| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. L Bass vs D Sprenkle |
| 1-0 | 26 | 1982 | Illinois Futurity | A52 Budapest Gambit |
| 27. A C Chow vs L Bass |
 | 0-1 | 41 | 1982 | Illinois Futurity | E54 Nimzo-Indian, 4.e3, Gligoric System |
| 28. C Brasket vs L Bass |
| 1-0 | 43 | 1982 | Illinois Futurity | A08 King's Indian Attack |
| 29. L Bass vs J Silman |
| 1-0 | 38 | 1982 | Illinois Futurity | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 30. K Larsen vs L Bass |
| 0-1 | 36 | 1982 | Midwest Masters | B21 Sicilian, 2.f4 and 2.d4 |
| 31. L Bass vs M Dandridge |
| 1-0 | 32 | 1982 | Midwest Masters | D51 Queen's Gambit Declined |
| 32. L Bass vs D Rubin |
| 1-0 | 31 | 1982 | Midwest Masters | D60 Queen's Gambit Declined, Orthodox Defense |
| 33. J Rose vs L Bass |
| ½-½ | 28 | 1982 | Midwest Masters | B42 Sicilian, Kan |
| 34. L Kaushansky vs L Bass |
| ½-½ | 25 | 1982 | Midwest Masters | B41 Sicilian, Kan |
| 35. L Bass vs Dlugy |
| 1-0 | 23 | 1983 | Gausdal International | D31 Queen's Gambit Declined |
| 36. L Bass vs Alburt |
| ½-½ | 77 | 1983 | New York Kavkasian | A57 Benko Gambit |
| 37. M Hebden vs L Bass |
| ½-½ | 42 | 1983 | New York Kavkasian | B14 Caro-Kann, Panov-Botvinnik Attack |
| 38. I Ivanov vs L Bass |
| ½-½ | 31 | 1983 | New York Kavkasian | A15 English |
| 39. L Bass vs Kudrin |
| ½-½ | 24 | 1983 | Hamar op | E45 Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation |
| 40. L Bass vs K Burger |
| 1-0 | 33 | 1983 | New York Kavkasian | D99 Grunfeld Defense, Smyslov |
| 41. Kudrin vs L Bass |
| ½-½ | 11 | 1983 | New York Kavkasian | E01 Catalan, Closed |
| 42. L Bass vs Shamkovich |
| ½-½ | 15 | 1983 | New York Kavkasian | E16 Queen's Indian |
| 43. L Bass vs de Firmian |
| 0-1 | 36 | 1983 | Hamar op | E45 Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation |
| 44. L Bass vs K Spraggett |
| 1-0 | 41 | 1983 | New York Kavkasian | E99 King's Indian, Orthodox, Taimanov |
| 45. V Zaltsman vs L Bass |
| ½-½ | 41 | 1983 | New York Kavkasian | E11 Bogo-Indian Defense |
| 46. L Bass vs Lobron |
| ½-½ | 33 | 1983 | New York Kavkasian | A61 Benoni |
| 47. L Bass vs R Henley |
| 0-1 | 53 | 1983 | New York Kavkasian | D99 Grunfeld Defense, Smyslov |
| 48. R Byrne vs L Bass |
| ½-½ | 18 | 1983 | New York Kavkasian | B44 Sicilian |
| 49. A Zapata vs L Bass |
| 1-0 | 57 | 1983 | New York Kavkasian | B83 Sicilian |
| 50. L Bass vs K Thorsteins |
| 1-0 | 35 | 1983 | Hamar op | E45 Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation |
Kibitzing
