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

Position

White: king g2; queen f4; rook h8; knight g5; pawns d5/e4/f2/g3. Black: king g8; queen e3; rooks a3/b2; knight e5; pawns c5/d6/e7/f7/g6. Black is ahead by 6 points of material. White to move.

Solution (4 moves)

1. Opponent setup: Kxh8 — king g8→h8, captures rook. Now White to move.
2. Best move: Qh4+ — queen f4→h4, gives check. Opponent replies Kg7 (king h8→g7).
3. Best move: Qh7+ — queen h4→h7, gives check. Opponent replies Kf6 (king g7→f6).
4. Best move: Qh8+ — queen h7→h8, gives check. Opponent replies Kxg5 (king f6→g5, captures knight).
5. Best move: Qh4# — queen h8→h4, delivers checkmate.

Tactical themes

endgame, exposed king, mate, mate in 4, sacrifice, very long. The combination ends with Qh4# delivering checkmate.

Position data

FEN: 6kR/4pp2/3p2p1/2pPn1N1/4PQ2/r3q1P1/1r3PK1/8 b - - 0 25

Solve this puzzle interactively on Brilliant Knight — free tactics training powered by Stockfish 18, no signup required.