| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. R Stone vs D Southam |
| ½-½ | 23 | 1989 | Canadian Championship | D17 Queen's Gambit Declined Slav |
| 27. J Sullivan vs D Southam |
| ½-½ | 53 | 1990 | USA Masters | A48 King's Indian |
| 28. D Southam vs J Hayes |
| ½-½ | 63 | 1990 | USA Masters | C04 French, Tarrasch, Guimard Main line |
| 29. D Bungo vs D Southam |
| 0-1 | 61 | 1990 | USA Masters | C77 Ruy Lopez |
| 30. D Southam vs M Brooks |
| 0-1 | 42 | 1990 | USA Masters | C92 Ruy Lopez, Closed |
| 31. J Hanken vs D Southam |
| 1-0 | 41 | 1990 | USA Masters | A25 English |
| 32. D Southam vs W Harris |
| 1-0 | 50 | 1990 | USA Masters | A46 Queen's Pawn Game |
| 33. W A Naff vs D Southam |
| 0-1 | 21 | 1990 | USA Masters | C01 French, Exchange |
| 34. D Southam vs D H Levin |
| 0-1 | 43 | 1990 | New York Open, International B | B05 Alekhine's Defense, Modern |
| 35. L B Hansen vs D Southam |
| 1-0 | 43 | 1990 | Luxembourg Open | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 36. Gheorghiu vs D Southam |
| ½-½ | 79 | 1990 | Biel MTO Open | E92 King's Indian |
| 37. D Southam vs U Kottke |
| 1-0 | 54 | 1990 | Biel MTO Open | A34 English, Symmetrical |
| 38. L Vogt vs D Southam |
| 1-0 | 57 | 1990 | Biel MTO Open | C50 Giuoco Piano |
| 39. J Bellon Lopez vs D Southam |
| 1-0 | 55 | 1990 | Biel MTO Open | E92 King's Indian |
| 40. Plaskett vs D Southam |
| 0-1 | 41 | 1990 | 14th Lloyds Bank Masters Open | E50 Nimzo-Indian, 4.e3 O-O 5.Nf3, without ...d5 |
| 41. D Southam vs R Stone |
| 0-1 | 39 | 1992 | Ontario | D87 Grunfeld, Exchange |
| 42. S Odendahl vs D Southam |
| 1-0 | 57 | 1992 | 20th World Open | A80 Dutch |
| 43. R Stone vs D Southam |
| 0-1 | 30 | 1992 | 20th World Open | A90 Dutch |
| 44. A Saidy vs D Southam |
| ½-½ | 69 | 1992 | 20th World Open | A90 Dutch |
| 45. D Southam vs S Palatnik |
| ½-½ | 41 | 1992 | 20th World Open | A88 Dutch, Leningrad, Main Variation with c6 |
| 46. D Southam vs R Seltzer |
| 0-1 | 27 | 1992 | 20th World Open | A57 Benko Gambit |
| 47. D Southam vs J Sammour-Hasbun |
| 1-0 | 36 | 1992 | 20th World Open | D87 Grunfeld, Exchange |
| 48. B Kiviaho vs D Southam |
| 0-1 | 50 | 1993 | Ontario-ch | C00 French Defense |
| 49. R Stone vs D Southam |
| 1-0 | 67 | 1993 | Ontario-ch | A90 Dutch |
| 50. D Southam vs J Ochkoos |
| 1-0 | 20 | 1993 | Ontario op | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
Kibitzing
