| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. A Soltis vs G DeFotis |
| ½-½ | 26 | 1973 | Chicago USCF International | B98 Sicilian, Najdorf |
| 52. G DeFotis vs G Sigurjonsson |
| ½-½ | 17 | 1973 | Chicago USCF International | A07 King's Indian Attack |
| 53. G DeFotis vs Suttles |
 | 1-0 | 43 | 1973 | Chicago USCF International | A00 Uncommon Opening |
| 54. G DeFotis vs N Karaklajic |
| 0-1 | 60 | 1973 | Chicago USCF International | A45 Queen's Pawn Game |
| 55. N Weinstein vs G DeFotis |
| 1-0 | 47 | 1973 | Chicago USCF International | B98 Sicilian, Najdorf |
| 56. Z Vranesic vs G DeFotis |
| ½-½ | 41 | 1973 | Chicago USCF International | A88 Dutch, Leningrad, Main Variation with c6 |
| 57. G DeFotis vs L Kaufman |
| ½-½ | 22 | 1973 | Chicago USCF International | D73 Neo-Grunfeld, 5.Nf3 |
| 58. C Chellstorp vs G DeFotis |
| ½-½ | 15 | 1973 | Chicago USCF International | A00 Uncommon Opening |
| 59. K Commons vs G DeFotis |
| ½-½ | 25 | 1973 | Chicago USCF International | B93 Sicilian, Najdorf, 6.f4 |
| 60. L Quigley vs G DeFotis |
| 0-1 | 29 | 1985 | Midwest Masters | A80 Dutch |
| 61. G DeFotis vs J Readey |
| ½-½ | 69 | 1985 | Midwest Masters | A45 Queen's Pawn Game |
| 62. K Bachler vs G DeFotis |
| 1-0 | 47 | 1985 | Midwest Masters | A07 King's Indian Attack |
| 63. G DeFotis vs M Zelkind |
| 1-0 | 47 | 1985 | Midwest Masters | C26 Vienna |
| 64. J Rose vs G DeFotis |
| 0-1 | 41 | 1985 | Midwest Masters | B90 Sicilian, Najdorf |
| 65. G DeFotis vs I Kreitner |
| 1-0 | 22 | 1985 | New York Open | A41 Queen's Pawn Game (with ...d6) |
| 66. Benjamin vs G DeFotis |
| 1-0 | 31 | 1985 | New York Open | A80 Dutch |
| 67. G DeFotis vs E Martinovsky |
| 1-0 | 46 | 1986 | Illinois | A00 Uncommon Opening |
| 68. A C Chow vs G DeFotis |
| ½-½ | 25 | 1986 | Illinois | A88 Dutch, Leningrad, Main Variation with c6 |
| 69. G DeFotis vs E Schiller |
| ½-½ | 27 | 1986 | International Tournament | A00 Uncommon Opening |
| 70. G DeFotis vs A C Chow |
| ½-½ | 25 | 1987 | Illinois | B02 Alekhine's Defense |
| 71. E Martinovsky vs G DeFotis |
| 1-0 | 61 | 1987 | Illinois | A49 King's Indian, Fianchetto without c4 |
| 72. B Colias vs G DeFotis |
| ½-½ | 28 | 1987 | Illinois | B93 Sicilian, Najdorf, 6.f4 |
| 73. G Umezinwa vs G DeFotis |
| ½-½ | 33 | 1987 | Midwest Masters op | A88 Dutch, Leningrad, Main Variation with c6 |
| 74. E Martinovsky vs G DeFotis |
| ½-½ | 69 | 1988 | Illinois | A46 Queen's Pawn Game |
| 75. G DeFotis vs A C Chow |
| ½-½ | 24 | 1988 | Illinois | A00 Uncommon Opening |
Kibitzing
