Chess Puzzle #Nj0Ji — Expert, White to move, middlegame

Position

White: king c1; queen h5; rook d1; bishops g5/h7; pawns c3/g2/h2. Black: king e8; queen a2; rooks a8/h8; bishop c8; knight b8; pawns a6/b7/e6/f7/g7. Black is ahead by 7 points of material. White to move.

Solution (4 moves)

1. Opponent setup: Bd7 — bishop c8→d7. Now White to move.
2. Best move: Qxf7+ — queen h5→f7, captures pawn, gives check. Opponent replies Kxf7 (king e8→f7, captures queen).
3. Best move: Rf1+ — rook d1→f1, gives check. Opponent replies Qf2 (queen a2→f2).
4. Best move: Rxf2+ — rook f1→f2, captures queen, gives check. Opponent replies Ke8 (king f7→e8).
5. Best move: Bg6# — bishop h7→g6, delivers checkmate.

Tactical themes

attack on f2/f7, attraction, mate, mate in 4, middlegame, sacrifice, very long. The combination ends with Bg6# delivering checkmate.

Position data

FEN: rnb1k2r/1p3ppB/p3p3/6BQ/8/2P5/q5PP/2KR4 b kq - 1 19

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