| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. G Chalkhaasuren vs P Gebauer |
| ½-½ | 30 | 1962 | Varna Olympiad Final-B | C64 Ruy Lopez, Classical |
| 27. G Chalkhaasuren vs T Serra Olives |
| ½-½ | 32 | 1962 | Varna Olympiad Final-B | C98 Ruy Lopez, Closed, Chigorin |
| 28. I Calero vs G Chalkhaasuren |
| ½-½ | 30 | 1962 | Varna Olympiad Final-B | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
| 29. G Chalkhaasuren vs F Guerrero |
| 1-0 | 32 | 1964 | Tel Aviv Olympiad qual-2 | C18 French, Winawer |
| 30. E Cobo Arteaga vs G Chalkhaasuren |
| 1-0 | 55 | 1964 | Tel Aviv Olympiad Final-B | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 31. G Chalkhaasuren vs F Pinzon |
| 0-1 | 39 | 1964 | Tel Aviv Olympiad Final-B | C89 Ruy Lopez, Marshall |
| 32. S From vs G Chalkhaasuren |
| ½-½ | 58 | 1964 | Tel Aviv Olympiad Final-B | C97 Ruy Lopez, Closed, Chigorin |
| 33. G Chalkhaasuren vs E De Castro |
| 0-1 | 47 | 1964 | Tel Aviv Olympiad Final-B | B43 Sicilian, Kan, 5.Nc3 |
| 34. G Moehring vs G Chalkhaasuren |
| ½-½ | 74 | 1964 | Tel Aviv Olympiad Final-B | C55 Two Knights Defense |
| 35. G Chalkhaasuren vs F Winiwarter |
| 0-1 | 41 | 1964 | Tel Aviv Olympiad Final-B | C97 Ruy Lopez, Closed, Chigorin |
| 36. O M Hindle vs G Chalkhaasuren |
| ½-½ | 46 | 1964 | Tel Aviv Olympiad Final-B | C84 Ruy Lopez, Closed |
| 37. G Chalkhaasuren vs A Espinoza |
| 1-0 | 29 | 1964 | Tel Aviv Olympiad Final-B | C43 Petrov, Modern Attack |
| 38. T Yepez vs G Chalkhaasuren |
| 1-0 | 24 | 1964 | Tel Aviv Olympiad Final-B | D37 Queen's Gambit Declined |
| 39. B Jansson vs G Chalkhaasuren |
 | 1-0 | 22 | 1964 | Tel Aviv Olympiad Final-B | C84 Ruy Lopez, Closed |
| 40. K Janetschek vs G Chalkhaasuren |
| 1-0 | 40 | 1966 | Havana Olympiad qual-2 | C64 Ruy Lopez, Classical |
| 41. G Chalkhaasuren vs I Ibrahimoglu |
| ½-½ | 21 | 1966 | Havana Olympiad qual-2 | B18 Caro-Kann, Classical |
| 42. G Chalkhaasuren vs K Mohsen |
| 0-1 | 22 | 1966 | Havana Olympiad Final-C | B80 Sicilian, Scheveningen |
| 43. I Ibrahimoglu vs G Chalkhaasuren |
| 1-0 | 28 | 1966 | Havana Olympiad Final-C | C91 Ruy Lopez, Closed |
| 44. G Chalkhaasuren vs B Kerr |
| 1-0 | 22 | 1966 | Havana Olympiad Final-C | C11 French |
| 45. G Chalkhaasuren vs E Greiveldinger |
| ½-½ | 27 | 1966 | Havana Olympiad Final-C | C16 French, Winawer |
Kibitzing
