Chess Puzzle #6bpFR — Expert, White to move, middlegame

Position

White: king h2; queen f6; pawns e5/f2/g4/h3. Black: king h5; queen c4; bishop f8; pawns a6/b5/d5/e6/f7/g5/h6. Black is ahead by 6 points of material. White to move.

Solution (3 moves)

1. Opponent setup: Kh4 — king h5→h4. Now White to move.
2. Best move: Qf3 — queen f6→f3. Opponent replies Qf4+ (queen c4→f4, gives check).
3. Best move: Qg3+ — queen f3→g3, gives check. Opponent replies Qxg3+ (queen f4→g3, captures queen, gives check).
4. Best move: fxg3# — pawn f2→g3, captures queen, delivers checkmate.

Tactical themes

endgame, long, mate, mate in 3. The combination ends with fxg3# delivering checkmate.

Position data

FEN: 5b2/5p2/p3pQ1p/1p1pP1pk/2q3P1/7P/5P1K/8 b - - 0 48

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