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

Position

White: king g1; queen h4; rook e3; knight g6; pawns a3/b2/c2/f5/g2/h2. Black: king h8; queen f7; rooks a8/e8; bishop c8; pawns a6/c5/f6/g7/h7. Black is ahead by 4 points of material. White to move.

Solution (3 moves)

1. Opponent setup: Kg8 — king h8→g8. Now White to move.
2. Best move: Qxh7+ — queen h4→h7, captures pawn, gives check. Opponent replies Kxh7 (king g8→h7, captures queen).
3. Best move: Rh3+ — rook e3→h3, gives check. Opponent replies Kg8 (king h7→g8).
4. Best move: Rh8# — rook h3→h8, delivers checkmate.

Tactical themes

attraction, kingside attack, long, mate, mate in 3, middlegame, sacrifice. The combination ends with Rh8# delivering checkmate.

Position data

FEN: r1b1r2k/5qpp/p4pN1/2p2P2/7Q/P3R3/1PP3PP/6K1 b - - 1 25

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