Chess Puzzle #FJuLQ — Expert, Black to move, opening

Position

White: king g1; queen d1; rooks a1/e1; bishops b2/d3; knights c3/f3; pawns a2/a5/d5/e4/f2/g2. Black: king g8; queen f6; rooks a8/f8; bishops b6/h3; knight f4; pawns a7/b7/c6/d6/f7/g7/h6. White is ahead by 2 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: gxh3 — pawn g2→h3, captures bishop. Now Black to move.
2. Best move: Qg6+ — queen f6→g6, gives check. Opponent replies Ng5 (knight f3→g5).
3. Best move: Qxg5+ — queen g6→g5, captures knight, gives check. Opponent replies Qg4 (queen d1→g4).
4. Best move: Nxh3+ — knight f4→h3, captures pawn, gives check. Opponent replies Kh2 (king g1→h2).
5. Best move: Qxg4 — queen g5→g4, captures queen.

Tactical themes

crushing, kingside attack, middlegame, pin, very long. The key move Qxg5+ captures with check, forcing a response.

Position data

FEN: r4rk1/pp3pp1/1bpp1q1p/P2P4/4Pn2/2NB1N1b/PB3PP1/R2QR1K1 w - - 0 16

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