India
Male
FIDE ID:
Chatterjee Koustav
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| College Final Four 2025 | 04/05/2025 | 2492 |  United States |
| Pan-Am Intercollegiate | 01/02/2025 | 2235 | United States |
| US Chess Masters 2024 | 11/27/2024 | 2373 | United States |
| 1000GM Labor Super Swiss | 08/30/2024 | 2268 | United States |
Chatterjee Koustav Opening Repertoire with White pieces
| ECO | Opening | Games |
| A06 | Reti opening | 9 games |
| E60 | King's Indian defence | 5 games |
| E49 | Nimzo-Indian, 4.e3, Botvinnik system | 5 games |
| A13 | English opening | 5 games |
Chatterjee Koustav Opening Repertoire with Black pieces
| ECO | Opening | Games |
| C50 | King's pawn game | 8 games |
| D38 | Queen's Gambit Declined, Ragozin variation | 6 games |
| C84 | Ruy Lopez, closed defence | 5 games |
| C88 | Ruy Lopez, closed | 4 games |
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