Chess puzzle (Checkmate)
Opening: Vant_Kruijs_Opening, Vant_Kruijs_Opening_Other_variations
Moves: 1. e3 e5 2. Nc3 d6 3. b3 Nc6 4. Bb2 Bd7 5. Bb5 Be7 6. Qf3 Nf6 7. O-O-O O-O 8.
d4 a6 9. Bxc6 bxc6 10. Qg3 e4 11. d5 cxd5 12. Nxd5 Nxd5 *
Position (FEN): r2q1rk1/2pbbppp/p2p4/3n4/4p3/1P2P1Q1/PBP2PPP/2KR2NR w - - 0 13
White to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 614
Best move: Qxg7#