| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. L David Truesdel vs L Christiansen |
 | 0-1 | 28 | 1974 | Southern Open | A22 English |
| 27. L Christiansen vs J N Jacobs |
| 0-1 | 27 | 1974 | Lone Pine | A13 English |
| 28. L Christiansen vs R Newbold |
| ½-½ | 49 | 1974 | Lone Pine | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 29. L Christiansen vs R E Fauber |
| 1-0 | 32 | 1974 | Lone Pine | A15 English |
| 30. L Christiansen vs De Peaza |
| 1-0 | 37 | 1974 | US CF Open | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 31. F Casten vs L Christiansen |
| 1-0 | 36 | 1974 | 75th US Open | A02 Bird's Opening |
| 32. O W Manney vs L Christiansen |
| 0-1 | 14 | 1974 | American Open | B32 Sicilian |
| 33. L Christiansen vs C Barnes |
| 0-1 | 50 | 1974 | American Open | D32 Queen's Gambit Declined, Tarrasch |
| 34. Browne vs L Christiansen |
| 1-0 | 42 | 1975 | Paul Masson op | B61 Sicilian, Richter-Rauzer, Larsen Variation, 7.Qd2 |
| 35. L Christiansen vs A Saidy |
| 1-0 | 34 | 1975 | USA | B17 Caro-Kann, Steinitz Variation |
| 36. P Mundell vs L Christiansen |
| ½-½ | 54 | 1975 | Pan-American Youth Championship | D94 Grunfeld |
| 37. L Christiansen vs H Bravo Sedamanos |
| 1-0 | 40 | 1975 | Pan-American Youth Championship | A07 King's Indian Attack |
| 38. D S Botto vs L Christiansen |
 | 0-1 | 22 | 1975 | Pan-American Youth Championship | B61 Sicilian, Richter-Rauzer, Larsen Variation, 7.Qd2 |
| 39. L Christiansen vs J Gomez Baillo |
| 0-1 | 39 | 1975 | Pan-American Youth Championship | B30 Sicilian |
| 40. A Pantoja vs L Christiansen |
| 0-1 | 30 | 1975 | Pan-American Youth Championship | A56 Benoni Defense |
| 41. L Christiansen vs J Sunye Neto |
| ½-½ | 41 | 1975 | Pan-American Youth Championship | B85 Sicilian, Scheveningen, Classical |
| 42. J F Villarreal Felix vs L Christiansen |
| 1-0 | 49 | 1975 | Pan-American Youth Championship | B23 Sicilian, Closed |
| 43. F Tosan Pereira vs L Christiansen |
| 0-1 | 20 | 1975 | Pan-American Youth Championship | B25 Sicilian, Closed |
| 44. L Christiansen vs R Cifuentes |
| ½-½ | 44 | 1975 | Pan-American Youth Championship | B08 Pirc, Classical |
| 45. L Christiansen vs N Weinstein |
| ½-½ | 40 | 1975 | Cleveland | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 46. L Christiansen vs J Grefe |
| 0-1 | 40 | 1975 | Cleveland | A49 King's Indian, Fianchetto without c4 |
| 47. T Weinberger vs L Christiansen |
| 0-1 | 50 | 1975 | Cleveland | E62 King's Indian, Fianchetto |
| 48. E Torre vs L Christiansen |
| 1-0 | 42 | 1975 | Cleveland | B30 Sicilian |
| 49. Quinteros vs L Christiansen |
| 0-1 | 39 | 1975 | Cleveland | D34 Queen's Gambit Declined, Tarrasch |
| 50. Csom vs L Christiansen |
| ½-½ | 15 | 1975 | Cleveland | A46 Queen's Pawn Game |
Kibitzing
