| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. T L Petrosian vs M Kobalia |
| 1-0 | 39 |
2004 |
Petrosian Memorial | B23 Sicilian, Closed |
| 27. T L Petrosian vs T Yilmaz |
| 1-0 | 55 |
2004 |
5th Individual European Chess Championship | C12 French, McCutcheon |
| 28. S Halkias vs T L Petrosian |
| ½-½ | 14 |
2004 |
5th Individual European Chess Championship | D92 Grunfeld, 5.Bf4 |
| 29. T L Petrosian vs A Galkin |
 | 1-0 | 37 |
2004 |
3rd Aeroflot Festival | B17 Caro-Kann, Steinitz Variation |
| 30. T L Petrosian vs Y Pelletier |
| ½-½ | 37 |
2004 |
Petrosian Memorial | B23 Sicilian, Closed |
| 31. T L Petrosian vs V Gashimov |
 | 0-1 | 44 |
2004 |
5th Individual European Chess Championship | B14 Caro-Kann, Panov-Botvinnik Attack |
| 32. T L Petrosian vs E Maghami |
| 1-0 | 32 |
2004 |
Petrosian Memorial | B90 Sicilian, Najdorf |
| 33. V Iotov vs T L Petrosian |
| 1-0 | 38 |
2004 |
5th Individual European Chess Championship | D93 Grunfeld, with Bf4 & e3 |
| 34. T L Petrosian vs M Grunberg |
| 0-1 | 52 |
2004 |
5th Individual European Chess Championship | B04 Alekhine's Defense, Modern |
| 35. I Popov vs T L Petrosian |
| ½-½ | 81 |
2004 |
3rd Aeroflot Festival | A15 English |
| 36. T L Petrosian vs Karjakin |
| ½-½ | 41 |
2004 |
ACP Blitz Octofinal-C 3rd | B90 Sicilian, Najdorf |
| 37. A Pashikian vs T L Petrosian |
| ½-½ | 45 |
2004 |
Petrosian Memorial | C76 Ruy Lopez, Modern Steinitz Defense, Fianchetto Variation |
| 38. V Milov vs T L Petrosian |
| 1-0 | 79 |
2004 |
5th Individual European Chess Championship | D85 Grunfeld |
| 39. T L Petrosian vs Van Wely |
| 1-0 | 57 |
2004 |
EU-ch Internet final | B23 Sicilian, Closed |
| 40. Sveshnikov vs T L Petrosian |
 | 1-0 | 55 |
2004 |
Petrosian Memorial | C42 Petrov Defense |
| 41. T L Petrosian vs Agrest |
| 0-1 | 53 |
2004 |
5th Individual European Chess Championship | B23 Sicilian, Closed |
| 42. Mamedyarov vs T L Petrosian |
 | 1-0 | 53 |
2004 |
5th Individual European Chess Championship | D70 Neo-Grunfeld Defense |
| 43. T L Petrosian vs G Sargissian |
| ½-½ | 47 |
2004 |
Petrosian Memorial | A00 Uncommon Opening |
| 44. T L Petrosian vs T Markowski |
| 1-0 | 74 |
2004 |
5th Individual European Chess Championship | B23 Sicilian, Closed |
| 45. T L Petrosian vs Motylev |
| 0-1 | 52 |
2005 |
2nd Sanjin Hotel Cup | B56 Sicilian |
| 46. T L Petrosian vs A Anastasian |
| ½-½ | 51 |
2005 |
Armenian Championship | A10 English |
| 47. B Galstian vs T L Petrosian |
| ½-½ | 40 |
2005 |
Karabakh International - Group B | D34 Queen's Gambit Declined, Tarrasch |
| 48. T Nalbandian vs T L Petrosian |
 | 1-0 | 40 |
2005 |
6th European Individual Championship | E91 King's Indian |
| 49. A Mista vs T L Petrosian |
| 0-1 | 39 |
2005 |
VI Ciudad de Dos Hermanas Internet | B09 Pirc, Austrian Attack |
| 50. T L Petrosian vs P Smirnov |
 | 1-0 | 40 |
2005 |
Aeroflot Open | B90 Sicilian, Najdorf |