| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. P Frendzas vs E Grivas |
| 1-0 | 46 | 1981 | Athens m | E80 King's Indian, Samisch Variation |
| 2. M Cebalo vs E Grivas |
| 1-0 | 28 | 1983 | Papanastasio Memorial | E80 King's Indian, Samisch Variation |
| 3. L Spassov vs E Grivas |
| ½-½ | 18 | 1985 | Nikea Open | E80 King's Indian, Samisch Variation |
| 4. S Conquest vs E Grivas |
| 1-0 | 29 | 1986 | Munich | E80 King's Indian, Samisch Variation |
| 5. C Ionescu vs E Grivas |
| ½-½ | 35 | 1990 | Kavala Balkaniad | E80 King's Indian, Samisch Variation |
| 6. N Kalesis vs E Grivas |
| 0-1 | 32 | 1991 | Corfu op | E80 King's Indian, Samisch Variation |
| 7. N Kalesis vs E Grivas |
| ½-½ | 53 | 1991 | GRE-ch | E80 King's Indian, Samisch Variation |
| 8. V Raicevic vs E Grivas |
| ½-½ | 23 | 1992 | Akropolis | E80 King's Indian, Samisch Variation |
| 9. Knaak vs E Grivas |
| 1-0 | 26 | 1992 | Akropolis | E80 King's Indian, Samisch Variation |
| 10. S Sarno vs E Grivas |
| ½-½ | 24 | 1992 | European Team Championship | E80 King's Indian, Samisch Variation |
| 11. N Andrianov vs E Grivas |
| ½-½ | 20 | 1993 | Athens m | E80 King's Indian, Samisch Variation |
| 12. A Botsari vs E Grivas |
| 0-1 | 42 | 1993 | Corfu op | E80 King's Indian, Samisch Variation |
| 13. N Kalesis vs E Grivas |
| ½-½ | 24 | 1993 | Zouberi zt | E80 King's Indian, Samisch Variation |
| 14. L Orfanos vs E Grivas |
| 0-1 | 32 | 1996 | Aegina op | E80 King's Indian, Samisch Variation |
| 15. I Papaioannou vs E Grivas |
| ½-½ | 18 | 1996 | GRE-ch active | E80 King's Indian, Samisch Variation |
| 16. S Atalik vs E Grivas |
| ½-½ | 39 | 1996 | Karditsa | E80 King's Indian, Samisch Variation |
| 17. F Elsness vs E Grivas |
| 0-1 | 25 | 1996 | Yerevan Olympiad | E80 King's Indian, Samisch Variation |
| 18. Symeon Kanelakis vs E Grivas |
| 0-1 | 42 | 1997 | GRE-ch | E80 King's Indian, Samisch Variation |
| 19. D Efthimakis vs E Grivas |
| 0-1 | 29 | 1997 | Athens op | E80 King's Indian, Samisch Variation |
| 20. G Nikolaou vs E Grivas |
| ½-½ | 67 | 2000 | GRE-chT 29th | E80 King's Indian, Samisch Variation |
| 21. P Meister vs E Grivas |
| 0-1 | 43 | 2002 | BL2-Ost 0102 | E80 King's Indian, Samisch Variation |
| 22. K Vafiadis vs E Grivas |
| 0-1 | 34 | 2004 | GRE-chT | E80 King's Indian, Samisch Variation |
| 23. A Moiseenko vs E Grivas |
| 1-0 | 27 | 2009 | Turkish league | E80 King's Indian, Samisch Variation |
Kibitzing
