Game |
| Result | Moves |
Year | Event/Locale | Opening |
1. G Gkoumas vs N Nguyen |
| 0-1 | 44 | 2002 | Wch U12 | B22 Sicilian, Alapin |
2. G Gkoumas vs D Efstathiou |
| 0-1 | 41 | 2003 | Nikea op 11th | B09 Pirc, Austrian Attack |
3. G Gkoumas vs G Mouratidis |
| 1-0 | 39 | 2003 | GRE mix 17th | B22 Sicilian, Alapin |
4. G Gkoumas vs Giorgos Spiropoulos |
| ½-½ | 37 | 2003 | GRE mix 17th | B23 Sicilian, Closed |
5. A Pavlidis vs G Gkoumas |
| 0-1 | 68 | 2003 | GRE mix 17th | A50 Queen's Pawn Game |
6. G Gkoumas vs A Paganoglou |
| 1-0 | 67 | 2003 | GRE mix 17th | B01 Scandinavian |
7. G Gkoumas vs V Kotrotsos |
| ½-½ | 82 | 2003 | GRE mix 17th | B07 Pirc |
8. G Gkoumas vs Vasilios Kampitsis |
| ½-½ | 17 | 2004 | Nikea op 12th | B20 Sicilian |
9. G Gkoumas vs E Zournatsidis |
| 0-1 | 56 | 2004 | Nikea op 12th | B01 Scandinavian |
10. A Stiri vs G Gkoumas |
| 1-0 | 55 | 2004 | Nikea op 12th | B27 Sicilian |
11. G Gkoumas vs K Kokolias |
| 1-0 | 27 | 2004 | Heraklio op | C00 French Defense |
12. A Papargyriou vs G Gkoumas |
| 0-1 | 27 | 2004 | Heraklio op | B06 Robatsch |
13. G Gkoumas vs T Mihos |
| ½-½ | 60 | 2004 | Heraklio op | C54 Giuoco Piano |
14. M Tassopoulos vs G Gkoumas |
| ½-½ | 55 | 2004 | Heraklio op | A02 Bird's Opening |
15. G Gkoumas vs Nikolaos Batzilis |
| 1-0 | 45 | 2004 | GRE-ch U14 | B06 Robatsch |
16. G Gkoumas vs Ioannis Stefanidis |
| 1-0 | 21 | 2004 | GRE-ch U14 | B01 Scandinavian |
17. Dimitrios Galanis vs G Gkoumas |
| 0-1 | 16 | 2004 | GRE-ch U14 | B06 Robatsch |
18. P Bozinakis vs G Gkoumas |
| ½-½ | 18 | 2004 | GRE-ch U14 | B23 Sicilian, Closed |
19. G Gkoumas vs P Pambalos |
| 1-0 | 45 | 2004 | GRE-ch U14 | B20 Sicilian |
20. G Kanakaris vs G Gkoumas |
| 1-0 | 67 | 2004 | GRE-ch U14 | A50 Queen's Pawn Game |
21. G Gkoumas vs P Tsialas |
| ½-½ | 31 | 2004 | GRE-ch U14 | B22 Sicilian, Alapin |
22. A Tsiropoulas vs G Gkoumas |
| ½-½ | 47 | 2004 | GRE-ch U14 | A42 Modern Defense, Averbakh System |
23. G Gkoumas vs Anestis Piros |
| 1-0 | 44 | 2004 | GRE-ch U14 | C00 French Defense |
24. A Pavlidis vs G Gkoumas |
| 1-0 | 46 | 2005 | GRE-ch U14 | E15 Queen's Indian |
25. G Gkoumas vs P Spirou |
| ½-½ | 18 | 2005 | GRE-ch U14 | B20 Sicilian |