| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. F De Gleria vs G Souleidis |
| ½-½ | 56 |
1999 |
Oster op | B40 Sicilian |
| 2. Michael Drzasga vs G Souleidis |
| ½-½ | 68 |
1999 |
Oster op | A03 Bird's Opening |
| 3. Barsov vs G Souleidis |
| 1-0 | 45 |
1999 |
Oster op | E90 King's Indian |
| 4. R Schmidt vs G Souleidis |
| ½-½ | 33 |
2000 |
BL2-West9900 | E81 King's Indian, Samisch |
| 5. Yusupov vs G Souleidis |
| 0-1 | 52 |
2000 |
Essen Clock sim | E60 King's Indian Defense |
| 6. G Souleidis vs Kohlweyer |
| 0-1 | 23 |
2000 |
BL2-West9900 | B21 Sicilian, 2.f4 and 2.d4 |
| 7. G Souleidis vs M Becker |
| 1-0 | 29 |
2000 |
BL2-West9900 | C42 Petrov Defense |
| 8. M Goihl vs G Souleidis |
| ½-½ | 33 |
2001 |
Gelsenkirchen op | B30 Sicilian |
| 9. V Savchenko vs G Souleidis |
| 0-1 | 63 |
2001 |
Gelsenkirchen op | E81 King's Indian, Samisch |
| 10. G Souleidis vs A R Schwarz |
| ½-½ | 37 |
2003 |
Boeblingen op 20th | B12 Caro-Kann Defense |
| 11. Areshchenko vs G Souleidis |
| 1-0 | 38 |
2003 |
European Clubs Cup (Men) | B33 Sicilian |
| 12. G Souleidis vs J Wegerle |
| ½-½ | 41 |
2003 |
Bundesliga 0304 | C00 French Defense |
| 13. G Souleidis vs R Palliser |
| 0-1 | 52 |
2003 |
European Clubs Cup (Men) | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 14. Vaganian vs G Souleidis |
| ½-½ | 64 |
2003 |
Bundesliga 0304 | D07 Queen's Gambit Declined, Chigorin Defense |
| 15. G Souleidis vs I Sokolov |
 | 0-1 | 54 |
2003 |
European Clubs Cup (Men) | C22 Center Game |
| 16. G Souleidis vs M Schwarz |
| ½-½ | 22 |
2003 |
Bundesliga 0304 | B06 Robatsch |
| 17. M Gagunashvili vs G Souleidis |
 | 0-1 | 30 |
2003 |
European Clubs Cup (Men) | D07 Queen's Gambit Declined, Chigorin Defense |
| 18. G Souleidis vs O Stefanopoulos |
| ½-½ | 47 |
2004 |
TCh-GRE | B03 Alekhine's Defense |
| 19. G Souleidis vs D Rogozenko |
| ½-½ | 61 |
2004 |
Hamburg-ch int | B45 Sicilian, Taimanov |
| 20. G Souleidis vs K Markidis |
| ½-½ | 20 |
2005 |
34th TCh-GRE | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 21. Hertneck vs G Souleidis |
| 1-0 | 45 |
2005 |
Bundesliga Final Weekend | A01 Nimzovich-Larsen Attack |
| 22. G Souleidis vs W Haas |
| 1-0 | 41 |
2005 |
Bundesliga 0405 | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 23. G Souleidis vs G Meins |
| 1-0 | 38 |
2005 |
Bundesliga 0405 | B31 Sicilian, Rossolimo Variation |
| 24. D Viebahn vs G Souleidis |
| ½-½ | 63 |
2005 |
Recklinghausen op 15th | B31 Sicilian, Rossolimo Variation |
| 25. D Zakarian vs G Souleidis |
| 0-1 | 59 |
2006 |
35th Greek Team Championship | B30 Sicilian |