| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. J Ulko vs A Korotylev |
| 0-1 | 23 |
1995 |
Moscow-ch op | A40 Queen's Pawn Game |
| 2. Kholmov vs J Ulko |
| 1-0 | 51 |
1997 |
Moscow-ch | B01 Scandinavian |
| 3. J Ulko vs M Brodsky |
| 0-1 | 63 |
1998 |
RUS-Cup06 | E29 Nimzo-Indian, Samisch |
| 4. Razuvaev vs J Ulko |
| ½-½ | 49 |
1998 |
RUS-Cup02 | E88 King's Indian, Samisch, Orthodox, 7.d5 c6 |
| 5. A Korotylev vs J Ulko |
| 1-0 | 50 |
1999 |
Ch Moscow, Moscow (Russia) | E68 King's Indian, Fianchetto, Classical Variation, 8.e4 |
| 6. J Ulko vs Chekhov |
| 0-1 | 49 |
1999 |
Pripis mem | A41 Queen's Pawn Game (with ...d6) |
| 7. J Ulko vs A Gelman |
| ½-½ | 16 |
1999 |
Ch Moscow, Moscow (Russia) | A41 Queen's Pawn Game (with ...d6) |
| 8. J Ulko vs E Najer |
| ½-½ | 38 |
1999 |
Ch Moscow, Moscow (Russia) | D90 Grunfeld |
| 9. J Ulko vs Y Rumiancev |
| 1-0 | 27 |
1999 |
Ch Moscow, Moscow (Russia) | E94 King's Indian, Orthodox |
| 10. Kiriakov vs J Ulko |
| 1-0 | 41 |
1999 |
Geller Memorial | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 11. M Notkin vs J Ulko |
| ½-½ | 38 |
1999 |
Ch Moscow, Moscow (Russia) | E88 King's Indian, Samisch, Orthodox, 7.d5 c6 |
| 12. J Ulko vs Cherniaev |
| ½-½ | 23 |
1999 |
Ch Moscow, Moscow (Russia) | E44 Nimzo-Indian, Fischer Variation, 5.Ne2 |
| 13. A Korotylev vs J Ulko |
| 0-1 | 51 |
1999 |
Pripis mem | D22 Queen's Gambit Accepted |
| 14. J Ulko vs V Zakharov |
| 0-1 | 31 |
1999 |
Ch Moscow, Moscow (Russia) | D40 Queen's Gambit Declined, Semi-Tarrasch |
| 15. A Shchekachev vs J Ulko |
 | 0-1 | 30 |
1999 |
Ch Moscow, Moscow (Russia) | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 16. J Ulko vs R Sherbakov |
| ½-½ | 17 |
2000 |
Chigorin Memorial | D16 Queen's Gambit Declined Slav |
| 17. M Brodsky vs J Ulko |
| ½-½ | 19 |
2000 |
Chigorin mem op | C64 Ruy Lopez, Classical |
| 18. J Ulko vs V Popov |
| ½-½ | 8 |
2000 |
RUS-chT1 | D17 Queen's Gambit Declined Slav |
| 19. J Ulko vs M Sorokin |
| 1-0 | 30 |
2000 |
Chigorin Memorial | E45 Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation |
| 20. S Volkov vs J Ulko |
| 0-1 | 45 |
2000 |
Chigorin Memorial | E25 Nimzo-Indian, Samisch |
| 21. J Ulko vs Dolmatov |
| ½-½ | 4 |
2000 |
Chigorin Memorial | C01 French, Exchange |
| 22. E Najer vs J Ulko |
| ½-½ | 22 |
2000 |
Chigorin Memorial | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 23. J Ulko vs V Kalinin |
| 1-0 | 35 |
2001 |
Chigorin mem open | A53 Old Indian |
| 24. S Zablotsky vs J Ulko |
| ½-½ | 40 |
2001 |
Chigorin mem open | A33 English, Symmetrical |
| 25. J Ulko vs V Belov |
| 1-0 | 28 |
2001 |
Memorial E Geller op | D17 Queen's Gambit Declined Slav |