Chess Puzzle #NLcyN — Master, White to move, middlegame

Position

White: king g2; queen f3; rook e2; bishop g5; knight e4; pawns a2/g7. Black: king g8; queen b1; rooks a8/e8; bishop d7; knight g6; pawns a7/b7/c4/c7/f7/h7. Black is ahead by 9 points of material. White to move.

Solution (7 moves)

1. Opponent setup: Kxg7 — king g8→g7, captures pawn. Now White to move.
2. Best move: Qf6+ — queen f3→f6, gives check. Opponent replies Kg8 (king g7→g8).
3. Best move: Bh6 — bishop g5→h6. Opponent replies Nh4+ (knight g6→h4, gives check).
4. Best move: Kh2 — king g2→h2. Opponent replies Nf3+ (knight h4→f3, gives check).
5. Best move: Kg3 — king h2→g3. Opponent replies Qg1+ (queen b1→g1, gives check).
6. Best move: Rg2 — rook e2→g2. Opponent replies Qxg2+ (queen g1→g2, captures rook, gives check).
7. Best move: Kxg2 — king g3→g2, captures queen. Opponent replies Nh4+ (knight f3→h4, gives check).
8. Best move: Qxh4 — queen f6→h4, captures knight.

Tactical themes

crushing, middlegame, quiet move, very long. The key move is Qf6+.

Position data

FEN: r3r1k1/pppb1pPp/6n1/6B1/2p1N3/5Q2/P3R1K1/1q6 b - - 0 29

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