| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. L Kaufman vs Kavalek |
 | 0-1 | 23 | 1972 | United States Championship | A21 English |
| 27. L Kaufman vs R Byrne |
| 0-1 | 52 | 1972 | United States Championship | C09 French, Tarrasch, Open Variation, Main line |
| 28. Benko vs L Kaufman |
| 1-0 | 39 | 1972 | United States Championship | D47 Queen's Gambit Declined Semi-Slav |
| 29. L Kaufman vs G DeFotis |
| 0-1 | 42 | 1972 | United States Championship | B53 Sicilian |
| 30. E Mednis vs L Kaufman |
| ½-½ | 23 | 1972 | United States Championship | B92 Sicilian, Najdorf, Opocensky Variation |
| 31. A Malachi vs L Kaufman |
| 0-1 | 59 | 1972 | World Student Team Championship Final-A | B81 Sicilian, Scheveningen, Keres Attack |
| 32. L Kaufman vs M Podgaets |
| 0-1 | 48 | 1972 | World Student Team Championship Final-A | B08 Pirc, Classical |
| 33. L Kaufman vs Larsen |
| 0-1 | 61 | 1972 | Eastern open | A14 English |
| 34. A Soltis vs L Kaufman |
| 1-0 | 59 | 1973 | Senior Masters Invitational | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 35. L Kaufman vs C Chellstorp |
| ½-½ | 22 | 1973 | Chicago USCF International | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 36. G Sigurjonsson vs L Kaufman |
| 1-0 | 32 | 1973 | Chicago USCF International | B93 Sicilian, Najdorf, 6.f4 |
| 37. L Kaufman vs N Weinstein |
| 0-1 | 59 | 1973 | Chicago USCF International | B61 Sicilian, Richter-Rauzer, Larsen Variation, 7.Qd2 |
| 38. A Soltis vs L Kaufman |
| 0-1 | 43 | 1973 | Chicago USCF International | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 39. Suttles vs L Kaufman |
| 1-0 | 62 | 1973 | Chicago USCF International | A07 King's Indian Attack |
| 40. L Kaufman vs A Karklins |
| 1-0 | 42 | 1973 | Chicago USCF International | C96 Ruy Lopez, Closed |
| 41. L Kaufman vs K Commons |
| 0-1 | 58 | 1973 | Chicago USCF International | B08 Pirc, Classical |
| 42. L Kaufman vs N Karaklajic |
| ½-½ | 59 | 1973 | Chicago USCF International | B01 Scandinavian |
| 43. G DeFotis vs L Kaufman |
| ½-½ | 22 | 1973 | Chicago USCF International | D73 Neo-Grunfeld, 5.Nf3 |
| 44. Z Vranesic vs L Kaufman |
| 1-0 | 37 | 1973 | Chicago USCF International | D94 Grunfeld |
| 45. L Kaufman vs J Tarjan |
| ½-½ | 12 | 1973 | Chicago USCF International | C92 Ruy Lopez, Closed |
| 46. C B Jones vs L Kaufman |
| 0-1 | 24 | 1974 | Lone Pine | B82 Sicilian, Scheveningen |
| 47. K Commons vs L Kaufman |
| 0-1 | 38 | 1974 | Los Angeles | B14 Caro-Kann, Panov-Botvinnik Attack |
| 48. Gheorghiu vs L Kaufman |
| ½-½ | 63 | 1974 | Los Angeles | C92 Ruy Lopez, Closed |
| 49. A Saidy vs L Kaufman |
| 1-0 | 44 | 1974 | Los Angeles | A32 English, Symmetrical Variation |
| 50. Gligoric vs L Kaufman |
| 1-0 | 32 | 1974 | Los Angeles | D87 Grunfeld, Exchange |
Kibitzing
