Chess Puzzle #ETSBC — Advanced, White to move, middlegame

Position

White: king c1; queen e3; rook g1; bishop e2; pawns a2/b2/c4/d5/h5. Black: king g7; queen h4; rook f2; bishop e4; pawns a5/b7/c7/d6/e5. Material is balanced. White to move.

Solution (2 moves)

1. Opponent setup: Kh8 — king g7→h8. Now White to move.
2. Best move: Qh6+ — queen e3→h6, gives check. Opponent replies Bh7 (bishop e4→h7).
3. Best move: Qg7# — queen h6→g7, delivers checkmate.

Tactical themes

endgame, mate, mate in 2, short. The combination ends with Qg7# delivering checkmate.

Position data

FEN: 8/1pp3k1/3p4/p2Pp2P/2P1b2q/4Q3/PP2Br2/2K3R1 b - - 1 27

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