June |
| TN State Under-25 Open and Girls Chess Championship 2025 |
SO-13/CGL/25-26 |
Chengalpattu |
18-Jun-2025 |
22-Jun-2025 |
| TN State Blitz Chess Championship 2025 |
SO-12/PDU/25-26 |
Pudukottai |
15-Jun-2025 |
15-Jun-2025 |
| TN State Rapid Chess Championship 2025 |
SO-11/PDU/25-26 |
Pudukottai |
14-Jun-2025 |
15-Jun-2025 |
| Tamil Nadu State Team Chess Championship 2025 |
SO-14/ERO/25-26 |
Erode |
10-Jun-2025 |
13-Jun-2025 |
| 75th Tamil Nadu State Open Chess Championship 2025 |
SO-04/VNR/25-26 |
Rajapalayam |
01-Jun-2025 |
05-Jun-2025 |
May |
| 53rd Tamil Nadu State Under-19 Open and 38th Tamil Nadu State Under – 19 Girls Chess Championship 2025 |
SO-09/TPT/25-26 |
Tirupattur |
27-May-2025 |
31-May-2025 |
| 37th Tamil Nadu State Under-13 Open and Girls Chess Championship 2025 |
SO-08/RAM/25-26 |
Ramanathapuram |
21-May-2025 |
25-May-2025 |
| TN State Veteran (above 50 & 65) Chess Championship 2025 |
SO-05/CHE/25-26 |
Chennai |
17-May-2025 |
18-May-2025 |
| 50th Tamil Nadu State Under-15 Open and 37th Tamil Nadu State Under-15 Girls Chess Championship 2025 |
SO-07/DGL/25-26 |
Dindigul |
14-May-2025 |
18-May-2025 |
| 37th Tamil Nadu State Under-11 Open and Girls Chess Championship 2025 |
SO-06/TLR/25-26 |
Tiruvallur |
07-May-2025 |
11-May-2025 |
