Ratings
2021-03-07: Kolkata Othello Championship 2021(India)
| GHOSH Partha Sarathi | 34-30 | MITRA Subhadip |
| MD Shabaz | 28-36 | MITRA Subhadip |
| MITRA Subhadip | 52-12 | ROY Jesica |
| HALDER Goutam | 44-20 | MITRA Subhadip |
| MITRA Subhadip | 64-00 | AGARWAL Sumit |
| JANA Debajit | 54-10 | MITRA Subhadip |
2011-02-26: Kolkata Othello Championship(India)
| PANIGRAHI Somnath | 56-08 | MITRA Subhadip |
| CHOUDHARY Ashok | 55-09 | MITRA Subhadip |
| MITRA Subhadip | 47-17 | PAUL Rinku |
| GHOSH Partha Sarathi | 19-45 | MITRA Subhadip |
| AGARWAL Sumit | 44-20 | MITRA Subhadip |
| MITRA Subhadip | 29-35 | PAL Sounak |
| SENGUPTA Prithiraj | 32-32 | MITRA Subhadip |
2009-10-06: Indian Championship(India)
| MITRA Subhadip | 16-48 | CHOUDHARY Ashok |
| PANIGRAHI Somnath | 40-24 | MITRA Subhadip |
| VYAS Mehul | 58-06 | MITRA Subhadip |
| ROY Amar | 44-20 | MITRA Subhadip |
| GARODIA Abhishek | 39-25 | MITRA Subhadip |
| SHAW Sandip | 18-46 | MITRA Subhadip |
| HALDER Goutam | 24-40 | MITRA Subhadip |