| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. M Petrov vs Conquest |
| ½-½ | 57 |
2001 |
2nd IECC | B06 Robatsch |
| 27. A Kofidis vs M Petrov |
 | 0-1 | 17 |
2001 |
3rd Open | B56 Sicilian |
| 28. M Petrov vs G Hitzgerova |
| 1-0 | 41 |
2001 |
Classics IMA | B93 Sicilian, Najdorf, 6.f4 |
| 29. A Shneider vs M Petrov |
| 1-0 | 51 |
2001 |
2nd IECC | E90 King's Indian |
| 30. B Chatalbashev vs M Petrov |
| ½-½ | 16 |
2001 |
TCh-BUL | A48 King's Indian |
| 31. D Fridman vs M Petrov |
| 1-0 | 39 |
2001 |
Czech Open | A04 Reti Opening |
| 32. M Petrov vs T Nedev |
| 1-0 | 31 |
2001 |
EuTCh | B45 Sicilian, Taimanov |
| 33. M Petrov vs V Spasov |
| ½-½ | 38 |
2001 |
65th ch-BUL | B06 Robatsch |
| 34. M Petrov vs D Dochev |
| 1-0 | 29 |
2001 |
10th Open | B33 Sicilian |
| 35. I Seitaj vs M Petrov |
| ½-½ | 25 |
2001 |
ch-Balkan | B22 Sicilian, Alapin |
| 36. T Nedev vs M Petrov |
| 1-0 | 49 |
2001 |
2nd IECC | B06 Robatsch |
| 37. Mitko Vatkovski vs M Petrov |
| 0-1 | 35 |
2001 |
TCh-BUL | A10 English |
| 38. B Kvisvik vs M Petrov |
| 0-1 | 32 |
2001 |
Classics IMA | B31 Sicilian, Rossolimo Variation |
| 39. M Petrov vs F Vrana |
| 1-0 | 52 |
2001 |
Czech Open | C02 French, Advance |
| 40. M Petrov vs E Kounalakis |
| 1-0 | 24 |
2001 |
Panormo Open | B18 Caro-Kann, Classical |
| 41. M Petrov vs E Fakhiridou |
| 1-0 | 43 |
2001 |
10th Open | B45 Sicilian, Taimanov |
| 42. M Petrov vs M Erdogdu |
| 0-1 | 77 |
2001 |
ch-Balkan | B82 Sicilian, Scheveningen |
| 43. E Janev vs M Petrov |
| ½-½ | 23 |
2001 |
65th ch-BUL | B31 Sicilian, Rossolimo Variation |
| 44. M Petrov vs N Shavtvaladze |
| 1-0 | 29 |
2001 |
3rd Open | C02 French, Advance |
| 45. E Hermansson vs M Petrov |
| ½-½ | 13 |
2001 |
Classics IMA | B40 Sicilian |
| 46. O Brendel vs M Petrov |
| 0-1 | 40 |
2001 |
2nd IECC | B06 Robatsch |
| 47. S Nikolov vs M Petrov |
| 1-0 | 32 |
2001 |
TCh-BUL | E91 King's Indian |
| 48. M Petrov vs J Geller |
| 1-0 | 41 |
2001 |
Czech Open | C63 Ruy Lopez, Schliemann Defense |
| 49. M Petrov vs R Ibrahimov |
| 0-1 | 32 |
2001 |
EuTCh | B01 Scandinavian |
| 50. P Genov vs M Petrov |
| 0-1 | 51 |
2001 |
65th ch-BUL | E87 King's Indian, Samisch, Orthodox |