| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. G Gkoumas vs S Korlotsidis |
| 1-0 | 31 | 2005 | Foivitika op | A07 King's Indian Attack |
| 27. G Gkoumas vs A Vlahos |
| 0-1 | 34 | 2005 | Foivitika op | B02 Alekhine's Defense |
| 28. G Gkoumas vs D Alexakis |
| ½-½ | 45 | 2005 | Foivitika op | B01 Scandinavian |
| 29. G Gkoumas vs Alexandros Tsiamis |
| 1-0 | 37 | 2005 | GRE-ch U14 | B20 Sicilian |
| 30. Ioannis Stefanidis vs G Gkoumas |
| 0-1 | 41 | 2005 | GRE-ch U14 | A41 Queen's Pawn Game (with ...d6) |
| 31. A Pavlidis vs G Gkoumas |
| 1-0 | 46 | 2005 | GRE-ch U14 | E15 Queen's Indian |
| 32. G Gkoumas vs Nikolaos Gouleakis |
| 1-0 | 49 | 2005 | GRE-ch U14 | C53 Giuoco Piano |
| 33. G Gkoumas vs G Kanakaris |
| ½-½ | 33 | 2005 | GRE-ch U14 | B40 Sicilian |
| 34. Argirios Sirpas vs G Gkoumas |
| 0-1 | 22 | 2005 | GRE-ch U14 | A21 English |
| 35. A Sismanis vs G Gkoumas |
| ½-½ | 26 | 2005 | GRE-ch U14 | A43 Old Benoni |
| 36. G Gkoumas vs A Palekha |
| 0-1 | 56 | 2005 | Nikea op 13th | C41 Philidor Defense |
| 37. Gevorg Abovyan vs G Gkoumas |
| 0-1 | 23 | 2005 | Nikea op 13th | B27 Sicilian |
| 38. G Gkoumas vs T A Petrosian |
| 0-1 | 30 | 2005 | Nikea op 13th | B20 Sicilian |
| 39. Vasilios Blazos vs G Gkoumas |
| 0-1 | 26 | 2005 | Nikea op 13th | A67 Benoni, Taimanov Variation |
| 40. Alexandros Mathiopoulos vs G Gkoumas |
| 0-1 | 65 | 2005 | Nikea op 13th | B27 Sicilian |
| 41. G Gkoumas vs M Makropoulou |
| 0-1 | 35 | 2005 | Nikea op 13th | C53 Giuoco Piano |
| 42. G Gkoumas vs Nikolaos Syfantos |
| 1-0 | 25 | 2006 | Heraclion op 10th | B18 Caro-Kann, Classical |
| 43. G Gkoumas vs G Mastrokoukos |
| 1-0 | 47 | 2006 | Heraclion op 10th | B20 Sicilian |
| 44. G Gkoumas vs O Kulicov |
| 0-1 | 17 | 2006 | Heraclion op 10th | B01 Scandinavian |
| 45. M Tassopoulos vs G Gkoumas |
| ½-½ | 43 | 2006 | Heraclion op 10th | B22 Sicilian, Alapin |
| 46. G Gkoumas vs I Simeonidis |
| 0-1 | 21 | 2006 | Heraclion op 10th | B17 Caro-Kann, Steinitz Variation |
| 47. N Aggelis vs G Gkoumas |
| ½-½ | 33 | 2006 | Heraclion op 10th | A04 Reti Opening |
| 48. G Gkoumas vs A Paganoglou |
| 0-1 | 8 | 2006 | Heraclion op 10th | B20 Sicilian |
| 49. G Gkoumas vs D Svetushkin |
| 1-0 | 68 | 2006 | Aegean op | B06 Robatsch |
| 50. Konstantinos Panakoulias vs G Gkoumas |
| 0-1 | 24 | 2006 | Aegean op | B27 Sicilian |
Kibitzing
