| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 276. G Meier vs T L Petrosian |
 | 1-0 | 44 |
2009 |
World Cup | D81 Grunfeld, Russian Variation |
| 277. T L Petrosian vs Fressinet |
| 1-0 | 48 |
2009 |
France-Armenia Match | C59 Two Knights |
| 278. T Kosintseva vs T L Petrosian |
| ½-½ | 84 |
2009 |
Aeroflot Open | B32 Sicilian |
| 279. T L Petrosian vs Nisipeanu |
| ½-½ | 51 |
2009 |
European Club Cup | B83 Sicilian |
| 280. T L Petrosian vs M Yilmaz |
| ½-½ | 107 |
2009 |
10th European Individual Championship | B90 Sicilian, Najdorf |
| 281. I Salgado Lopez vs T L Petrosian |
| 0-1 | 36 |
2009 |
17th European Team Championship | A21 English |
| 282. L Lenic vs T L Petrosian |
| 0-1 | 39 |
2009 |
10th European Individual Championship | D91 Grunfeld, 5.Bg5 |
| 283. T L Petrosian vs Van Wely |
| ½-½ | 37 |
2009 |
Chicago Open | B84 Sicilian, Scheveningen |
| 284. Li Shilong vs T L Petrosian |
| 0-1 | 50 |
2009 |
Aeroflot Open | D11 Queen's Gambit Declined Slav |
| 285. T L Petrosian vs J Glud |
| 1-0 | 35 |
2009 |
17th European Team Championship | C45 Scotch Game |
| 286. T L Petrosian vs A Volokitin |
| 0-1 | 66 |
2009 |
10th European Individual Championship | C51 Evans Gambit |
| 287. T L Petrosian vs G Meier |
| ½-½ | 119 |
2009 |
World Cup | C10 French |
| 288. C Bauer vs T L Petrosian |
| 0-1 | 42 |
2009 |
France-Armenia Match | D00 Queen's Pawn Game |
| 289. T L Petrosian vs M Ragger |
| ½-½ | 28 |
2009 |
Aeroflot Open | D18 Queen's Gambit Declined Slav, Dutch |
| 290. T L Petrosian vs S Vysochin |
| 1-0 | 62 |
2009 |
European Club Cup | D45 Queen's Gambit Declined Semi-Slav |
| 291. B Golubovic vs T L Petrosian |
| ½-½ | 96 |
2009 |
10th European Individual Championship | B07 Pirc |
| 292. I Salgado Lopez vs T L Petrosian |
| 0-1 | 36 |
2009 |
17th European Team Championship | A21 English |
| 293. T L Petrosian vs I Saric |
| 1-0 | 27 |
2009 |
10th European Individual Championship | D75 Neo-Grunfeld, 6.cd Nxd5, 7.O-O c5, 8.dxc5 |
| 294. T L Petrosian vs C Bauer |
| 1-0 | 58 |
2009 |
France-Armenia Match | B01 Scandinavian |
| 295. T L Petrosian vs S Sjugirov |
| ½-½ | 60 |
2009 |
Aeroflot Open | B90 Sicilian, Najdorf |
| 296. T Nedev vs T L Petrosian |
| 0-1 | 77 |
2009 |
European Club Cup | C45 Scotch Game |
| 297. I Nyzhnyk vs T L Petrosian |
| 0-1 | 33 |
2009 |
10th European Individual Championship | B54 Sicilian |
| 298. T L Petrosian vs J Gallagher |
| 1-0 | 84 |
2009 |
17th European Team Championship | B90 Sicilian, Najdorf |
| 299. T L Petrosian vs Lautier |
| ½-½ | 34 |
2009 |
France-Armenia Match | B23 Sicilian, Closed |
