| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. A Beni vs Ujtumen |
| ½-½ | 41 | 1964 | Tel Aviv Olympiad qual-2 | D02 Queen's Pawn Game |
| 27. Ujtumen vs J Camarena |
| 1-0 | 53 | 1964 | Tel Aviv Olympiad qual-2 | B43 Sicilian, Kan, 5.Nc3 |
| 28. G Salazar vs Ujtumen |
| 0-1 | 54 | 1964 | Tel Aviv Olympiad qual-2 | A15 English |
| 29. F J Perez vs Ujtumen |
 | 0-1 | 27 | 1964 | Tel Aviv Olympiad Final-B | C80 Ruy Lopez, Open |
| 30. Ujtumen vs E Saguier |
| 0-1 | 39 | 1964 | Tel Aviv Olympiad Final-B | B60 Sicilian, Richter-Rauzer |
| 31. A Zwaig vs Ujtumen |
| 0-1 | 39 | 1964 | Tel Aviv Olympiad Final-B | C45 Scotch Game |
| 32. Ujtumen vs J Ascencios |
| 1-0 | 51 | 1964 | Tel Aviv Olympiad Final-B | B00 Uncommon King's Pawn Opening |
| 33. Ujtumen vs M Borja |
| 1-0 | 33 | 1964 | Tel Aviv Olympiad Final-B | B32 Sicilian |
| 34. H Liebert vs Ujtumen |
| 0-1 | 39 | 1964 | Tel Aviv Olympiad Final-B | C82 Ruy Lopez, Open |
| 35. Ujtumen vs F Gragger |
| ½-½ | 66 | 1964 | Tel Aviv Olympiad Final-B | B46 Sicilian, Taimanov Variation |
| 36. M Fallone vs Ujtumen |
| 0-1 | 41 | 1964 | Tel Aviv Olympiad Final-B | D02 Queen's Pawn Game |
| 37. Ujtumen vs C Kottnauer |
| ½-½ | 42 | 1964 | Tel Aviv Olympiad Final-B | B45 Sicilian, Taimanov |
| 38. Ujtumen vs W Ader Hausman |
| 1-0 | 54 | 1964 | Tel Aviv Olympiad Final-B | C95 Ruy Lopez, Closed, Breyer |
| 39. N Garces vs Ujtumen |
| 0-1 | 34 | 1964 | Tel Aviv Olympiad Final-B | D37 Queen's Gambit Declined |
| 40. Ujtumen vs Antoshin |
| 0-1 | 61 | 1965 | Ulan Bator | B45 Sicilian, Taimanov |
| 41. A Tsvetkov vs Ujtumen |
| 0-1 | 43 | 1965 | Ulan Bator | C27 Vienna Game |
| 42. Ujtumen vs B Vladimirov |
| ½-½ | 41 | 1965 | Ulan Bator | B43 Sicilian, Kan, 5.Nc3 |
| 43. Ujtumen vs Y Kotkov |
| ½-½ | 76 | 1965 | Chigorin Memorial | B43 Sicilian, Kan, 5.Nc3 |
| 44. Ujtumen vs M Damjanovic |
| 0-1 | 34 | 1965 | Chigorin Memorial | B43 Sicilian, Kan, 5.Nc3 |
| 45. S Garcia Martinez vs Ujtumen |
| 1-0 | 43 | 1965 | Chigorin Memorial | C92 Ruy Lopez, Closed |
| 46. Ujtumen vs Antoshin |
| ½-½ | 46 | 1965 | Chigorin Memorial | C16 French, Winawer |
| 47. Ujtumen vs A Lein |
 | 0-1 | 24 | 1965 | Chigorin Memorial | C61 Ruy Lopez, Bird's Defense |
| 48. Ujtumen vs B Malich |
| ½-½ | 58 | 1965 | Chigorin Memorial | C78 Ruy Lopez |
| 49. Unzicker vs Ujtumen |
| ½-½ | 57 | 1965 | Chigorin Memorial | C79 Ruy Lopez, Steinitz Defense Deferred |
| 50. D Ciric vs Ujtumen |
| ½-½ | 35 | 1965 | Chigorin Memorial | C82 Ruy Lopez, Open |
Kibitzing
