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

Position

White: king g1; queen h3; rooks f1/f2; pawns a4/b2/b3/d3/f6/g2/h2. Black: king g7; queen e8; rooks d8/f8; pawns a7/b6/c5/d4/e3/f7/g6/h7. Black is ahead by 1 point of material. White to move.

Solution (3 moves)

1. Opponent setup: Kg8 — king g7→g8. Now White to move.
2. Best move: Qh6 — queen h3→h6. Opponent replies exf2+ (pawn e3→f2, captures rook, gives check).
3. Best move: Kh1 — king g1→h1. Opponent replies Qe5 (queen e8→e5).
4. Best move: Qg7# — queen h6→g7, delivers checkmate.

Tactical themes

defensive move, endgame, long, mate, mate in 3, sacrifice. The combination ends with Qg7# delivering checkmate.

Position data

FEN: 3rqr2/p4pkp/1p3Pp1/2p5/P2p4/1P1Pp2Q/1P3RPP/5RK1 b - - 0 24

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