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| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. M Mukhin vs Jansa |
| ½-½ | 36 | 1973 | Primorsko | D87 Grunfeld, Exchange |
| 2. Razuvaev vs Jansa |
| ½-½ | 27 | 1979 | Rubinstein Memorial 17th | D87 Grunfeld, Exchange |
| 3. P Lukacs vs Jansa |
| 1-0 | 35 | 1982 | Baile Herculane Zonal | D87 Grunfeld, Exchange |
| 4. Pribyl vs Jansa |
| ½-½ | 17 | 1982 | CSR-ch | D87 Grunfeld, Exchange |
| 5. L Christiansen vs Jansa |
| 1-0 | 40 | 1982 | Lucerne Olympiad | D87 Grunfeld, Exchange |
| 6. Paunovic vs Jansa |
| 0-1 | 83 | 1983 | Vrnjacka Banja | D87 Grunfeld, Exchange |
| 7. R Knaak vs Jansa |
| 1-0 | 26 | 1983 | CSR-ch International | D87 Grunfeld, Exchange |
| 8. Pinter vs Jansa |
 | ½-½ | 73 | 1985 | Prague Zonal | D87 Grunfeld, Exchange |
| 9. M Herich vs Jansa |
| 0-1 | 41 | 1987 | Nuremberg | D87 Grunfeld, Exchange |
| 10. J Lechtynsky vs Jansa |
| ½-½ | 38 | 1987 | Namestovo | D87 Grunfeld, Exchange |
| 11. G Johnsen vs Jansa |
| ½-½ | 27 | 2006 | World Senior Championship | D87 Grunfeld, Exchange |
| 12. Hracek vs Jansa |
| 1-0 | 42 | 2011 | 12th European Individual Championship | D87 Grunfeld, Exchange |
| 13. S Svensson vs Jansa |
| 0-1 | 88 | 2011 | 21st World Seniors Championship | D87 Grunfeld, Exchange |
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Kibitzing
