Chess Puzzle #4kmKQ — Advanced, Black to move, middlegame

Position

White: king e1; queen h5; rooks a1/h1; bishop g5; pawns a3/b2/h4. Black: king g8; queen c7; rook a8; bishops c8/e7; pawns a7/b7/d5/e6/g7. Material is balanced. Black to move.

Solution (2 moves)

1. Opponent setup: O-O — king e1→g1. Now Black to move.
2. Best move: Qg3+ — queen c7→g3, gives check. Opponent replies Kh1 (king g1→h1).
3. Best move: Qh3+ — queen g3→h3, gives check.

Tactical themes

crushing, master, middlegame, short. The key move is Qg3+.

Position data

FEN: r1b3k1/ppq1b1p1/4p3/3p2BQ/7P/P7/1P6/R3K2R w KQ - 4 22

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