| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. J Tarjan vs C Pritchett |
| ½-½ | 28 | 1969 | World Student Team Championship qual-3 | C33 King's Gambit Accepted |
| 27. R Bandal vs J Tarjan |
 | 1-0 | 50 | 1969 | World Student Team Championship qual-3 | B03 Alekhine's Defense |
| 28. J Tarjan vs S Ivanov |
| ½-½ | 28 | 1969 | World Student Team Championship Final-A | C33 King's Gambit Accepted |
| 29. J Tarjan vs Ljubojevic |
 | 0-1 | 27 | 1969 | World Student Team Championship Final-A | B56 Sicilian |
| 30. V Jensen vs J Tarjan |
| 0-1 | 41 | 1969 | World Student Team Championship Final-A | C44 King's Pawn Game |
| 31. E Mozes vs J Tarjan |
| 1-0 | 22 | 1969 | World Student Team Championship Final-A | A07 King's Indian Attack |
| 32. A Benson vs J Tarjan |
| 1-0 | 32 | 1970 | Master Invitational 7071 | C19 French, Winawer, Advance |
| 33. J Tarjan vs S Johansson |
| 1-0 | 36 | 1970 | WchT U26 17th | D11 Queen's Gambit Declined Slav |
| 34. J Tarjan vs B Kristjansson |
| 0-1 | 20 | 1970 | WchT U26 17th | D91 Grunfeld, 5.Bg5 |
| 35. J Narbel vs J Tarjan |
| 0-1 | 70 | 1970 | WchT U26 17th | E00 Queen's Pawn Game |
| 36. J Tarjan vs C Capps |
| 1-0 | 25 | 1970 | Mechanics' Institute | E46 Nimzo-Indian |
| 37. J Tarjan vs K Rogoff |
| 1-0 | 27 | 1971 | USA-ch U18 | B07 Pirc |
| 38. D L Oppedal vs J Tarjan |
| 0-1 | 39 | 1971 | LERA Sunnyvale | A75 Benoni, Classical with ...a6 and 10...Bg4 |
| 39. J Tarjan vs M Mills |
| 1-0 | 41 | 1971 | Fresno | D00 Queen's Pawn Game |
| 40. J Grefe vs J Tarjan |
| 1-0 | 30 | 1971 | National Open | C73 Ruy Lopez, Modern Steinitz Defense |
| 41. C B Jones vs J Tarjan |
| 0-1 | 41 | 1971 | Lone Pine | B09 Pirc, Austrian Attack |
| 42. J Tarjan vs Browne |
| 1-0 | 46 | 1971 | Lone Pine | A07 King's Indian Attack |
| 43. W Martz vs J Tarjan |
| 0-1 | 29 | 1971 | Lone Pine | A22 English |
| 44. J Tarjan vs Evans |
| 0-1 | 39 | 1971 | Lone Pine | B23 Sicilian, Closed |
| 45. J Tarjan vs F Rattinger |
| 1-0 | 15 | 1971 | World Student Team Championship Final-A | B23 Sicilian, Closed |
| 46. J Tarjan vs M J Regan |
| 1-0 | 47 | 1971 | 72nd US Open | C00 French Defense |
| 47. C Barnes vs J Tarjan |
| 0-1 | 38 | 1971 | 72nd US Open | A00 Uncommon Opening |
| 48. J Tarjan vs D R Jacobs |
| 0-1 | 41 | 1971 | 72nd US Open | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 49. D Presser vs J Tarjan |
| ½-½ | 39 | 1971 | 72nd US Open | A22 English |
| 50. J Tarjan vs S Rubin |
| 1-0 | 41 | 1971 | 72nd US Open | C96 Ruy Lopez, Closed |
Kibitzing
