| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Grigoriants vs V Akobian |
 | 1-0 | 99 |
1993 |
Wch U10 | C05 French, Tarrasch |
| 2. Grigoriants vs Aronian |
| ½-½ | 30 |
1995 |
Moscow7 | B76 Sicilian, Dragon, Yugoslav Attack |
| 3. Grigoriants vs V Malakhov |
| 0-1 | 24 |
1996 |
RUS-Cup2 | B27 Sicilian |
| 4. Grigoriants vs K Maslak |
| 1-0 | 34 |
1997 |
RUS-ch U16 | B43 Sicilian, Kan, 5.Nc3 |
| 5. Grigoriants vs Savon |
| ½-½ | 12 |
1999 |
Orel | C65 Ruy Lopez, Berlin Defense |
| 6. Chekhov vs Grigoriants |
| ½-½ | 21 |
1999 |
Pripis mem | D66 Queen's Gambit Declined, Orthodox Defense, Bd3 line |
| 7. Grigoriants vs A Korotylev |
 | 0-1 | 19 |
1999 |
Pripis mem | B07 Pirc |
| 8. Grigoriants vs V Akobian |
| 1-0 | 69 |
1999 |
EU-ch U16 | C09 French, Tarrasch, Open Variation, Main line |
| 9. Grigoriants vs M Dziuba |
| ½-½ | 23 |
2000 |
European Youth Championships | A20 English |
| 10. Y Kruppa vs Grigoriants |
| ½-½ | 19 |
2000 |
RUS Cup final 4th | D31 Queen's Gambit Declined |
| 11. Sadvakasov vs Grigoriants |
| 1-0 | 37 |
2000 |
Subotica 21st Century | B33 Sicilian |
| 12. Grigoriants vs F Mirzakouliev |
| 1-0 | 32 |
2000 |
European Youth Championships | C61 Ruy Lopez, Bird's Defense |
| 13. Grigoriants vs Sadvakasov |
 | 0-1 | 34 |
2000 |
Subotica 21st Century | A22 English |
| 14. A Gordin vs Grigoriants |
| ½-½ | 32 |
2000 |
European Youth Championships | E31 Nimzo-Indian, Leningrad, Main line |
| 15. K Jakubowski vs Grigoriants |
| ½-½ | 20 |
2000 |
European Youth Championships | B54 Sicilian |
| 16. Ar Kiselev vs Grigoriants |
| ½-½ | 11 |
2001 |
Chigorin mem open | A14 English |
| 17. T Kosintseva vs Grigoriants |
| ½-½ | 32 |
2001 |
RUS-ch U20 | B30 Sicilian |
| 18. S Khavsky vs Grigoriants |
| ½-½ | 25 |
2001 |
Chigorin mem open | A46 Queen's Pawn Game |
| 19. S Kasparov vs Grigoriants |
| 1-0 | 38 |
2001 |
Kiev it | E46 Nimzo-Indian |
| 20. V Weetik vs Grigoriants |
| 0-1 | 42 |
2001 |
Chigorin mem open | A07 King's Indian Attack |
| 21. I Lysyj vs Grigoriants |
| ½-½ | 109 |
2001 |
Chigorin mem open | E11 Bogo-Indian Defense |
| 22. Y Kruppa vs Grigoriants |
| ½-½ | 23 |
2001 |
Kiev it | E32 Nimzo-Indian, Classical |
| 23. Grigoriants vs V Turikov |
| 1-0 | 44 |
2001 |
Chigorin mem open | B07 Pirc |
| 24. Grigoriants vs E Najer |
| 0-1 | 52 |
2001 |
Chigorin mem open | A25 English |
| 25. Grigoriants vs G Timoshenko |
| 0-1 | 35 |
2001 |
Kiev it | E41 Nimzo-Indian |