| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. N Kalesis vs E Grivas |
| ½-½ | 48 |
2001 |
3rd Open | A81 Dutch |
| 27. Barsov vs N Kalesis |
| 1-0 | 52 |
2001 |
3rd Open | D38 Queen's Gambit Declined, Ragozin Variation |
| 28. Velimirovic vs N Kalesis |
| ½-½ | 21 |
2001 |
3rd Open | B41 Sicilian, Kan |
| 29. N Kalesis vs E Xaxiris |
| ½-½ | 34 |
2001 |
3rd Open | E32 Nimzo-Indian, Classical |
| 30. N Kalesis vs G Nikolaou |
| 1-0 | 48 |
2001 |
3rd Open | E92 King's Indian |
| 31. N Kalesis vs P Potapov |
 | 1-0 | 21 |
2001 |
3rd Open | A80 Dutch |
| 32. T Sideris vs N Kalesis |
| 0-1 | 43 |
2001 |
9th Open | B84 Sicilian, Scheveningen |
| 33. F Sigalas vs N Kalesis |
| ½-½ | 73 |
2001 |
3rd Open | B54 Sicilian |
| 34. J Asik vs N Kalesis |
| ½-½ | 48 |
2001 |
3rd Open | B53 Sicilian |
| 35. H Polizou vs N Kalesis |
| 0-1 | 43 |
2001 |
3rd Open | A46 Queen's Pawn Game |
| 36. I Fambas vs N Kalesis |
| 1-0 | 52 |
2001 |
9th Open | A46 Queen's Pawn Game |
| 37. N Kalesis vs Marjanovic |
| 0-1 | 56 |
2001 |
3rd Open | D32 Queen's Gambit Declined, Tarrasch |
| 38. Kotronias vs N Kalesis |
| 1-0 | 45 |
2001 |
3rd Open | B42 Sicilian, Kan |
| 39. N Kalesis vs M Al-Modiahki |
| 1-0 | 67 |
2006 |
Acropolis Tournament | E38 Nimzo-Indian, Classical, 4...c5 |
| 40. N Kalesis vs A Dounis |
| 1-0 | 42 |
2006 |
Acropolis Tournament | D91 Grunfeld, 5.Bg5 |
| 41. N Kalesis vs A Gogolis |
| 1-0 | 30 |
2006 |
Acropolis Tournament | D10 Queen's Gambit Declined Slav |
| 42. N Kalesis vs I Papadopoulos |
| 0-1 | 27 |
2006 |
Acropolis Tournament | E32 Nimzo-Indian, Classical |
| 43. F Peralta vs N Kalesis |
| 1-0 | 24 |
2006 |
Acropolis Tournament | D36 Queen's Gambit Declined, Exchange, Positional line, 6.Qc2 |
| 44. B Esen vs N Kalesis |
| 1-0 | 26 |
2006 |
Acropolis Tournament | E11 Bogo-Indian Defense |
| 45. N Kalesis vs K Koliopoulos |
| 1-0 | 48 |
2006 |
Acropolis Tournament | E92 King's Indian |
| 46. M Al Sayed vs N Kalesis |
| 1-0 | 52 |
2006 |
Acropolis Tournament | A15 English |
| 47. D Alexakis vs N Kalesis |
| 0-1 | 53 |
2006 |
Acropolis Tournament | B84 Sicilian, Scheveningen |