| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. S Halkias vs M Petraki |
| 1-0 | 35 | 1999 | Corinth Open | A71 Benoni, Classical, 8.Bg5 |
| 27. D Lekic vs M Petraki |
| 1-0 | 49 | 1999 | Corinth Open | B77 Sicilian, Dragon, Yugoslav Attack |
| 28. M Petraki vs Chernin |
| 0-1 | 28 | 2000 | Corinth Open | B00 Uncommon King's Pawn Opening |
| 29. D Karteri vs M Petraki |
 | 0-1 | 28 | 2000 | Corinth Open | B01 Scandinavian |
| 30. M Petraki vs P Kakogiannis |
| ½-½ | 38 | 2000 | Corinth Open | B10 Caro-Kann |
| 31. M Petraki vs A Kazantzis |
| 1-0 | 20 | 2000 | Corinth Open | B25 Sicilian, Closed |
| 32. M Petraki vs K Nikolaidis |
| ½-½ | 13 | 2000 | Corinth Open | B25 Sicilian, Closed |
| 33. K Stoumbos vs M Petraki |
| 1-0 | 32 | 2000 | Corinth Open | A43 Old Benoni |
| 34. I Nikolaidis vs M Petraki |
| 1-0 | 36 | 2000 | Ano Liosia Open 2000/01 | A01 Nimzovich-Larsen Attack |
| 35. Lida Panagiotopoulou vs M Petraki |
| 0-1 | 49 | 2000 | Ano Liosia Open 2000/01 | A43 Old Benoni |
| 36. M Petraki vs V Bogdanovski |
| ½-½ | 27 | 2000 | Ano Liosia Open 2000/01 | A00 Uncommon Opening |
| 37. B Khetsuriani vs M Petraki |
| 0-1 | 31 | 2001 | Ano Liosia Open 2000/01 | D01 Richter-Veresov Attack |
| 38. B Chatalbashev vs M Petraki |
| 1-0 | 14 | 2001 | Ano Liosia Open 2000/01 | A46 Queen's Pawn Game |
| 39. M Petraki vs B Brinck-Claussen |
| 0-1 | 29 | 2001 | Ano Liosia Open 2000/01 | C00 French Defense |
| 40. M Petraki vs G Pashos |
| 1-0 | 41 | 2001 | Patras Open | B25 Sicilian, Closed |
| 41. A Tzermiadianos vs M Petraki |
| 1-0 | 39 | 2001 | Patras Open | B27 Sicilian |
| 42. M Petraki vs O Nikolopoulos |
| 1-0 | 40 | 2001 | Patras Open | B25 Sicilian, Closed |
| 43. N Managadze vs M Petraki |
| 1-0 | 47 | 2001 | Patras Open | A05 Reti Opening |
| 44. M Petraki vs G Kouloumbis |
| 1-0 | 19 | 2001 | Patras Open | B25 Sicilian, Closed |
| 45. D Svetushkin vs M Petraki |
| 1-0 | 19 | 2001 | Patras Open | A07 King's Indian Attack |
| 46. M Petraki vs G Panagopoulos |
| 1-0 | 51 | 2001 | Patras Open | B00 Uncommon King's Pawn Opening |
| 47. A Pashos vs M Petraki |
| 0-1 | 31 | 2001 | Patras Open | A43 Old Benoni |
| 48. A Hadzimanolis vs M Petraki |
| 1-0 | 50 | 2001 | Patras Open | B22 Sicilian, Alapin |
| 49. M Petraki vs A Rychagov |
| 0-1 | 33 | 2001 | Korinthos Open | B25 Sicilian, Closed |
| 50. E Garnelli vs M Petraki |
| 0-1 | 15 | 2001 | Korinthos Open | A74 Benoni, Classical, 9...a6, 10.a4 |
Kibitzing
