Surprise!

1. g3 { Hungarian Opening, General } d5 2. Bh3 Bxh3 3. Nxh3 e5 4. b3 Qd7 5. Ba3 Bxa3 6. Nxa3 Qxh3 7. f4 Qg2 8. Rf1 c6 9. h4 Qxg3+ 10. Rf2 Qxh4 11. fxe5 Nd7 12. d4 Ne7 13. Qd2 Nf5 14. Qf4 g6 15. Rd1 Qxf4 16. Rxf4 Ng3 17. Rd3 Ne4 18. Rdf3 O-O 19. c4 Rae8 20. cxd5 cxd5 21. Nb5 a6 22. Nc7 Rc8 23. Nxd5 Rc1# { White is checkmated } 0-1