| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. T Pirttimaki vs D Lavin |
| ½-½ | 33 | 1981 | World Youth U26 Team Championship | C33 King's Gambit Accepted |
| 27. C McNab vs D Lavin |
| 1-0 | 27 | 1981 | World Youth U26 Team Championship | A20 English |
| 28. R Tomaszewski vs D Lavin |
| 0-1 | 36 | 1981 | World Youth U26 Team Championship | A55 Old Indian, Main line |
| 29. D Lavin vs I Kilgour |
| 1-0 | 38 | 1982 | Toronto Closed | D46 Queen's Gambit Declined Semi-Slav |
| 30. D Lavin vs M Buchholz |
| 0-1 | 66 | 1982 | Toronto Closed | A44 Old Benoni Defense |
| 31. S Kleinplatz vs D Lavin |
| 1-0 | 33 | 1982 | Toronto Closed | D14 Queen's Gambit Declined Slav, Exchange Variation |
| 32. D Lavin vs D Hergott |
| 1-0 | 28 | 1982 | Toronto Closed | A10 English |
| 33. J Van Leusden vs D Lavin |
| 0-1 | 29 | 1982 | Toronto Closed | A00 Uncommon Opening |
| 34. I Kourkounakis vs D Lavin |
| 1-0 | 69 | 1982 | Toronto Closed | C77 Ruy Lopez |
| 35. D Lavin vs B Nickoloff |
| 0-1 | 29 | 1982 | Toronto Closed | D37 Queen's Gambit Declined |
| 36. D Lavin vs I Findlay |
| 1-0 | 45 | 1982 | Toronto Closed | D50 Queen's Gambit Declined |
| 37. D Lavin vs R Morrison |
| ½-½ | 53 | 1982 | Toronto Closed | A10 English |
| 38. L Day vs D Lavin |
| 1-0 | 36 | 1982 | Toronto Closed | A00 Uncommon Opening |
| 39. L Yee vs D Lavin |
| 1-0 | 38 | 1994 | 7th Keres Active, B Section | A21 English |
| 40. D Lavin vs L Day |
| ½-½ | 14 | 2004 | Canadian Championship | A00 Uncommon Opening |
| 41. S Gravel vs D Lavin |
 | ½-½ | 46 | 2004 | Canadian Championship | A22 English |
| 42. D Lavin vs E Lawson |
 | 0-1 | 91 | 2004 | Canadian Championship | E15 Queen's Indian |
| 43. S Cleto vs D Lavin |
| 0-1 | 45 | 2004 | Canadian Championship | A46 Queen's Pawn Game |
| 44. J Yoos vs D Lavin |
| 1-0 | 34 | 2004 | Canadian Championship | B60 Sicilian, Richter-Rauzer |
| 45. D Lavin vs H Smith |
| ½-½ | 26 | 2004 | Canadian Championship | E43 Nimzo-Indian, Fischer Variation |
| 46. N Starr vs D Lavin |
| ½-½ | 44 | 2004 | Canadian Championship | B23 Sicilian, Closed |
| 47. J Wang vs D Lavin |
| ½-½ | 48 | 2009 | PWC Toronto Open | B23 Sicilian, Closed |
| 48. D Lavin vs L Henry |
| ½-½ | 12 | 2009 | PWC Toronto Open | D90 Grunfeld |
Kibitzing
