Chess Puzzle #L4cAt — Advanced, White to move, middlegame

Position

White: king g1; queen g6; bishops b1/d4; pawns a3/b2/c3/e5/g2/g4/h2. Black: king f7; queen d8; rooks c8/h8; bishop b7; knight a1; pawns a5/b5/d5/e6/g5/h6. Black is ahead by 9 points of material. White to move.

Solution (2 moves)

1. Opponent setup: Ke7 — king f7→e7. Now White to move.
2. Best move: Qg7+ — queen g6→g7, gives check. Opponent replies Ke8 (king e7→e8).
3. Best move: Bg6# — bishop b1→g6, delivers checkmate.

Tactical themes

mate, mate in 2, middlegame, short. The combination ends with Bg6# delivering checkmate.

Position data

FEN: 2rq3r/1b3k2/4p1Qp/pp1pP1p1/3B2P1/P1P5/1P4PP/nB4K1 b - - 1 25

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