg3 (pawn h2→g3, captures knight).
3. Best move: Qxg3+ — queen c7→g3, captures pawn, gives check. Opponent replies Kh1 (king g1→h1).
4. Best move: Qg2+ — queen g3→g2, gives check. Opponent replies Qxg2 (queen e2→g2, captures queen).
5. Best move: hxg2+ — pawn h3→g2, captures queen, gives check.

Tactical themes

advanced pawn, equality, kingside attack, middlegame, very long. The key move Qxg3+ captures with check, forcing a response.

Position data

FEN: 2k3r1/1pq3b1/p3p3/P1Bp2rn/N2P4/4P1Pp/3PQ2P/R4RK1 w - - 0 29

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