Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. f4 d6 3. Nf3 Nd7 4. Bc4 a6 5. a4 e6 6. Nc3 b6 7. O-O Qc7 8. d3 Ngf6
9. Nh4 Be7 10. f5 e5 11. Bd5 Bb7 12. Nf3 Bxd5 13. Nxd5 Nxd5 14. exd5 O-O 15. c4
f6 16. Nh4 Qb7 17. Qg4 b5 18. Bh6 Rf7 19. b3 Kh8 20. Be3 bxc4 21. bxc4 Rb8 22.
Qh3 Bf8 23. Ng6+ Kg8 24. Nxf8 Rfxf8 25. Rf3 Qb2 26. Raf1 Qc2 27. Bc1 Rb1 28.
Bh6 Rxf1+ 29. Rxf1 Rb8 30. Qg3 Rb1 *
Position (FEN): 6k1/3n2pp/p2p1p1B/2pPpP2/P1P5/3P2Q1/2q3PP/1r3RK1 w - - 3 31
White to move.
Themes: Kingside Attack Endgame Mate in 1 
Puzzle rating: 669
Best move: Qxg7#