| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. R O'Donnell vs A C Chow |
| ½-½ | 53 | 1989 | 7th Midwest Masters | A34 English, Symmetrical |
| 27. R O'Donnell vs R Torregrossa |
| ½-½ | 69 | 1990 | USA Masters | E97 King's Indian |
| 28. R Weaver vs R O'Donnell |
| ½-½ | 25 | 1990 | USA Masters | A29 English, Four Knights, Kingside Fianchetto |
| 29. R O'Donnell vs E Karklins |
| 1-0 | 31 | 1990 | USA Masters | D39 Queen's Gambit Declined, Ragozin, Vienna Variation |
| 30. J Bath vs R O'Donnell |
| 0-1 | 40 | 1990 | USA Masters | E12 Queen's Indian |
| 31. J Waitzkin vs R O'Donnell |
| 1-0 | 60 | 1990 | USA Masters | B64 Sicilian, Richter-Rauzer Attack |
| 32. R Yearwood vs R O'Donnell |
| 1-0 | 32 | 1990 | USA Masters | A07 King's Indian Attack |
| 33. R O'Donnell vs Dlugy |
| 0-1 | 45 | 1990 | USA Masters | A30 English, Symmetrical |
| 34. C Musgrove vs R O'Donnell |
| 0-1 | 37 | 1991 | USA-chT 1st 08 corr9193 | E15 Queen's Indian |
| 35. S Surak vs R O'Donnell |
| 0-1 | 30 | 1991 | USA-chT 1st 08 corr9193 | B63 Sicilian, Richter-Rauzer Attack |
| 36. R O'Donnell vs S Surak |
| 1-0 | 29 | 1991 | USA-chT 1st 08 corr9193 | A90 Dutch |
| 37. R O'Donnell vs C Musgrove |
| 1-0 | 38 | 1991 | USA-chT 1st 08 corr9193 | A70 Benoni, Classical with 7.Nf3 |
| 38. R O'Donnell vs J C Sutton |
| 1-0 | 31 | 1991 | USA-chT 1st 08 corr9193 | A70 Benoni, Classical with 7.Nf3 |
| 39. J C Sutton vs R O'Donnell |
| 0-1 | 33 | 1991 | USA-chT 1st 08 corr9193 | A34 English, Symmetrical |
| 40. P Vayssie vs R O'Donnell |
| 0-1 | 31 | 1992 | 93rd US Open | B23 Sicilian, Closed |
| 41. R O'Donnell vs J Forte |
| 1-0 | 38 | 1992 | 93rd US Open | A31 English, Symmetrical, Benoni Formation |
| 42. G Bailey vs R O'Donnell |
| 0-1 | 50 | 1992 | 93rd US Open | B23 Sicilian, Closed |
| 43. R O'Donnell vs A Marthinsen |
| 1-0 | 32 | 1992 | 93rd US Open | E97 King's Indian |
| 44. R O'Donnell vs R Stone |
| ½-½ | 27 | 1992 | 93rd US Open | D85 Grunfeld |
| 45. N Rogers vs R O'Donnell |
| 1-0 | 31 | 1992 | 93rd US Open | B89 Sicilian |
| 46. Denker vs R O'Donnell |
| 1-0 | 24 | 1992 | 93rd US Open | A47 Queen's Indian |
| 47. R O'Donnell vs M White |
| 1-0 | 41 | 1992 | 93rd US Open | E97 King's Indian |
| 48. A Bisguier vs R O'Donnell |
| 1-0 | 23 | 1992 | 93rd US Open | E12 Queen's Indian |
| 49. R O'Donnell vs A C Chow |
| 0-1 | 16 | 1994 | Chicago op | E12 Queen's Indian |
| 50. Shabalov vs R O'Donnell |
| 1-0 | 23 | 1994 | Chicago Int 3rd | B64 Sicilian, Richter-Rauzer Attack |
Kibitzing
