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

Position

White: king f1; queen a7; rook h1; bishop c5; pawns a3/b2/d4/e3/f2. Black: king d7; queen f3; rooks g3/g6; bishop c6; pawns b5/c4/d5/e4/f7/g7. Black is ahead by 6 points of material. White to move.

Solution (3 moves)

1. Opponent setup: Ke6 — king d7→e6. Now White to move.
2. Best move: Qe7+ — queen a7→e7, gives check. Opponent replies Kf5 (king e6→f5).
3. Best move: Qe5+ — queen e7→e5, gives check. Opponent replies Kg4 (king f5→g4).
4. Best move: Qh5# — queen e5→h5, delivers checkmate.

Tactical themes

long, mate, mate in 3, middlegame. The combination ends with Qh5# delivering checkmate.

Position data

FEN: 8/Q2k1pp1/2b3r1/1pBp4/2pPp3/P3Pqr1/1P3P2/5K1R b - - 3 34

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