| Koustav,Chatterjee (2488) – Ludwig,John (2344) |
1/2-1/2 |
Reti |
2026-01-19 |
| Schitco,Ivan (2490) – Koustav,Chatterjee (2488) |
1/2-1/2 |
Ruy Lopez |
2026-01-19 |
| Fus,Jakub (2422) – Koustav,Chatterjee (2488) |
1/2-1/2 |
Giuoco Pianissimo |
2026-01-18 |
| Kaplan,Avi Harrison (2372) – Koustav,Chatterjee (2488) |
1/2-1/2 |
QGD |
2026-01-17 |
| Koustav,Chatterjee (2488) – Lin,Bryan Enming (2340) |
1-0 |
King's Indian |
2026-01-17 |
| Koustav,Chatterjee (2488) – Lenderman,A (2468) |
1/2-1/2 |
Reti opening |
2026-01-16 |
| Koustav,Chatterjee (2488) – De Silva,L M S T (2404) |
1/2-1/2 |
QGD |
2026-01-14 |
| Koustav,Chatterjee (2488) – Shen,Christopher (2338) |
1/2-1/2 |
King's Indian |
2026-01-04 |
| Koustav,Chatterjee (2488) – Sonis,Francesco (2557) |
1/2-1/2 |
Catalan opening |
2026-01-03 |
| Koustav,Chatterjee (2475) – Katz,Alexander (2358) |
1/2-1/2 |
QGD |
2025-12-30 |
| Abdurakhmonov,Mukhammadali (2354) – Koustav,Chatterjee (2475) |
1/2-1/2 |
Ruy Lopez |
2025-12-29 |
| Koustav,Chatterjee (2475) – Abdisalimov,Abdimalik (2561) |
1/2-1/2 |
Benoni |
2025-12-29 |
| Koustav,Chatterjee (2475) – Lamaze,Simon (2466) |
1-0 |
King's Indian |
2025-12-28 |
| Ghaem Maghami,E (2427) – Koustav,Chatterjee (2475) |
1/2-1/2 |
Ruy Lopez |
2025-12-28 |
| Wang,Isaac (2370) – Koustav,Chatterjee (2475) |
0-1 |
QGD |
2025-12-27 |
| Yang,Jingyun (ryan) (2319) – Koustav,Chatterjee (2475) |
1/2-1/2 |
Vienna gambit |
2025-12-26 |
| Zhou Jianchao (2591) – Koustav,Chatterjee (2475) |
1/2-1/2 |
Nimzo-Indian |
2025-11-30 |
| Koustav,Chatterjee (2475) – Erenburg,S (2466) |
1/2-1/2 |
Reti opening |
2025-11-30 |
| Koustav,Chatterjee (2475) – Hong,Andrew (2568) |
1/2-1/2 |
King's Indian |
2025-11-29 |
| Rodrigue-Lemieux,Shawn (2521) – Koustav,Chatterjee (2475) |
1-0 |
English |
2025-11-29 |
| Koustav,Chatterjee (2475) – Xiong,Jeffery (2649) |
1/2-1/2 |
Queen's gambit declined |
2025-11-28 |
| Brodsky,David (2515) – Koustav,Chatterjee (2475) |
0-1 |
Giuoco Pianissimo |
2025-11-28 |
| Koustav,Chatterjee (2488) – Bilych,Oleksii (2446) |
1-0 |
Queen's gambit declined |
2025-10-26 |
| Ozenir,Ekin Baris (2426) – Koustav,Chatterjee (2488) |
1-0 |
QGD |
2025-10-25 |
| Koustav,Chatterjee (2488) – Rodrigue-Lemieux,Shawn (2524) |
0-1 |
Nimzo-Indian |
2025-10-25 |
| Koustav,Chatterjee (2488) – Tanenbaum,Zachary (2319) |
1/2-1/2 |
Reti |
2025-10-13 |
| Budisavljevic,Luka (2517) – Koustav,Chatterjee (2488) |
1-0 |
QGD |
2025-10-12 |
| Koustav,Chatterjee (2488) – Amburgy,Ryan (2309) |
1-0 |
Catalan |
2025-10-12 |
| Koustav,Chatterjee (2488) – Putnam,Liam (2480) |
1/2-1/2 |
Reti |
2025-10-11 |
| Koustav,Chatterjee (2488) – Avila Pavas,Santiago (2490) |
0-1 |
English |
2025-10-10 |
| Atanasov,Anthony (2435) – Koustav,Chatterjee (2488) |
0-1 |
Queen's pawn game |
2025-10-09 |
| Cardoso Cardoso,Jose Gabriel (2505) – Koustav,Chatterjee (2493) |
1-0 |
QGD |
2025-04-06 |
| Tiglon,Bryce (2530) – Koustav,Chatterjee (2510) |
1/2-1/2 |
Ruy Lopez |
2025-01-05 |
| Nakada,Akira (2420) – Koustav,Chatterjee (2510) |
1/2-1/2 |
English |
2025-01-04 |
| Dudin,Gleb (2506) – Koustav,Chatterjee (2510) |
1-0 |
QGD |
2025-01-03 |
| Koustav,Chatterjee (2510) – Druska,J (2433) |
0-1 |
QGD |
2024-12-01 |
| Wang,Tianqi (2323) – Koustav,Chatterjee (2510) |
1/2-1/2 |
Queen's pawn game |
2024-11-30 |
| Koustav,Chatterjee (2510) – Tokhirjonova,Gulrukhbegim (2385) |
1-0 |
QGD semi-Slav |
2024-11-29 |
| Donchenko,Alexa (2617) – Koustav,Chatterjee (2510) |
1-0 |
Giuoco Pianissimo |
2024-11-29 |
| Koustav,Chatterjee (2510) – Petenyi,T (2303) |
1/2-1/2 |
King's Indian |
2024-11-28 |
| Delgado Ramirez,N (2485) – Koustav,Chatterjee (2524) |
1/2-1/2 |
Ruy Lopez |
2024-09-02 |
| Koustav,Chatterjee (2524) – Quesada Perez,Ya (2581) |
0-1 |
Reti |
2024-09-02 |
| Koustav,Chatterjee (2524) – Macovei,Andrei (2466) |
1/2-1/2 |
Nimzo-Indian |
2024-09-01 |
| Sivakumar,Shaaketh (2307) – Koustav,Chatterjee (2524) |
1/2-1/2 |
Giuoco Pianissimo |
2024-08-31 |
| Pribelszky,Bence (2366) – Koustav,Chatterjee (2525) |
1/2-1/2 |
Giuoco Pianissimo |
2024-08-03 |
| Ezra,Paul Chambers (2359) – Koustav,Chatterjee (2525) |
0-1 |
Ruy Lopez |
2024-08-02 |
| Koustav,Chatterjee (2525) – Yip,Carissa (2402) |
1-0 |
King's Indian, 3.Nf3 |
2024-08-02 |
| Koustav,Chatterjee (2525) – Gedajlovic,Max (2386) |
1-0 |
Nimzo-Indian |
2024-08-01 |
| Pacher,M (2384) – Koustav,Chatterjee (2525) |
1/2-1/2 |
QGD |
2024-07-31 |
| Koustav,Chatterjee (2525) – Li,Guohao (2331) |
1/2-1/2 |
Reti opening |
2024-07-31 |