Game |
| Result | Moves |
Year | Event/Locale | Opening |
1. S Fitzpatrick vs M Nicholson |
| 0-1 | 17 | 2002 | Koshnitsky Memorial | A45 Queen's Pawn Game |
2. G Benson vs M Nicholson |
| 1-0 | 24 | 2002 | Koshnitsky Memorial | B04 Alekhine's Defense, Modern |
3. M Nicholson vs G Derraugh |
 | 0-1 | 45 | 2009 | PWC Toronto Open | C36 King's Gambit Accepted, Abbazia Defense |
4. M Nicholson vs P Becker |
| 0-1 | 61 | 2010 | Canadian Amateur U2100 | B43 Sicilian, Kan, 5.Nc3 |
5. M Nicholson vs D Raats |
| 1-0 | 24 | 2010 | Canadian Amateur U2100 | C11 French |
6. R Sapozhnikov vs M Nicholson |
| 1-0 | 64 | 2010 | Summer open | C67 Ruy Lopez |
7. M Nicholson vs D Bailey |
| 1-0 | 29 | 2010 | Summer open | B76 Sicilian, Dragon, Yugoslav Attack |
8. M Nicholson vs M Humphreys |
| 1-0 | 26 | 2010 | Summer open | B27 Sicilian |
9. A Calugar vs M Nicholson |
| 1-0 | 55 | 2011 | Hart House Reading Week Open | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
10. M Nicholson vs H R Jung |
| 0-1 | 65 | 2011 | Canadian Championship | B42 Sicilian, Kan |
11. R Panjwani vs M Nicholson |
| 1-0 | 24 | 2011 | Canadian Championship | D80 Grunfeld |
12. N Anastasovski vs M Nicholson |
| 0-1 | 27 | 2011 | Canadian Championship | A36 English |
13. M Nicholson vs M Dougherty |
| 0-1 | 32 | 2011 | Canadian Championship | B61 Sicilian, Richter-Rauzer, Larsen Variation, 7.Qd2 |
14. M Barron vs M Nicholson |
| 0-1 | 58 | 2011 | Canadian Championship | C03 French, Tarrasch |
15. M Nicholson vs Z Qin |
| 0-1 | 39 | 2011 | Canadian Championship | E99 King's Indian, Orthodox, Taimanov |
16. D Itkin vs M Nicholson |
| ½-½ | 25 | 2011 | Canadian Championship | B71 Sicilian, Dragon, Levenfish Variation |
17. M Nicholson vs V Drkulec |
| 0-1 | 46 | 2011 | Canadian Championship | B27 Sicilian |
18. A Calugar vs M Nicholson |
| 1-0 | 46 | 2011 | Canadian Open | A04 Reti Opening |
19. M Nicholson vs L Castle |
  | 1-0 | 22 | 2011 | Canadian Open | B80 Sicilian, Scheveningen |
20. L Henry vs M Nicholson |
| 1-0 | 23 | 2011 | Canadian Open | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
21. M Nicholson vs Pi Nasir |
 | 1-0 | 14 | 2011 | Canadian Open | E06 Catalan, Closed, 5.Nf3 |
22. M Song vs M Nicholson |
| ½-½ | 36 | 2011 | Canadian Open | A04 Reti Opening |
23. M Nicholson vs N Gusev |
| 0-1 | 28 | 2011 | Canadian Open | B42 Sicilian, Kan |
24. M Coleman vs M Nicholson |
| 0-1 | 26 | 2011 | Canadian Open | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
25. M Nicholson vs L Day |
| 1-0 | 23 | 2011 | Canadian Open | B06 Robatsch |