Chess Puzzle #KZK0q — Intermediate, Black to move, middlegame

Position

White: king g2; queen b3; rooks a1/h1; bishops c1/e2; knights c3/g1; pawns a2/b2/d2/e3/h2. Black: king e8; queen h4; rooks a8/h8; bishops c8/d6; knight b8; pawns a7/b7/c6/d5/f7/g7/h7. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: Nf3 — knight g1→f3. Now Black to move.
2. Best move: Bh3+ — bishop c8→h3, gives check. Opponent replies Kg1 (king g2→g1).
3. Best move: Qg4+ — queen h4→g4, gives check. Opponent replies Kf2 (king g1→f2).
4. Best move: Qg2+ — queen g4→g2, gives check.

Tactical themes

crushing, long, middlegame. The key move is Bh3+.

Position data

FEN: rnb1k2r/pp3ppp/2pb4/3p4/7q/1QN1P3/PP1PB1KP/R1B3NR w kq - 3 10

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