[Event "Karlsruhe"] [Site "?"] [Round "0"] [White "Bogolyubov"] [Black "Hussong"] [Result "1-0"] [ECO "A47"] [Opening "Neo-Queen's Indian"] 1. d4 Nf6 2. Nf3 b6 3. e3 Bb7 4. Bd3 d6 5. Nbd2 Nbd7 6. e4 e5 7. c3 Be7 8. Qe2 O-O 9. Nf1 d5 10. Nxe5 Nxe5 11. dxe5 Nxe4 12. Ng3 Nc5 13. O-O Qd7 14. Nf5 Nxd3 $2 15. Qg4 {Suddenly there is no defense to Qxg7+ and Nh6+} 15... -- 16. Qxg7# (16. Nh6+ Kh8 17. Qxd7) 1-0