| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Nunn vs C McNab |
| 0-1 | 58 |
1982 |
Marbella zt A | B08 Pirc, Classical |
| 2. Hebden vs C McNab |
| ½-½ | 44 |
1989 |
It Hastings (ENG) | B08 Pirc, Classical |
| 3. Y Gruenfeld vs C McNab |
| 0-1 | 44 |
1989 |
EU-chT (Men) | B09 Pirc, Austrian Attack |
| 4. S Smagin vs C McNab |
| 0-1 | 36 |
1989 |
Hastings Challengers 8990 | B09 Pirc, Austrian Attack |
| 5. Plaskett vs C McNab |
| 1-0 | 42 |
1990 |
BCF-ch 77th | B09 Pirc, Austrian Attack |
| 6. D Norwood vs C McNab |
| ½-½ | 57 |
1990 |
Ch Great Britain | B07 Pirc |
| 7. Nunn vs C McNab |
| 1-0 | 35 |
1992 |
Walsall | B07 Pirc |
| 8. Blatny vs C McNab |
| ½-½ | 53 |
1992 |
Debrecen ETC | B08 Pirc, Classical |
| 9. R Britton vs C McNab |
| 1-0 | 46 |
1993 |
Lloyds Bank Masters | B07 Pirc |
| 10. R Burridge vs C McNab |
| 0-1 | 21 |
1994 |
SNCL Div 1 Aberdeen 2-Dundee | B07 Pirc |
| 11. Hebden vs C McNab |
| 1-0 | 43 |
1994 |
Lloyds Bank Masters | B08 Pirc, Classical |
| 12. Plaskett vs C McNab |
| 1-0 | 33 |
1999 |
Redbus KO | B07 Pirc |
| 13. P Motwani vs C McNab |
| ½-½ | 21 |
2001 |
ch-SCO | B09 Pirc, Austrian Attack |
| 14. D Bryson vs C McNab |
| ½-½ | 33 |
2001 |
ch-SCO | B09 Pirc, Austrian Attack |
| 15. I Krush vs C McNab |
| 0-1 | 35 |
2001 |
Hampstead ENG | B09 Pirc, Austrian Attack |
| 16. J C Saunders vs C McNab |
| 0-1 | 74 |
2001 |
4NCL | B08 Pirc, Classical |
| 17. A Hunt vs C McNab |
| ½-½ | 16 |
2001 |
Hampstead ENG | B07 Pirc |
| 18. R Eames vs C McNab |
| 0-1 | 33 |
2001 |
4NCL | B09 Pirc, Austrian Attack |
| 19. D Gormally vs C McNab |
| ½-½ | 20 |
2001 |
Oakham ENG | B09 Pirc, Austrian Attack |
| 20. D Mieles Palau vs C McNab |
| ½-½ | 22 |
2002 |
Bled Olympiad | B09 Pirc, Austrian Attack |
| 21. Degraeve vs C McNab |
| 0-1 | 67 |
2002 |
Bled Olympiad | B09 Pirc, Austrian Attack |
| 22. J Benjamin vs C McNab |
| ½-½ | 48 |
2002 |
Bled Olympiad | B08 Pirc, Classical |
| 23. C Guerrero vs C McNab |
| 0-1 | 51 |
2003 |
Gibraltar Masters | B08 Pirc, Classical |
| 24. S Del Rio Angelis vs C McNab |
| ½-½ | 28 |
2004 |
Gibraltar Masters | B08 Pirc, Classical |
| 25. Chandler vs C McNab |
| ½-½ | 53 |
2004 |
Gibraltar Masters | B09 Pirc, Austrian Attack |