| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Y Yakovich vs A Raetsky |
| 0-1 | 40 |
1988 |
RSFSR-ch | E20 Nimzo-Indian |
| 2. Y Yakovich vs Kholmov |
| ½-½ | 16 |
1988 |
RSFSR-ch | E20 Nimzo-Indian |
| 3. Y Yakovich vs A Budnikov |
| 1-0 | 26 |
1988 |
RSFSR-ch | E20 Nimzo-Indian |
| 4. Y Yakovich vs A Jovic |
| 1-0 | 41 |
1988 |
Belgrade GMA op | E20 Nimzo-Indian |
| 5. Y Yakovich vs Vyzmanavin |
| ½-½ | 41 |
1988 |
Ch URS (select) | E20 Nimzo-Indian |
| 6. Y Yakovich vs A Brkljaca |
| ½-½ | 52 |
1988 |
Belgrade GMA op | E20 Nimzo-Indian |
| 7. Y Yakovich vs G Timoshenko |
| 1-0 | 61 |
1989 |
Podolsk GMA-qual | E25 Nimzo-Indian, Samisch |
| 8. Y Yakovich vs A Minasian |
| 0-1 | 30 |
1991 |
URS-ch58 | E20 Nimzo-Indian |
| 9. Y Yakovich vs Serper |
| 1-0 | 28 |
1991 |
URS-ch58 | E25 Nimzo-Indian, Samisch |
| 10. Y Yakovich vs Karpov |
| 0-1 | 32 |
1992 |
active, It , Moscow (Russia) | E32 Nimzo-Indian, Classical |
| 11. Y Yakovich vs S Smagin |
| 0-1 | 39 |
1992 |
Copenhagen op 14th | E32 Nimzo-Indian, Classical |
| 12. Y Yakovich vs Yusupov |
| 0-1 | 36 |
1993 |
Oviedo rapid | E25 Nimzo-Indian, Samisch |
| 13. Y Yakovich vs Dreev |
| 0-1 | 32 |
1995 |
RUS-ch Elista | E54 Nimzo-Indian, 4.e3, Gligoric System |
| 14. Y Yakovich vs M Sorokin |
| 0-1 | 62 |
2001 |
open | E20 Nimzo-Indian |
| 15. Y Yakovich vs Chandler |
| ½-½ | 18 |
2001 |
IV It | E25 Nimzo-Indian, Samisch |
| 16. Y Yakovich vs Campora |
| 1-0 | 67 |
2001 |
IV It | E25 Nimzo-Indian, Samisch |
| 17. Y Yakovich vs G Tunik |
| ½-½ | 36 |
2002 |
Russian Championships | E20 Nimzo-Indian |
| 18. Y Yakovich vs A Lugovoi |
| ½-½ | 25 |
2002 |
Russian Championships | E25 Nimzo-Indian, Samisch |
| 19. Y Yakovich vs Mikhail Rytchagov |
| 1-0 | 40 |
2002 |
Stockholm International | E32 Nimzo-Indian, Classical |
| 20. Y Yakovich vs Motylev |
| ½-½ | 27 |
2003 |
56th Russian Championships | E54 Nimzo-Indian, 4.e3, Gligoric System |
| 21. Y Yakovich vs Baklan |
| ½-½ | 11 |
2003 |
Noyabrsk Fakel Jamala | E58 Nimzo-Indian, 4.e3, Main line with 8...Bxc3 |
| 22. Y Yakovich vs Sadvakasov |
| ½-½ | 39 |
2005 |
Paris Championship | E34 Nimzo-Indian, Classical, Noa Variation |
| 23. Y Yakovich vs S Vijayalakshmi |
| 0-1 | 43 |
2005 |
Paris Championship | E32 Nimzo-Indian, Classical |
| 24. Y Yakovich vs I Khairullin |
| ½-½ | 65 |
2007 |
Russian Championship Higher League | E21 Nimzo-Indian, Three Knights |
| 25. Y Yakovich vs A Rychagov |
| ½-½ | 29 |
2007 |
Russian Championship Higher League | E54 Nimzo-Indian, 4.e3, Gligoric System |