Chess Puzzle #0N0M1 — Advanced, White to move, middlegame

Position

White: king g1; queen g6; rook f1; bishop h6; pawns d5/g2. Black: king h8; queen h4; rook f8; knight c5; pawns b7/c7/d6/e4. Black is ahead by 2 points of material. White to move.

Solution (3 moves)

1. Opponent setup: Rg8 — rook f8→g8. Now White to move.
2. Best move: Bg7+ — bishop h6→g7, gives check. Opponent replies Rxg7 (rook g8→g7, captures bishop).
3. Best move: Rf8+ — rook f1→f8, gives check. Opponent replies Rg8 (rook g7→g8).
4. Best move: Qxg8# — queen g6→g8, captures rook, delivers checkmate.

Tactical themes

endgame, exposed king, long, mate, mate in 3, sacrifice. The combination ends with Qxg8# delivering checkmate.

Position data

FEN: 5r1k/1pp5/3p2QB/2nP4/4p2q/8/6P1/5RK1 b - - 0 46

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