The 15th Chennai Open International Grandmasters Chess Tournament for the Sakthi Group Dr. N. Mahalingam Trophy was held in Chennai, Tamil Nadu, from January 2 to January 9, 2025. A total of 176 players, including 16 Grandmasters (GMs) and 21 International Masters (IMs) from 21 countries, participated in the 10-round Swiss tournament.
Third seed GM Iniyan P triumphed with an impressive score of 8.5/10, scoring seven wins and three draws.
In the final round, he secured a decisive victory over GM Deepan, who had been co-leading the event until that point, clinching the championship title. GM Venkatesh also won his final-round game to finish second, while top seed IM Aronyak Ghosh claimed third place.
Final standings:
| 1 | GM | Iniyan, Pa | 2508 | 8½ |
| 2 | GM | Venkatesh, M.R. | 2362 | 8 |
| 3 | IM | Aronyak, Ghosh | 2544 | 7½ |
| 4 | GM | Deepan, Chakkravarthy J. | 2413 | 7½ |
| 5 | IM | Sammed Jaykumar, Shete | 2379 | 7½ |
| 6 | IM | Kaustuv, Kundu | 2409 | 7½ |
| 7 | GM | Siddharth, Jagadeesh | 2515 | 7 |
| 8 | IM | Vaz, Ethan | 2412 | 7 |
| 9 | GM | Das, Sayantan | 2434 | 7 |
| 10 | FM | Mohamed, Anees M | 2334 | 7 |
Photos: IA R Anantharam