| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. S Pedersen vs I Papaioannou |
| 1-0 | 31 | 1993 | European Junior Championship | E20 Nimzo-Indian |
| 27. I Papaioannou vs E Grivas |
| 1-0 | 32 | 1995 | Aegina op | B30 Sicilian |
| 28. G Vojinovic vs I Papaioannou |
| 1-0 | 46 | 1995 | Ikaros op | E11 Bogo-Indian Defense |
| 29. I Rogers vs I Papaioannou |
| ½-½ | 43 | 1995 | Agios Nikolaos Open | E00 Queen's Pawn Game |
| 30. I Papaioannou vs A Tzermiadianos |
| ½-½ | 10 | 1995 | Agios Nikolaos Open | B65 Sicilian, Richter-Rauzer Attack, 7...Be7 Defense, 9...Nxd4 |
| 31. V Moskalenko vs I Papaioannou |
| ½-½ | 48 | 1995 | Agios Nikolaos Open | E41 Nimzo-Indian |
| 32. S Guliev vs I Papaioannou |
| 1-0 | 42 | 1995 | Agios Nikolaos Open | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 33. I Papaioannou vs N Dedes |
| 1-0 | 36 | 1995 | Agios Nikolaos Open | E82 King's Indian, Samisch, double Fianchetto Variation |
| 34. I Papaioannou vs K Georgiev |
| 1-0 | 45 | 1995 | Agios Nikolaos Open | E81 King's Indian, Samisch |
| 35. Kotronias vs I Papaioannou |
| 1-0 | 40 | 1996 | Ch Greece | B12 Caro-Kann Defense |
| 36. E Grivas vs I Papaioannou |
| 1-0 | 50 | 1996 | GRE-chT | E11 Bogo-Indian Defense |
| 37. I Papaioannou vs E Grivas |
| ½-½ | 18 | 1996 | GRE-ch active | E80 King's Indian, Samisch Variation |
| 38. E Grivas vs I Papaioannou |
| 1-0 | 31 | 1996 | GRE-ch | A46 Queen's Pawn Game |
| 39. G Tringov vs I Papaioannou |
| ½-½ | 46 | 1997 | Ikaros/Thessaloniki | B01 Scandinavian |
| 40. E Grivas vs I Papaioannou |
| 0-1 | 36 | 1997 | GRE-chT | A15 English |
| 41. I Papaioannou vs E Grivas |
| 1-0 | 57 | 1997 | GRE-ch | B36 Sicilian, Accelerated Fianchetto |
| 42. I Papaioannou vs T Gelashvili |
| ½-½ | 44 | 1997 | Ikaros/Thessaloniki | A62 Benoni, Fianchetto Variation |
| 43. I Papaioannou vs T Gelashvili |
 | 1-0 | 38 | 1998 | Ikaria op | A04 Reti Opening |
| 44. I Papaioannou vs A Kveinys |
| ½-½ | 24 | 1998 | Cappelle-la-Grande Open | B40 Sicilian |
| 45. I Papaioannou vs J Gonzalez Garcia |
| 1-0 | 31 | 1998 | Cappelle-la-Grande Open | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 46. I Novikov vs I Papaioannou |
| ½-½ | 29 | 1998 | Cappelle-la-Grande Open | A70 Benoni, Classical with 7.Nf3 |
| 47. P Blehm vs I Papaioannou |
| ½-½ | 14 | 1998 | Cappelle-la-Grande Open | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 48. I Papaioannou vs Gleizerov |
| ½-½ | 22 | 1998 | Cappelle-la-Grande Open | C00 French Defense |
| 49. M Hebden vs I Papaioannou |
| ½-½ | 22 | 1998 | Cappelle-la-Grande Open | A46 Queen's Pawn Game |
| 50. M Kekelidze vs I Papaioannou |
| 0-1 | 41 | 1998 | Cappelle-la-Grande Open | B11 Caro-Kann, Two Knights, 3...Bg4 |
Kibitzing
