207 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Koustav Chatterjee | Altman, Joshua | 1-0 | A06 | Round 7: Koustav Chatterjee - Altman, Joshua | 2026-09-07 |
| Koustav Chatterjee | Sethuraman, Sandeep | 1/2-1/2 | E04 | Round 9: Koustav Chatterjee - Sethuraman, Sandeep | 2026-09-07 |
| Koustav Chatterjee | Amburgy, Ryan | 1/2-1/2 | C50 | Round 5: Koustav Chatterjee - Amburgy, Ryan | 2026-09-05 |
| Koustav Chatterjee | Stremavicius, Titas | 1/2-1/2 | E05 | Round 2: Koustav Chatterjee - Stremavicius, Titas | 2026-09-04 |
| Koustav Chatterjee | Isanzhulov, Arystan | 0-1 | E47 | Finals | Game 2: Koustav Chatterjee - Isanzhulov, Arystan | 2026-08-09 |
| Koustav Chatterjee | Isanzhulov, Arystan | 0-1 | E52 | Finals | Tiebreaks: Koustav Chatterjee - Isanzhulov, Arystan | 2026-08-09 |
| Koustav Chatterjee | Kacharava, Nikolozi | 0-1 | E05 | Semifinals | Game 1: Koustav Chatterjee - Kacharava, Nikolozi | 2026-08-08 |
| Koustav Chatterjee | Mariano, Fabian Glen | 1/2-1/2 | D80 | Quarterfinals | Game 2: Koustav Chatterjee - Mariano, Fabian Glen | 2026-08-07 |
| Koustav Chatterjee | Tsarsitalidis, Konstantinos | 1-0 | D30 | Round 2 | Game 2: Koustav Chatterjee - Tsarsitalidis, Konstantinos | 2026-08-05 |
| Koustav Chatterjee | Arjun Gupta | 1-0 | E63 | Round 1 | Game 2: Koustav Chatterjee - Arjun Gupta | 2026-08-04 |
| Koustav Chatterjee | Rhea Mohapatra | 1-0 | A04 | rated rapid game | 2026-05-17 |
| Koustav Chatterjee | Young, Cohen | 1-0 | A15 | rated rapid game | 2026-05-16 |
| Koustav Chatterjee | Mudodo, Refiloe Hazel | 1-0 | A15 | rated rapid game | 2026-05-02 |
| Koustav Chatterjee | Orrego Palermo, Marcelo | 1-0 | A06 | rated rapid game | 2026-05-02 |
| Koustav Chatterjee | Rodrigue-Lemieux, Shawn | 1/2-1/2 | E60 | rated rapid game | 2026-05-02 |
| Koustav Chatterjee | Mukhametkali, Merey | 1-0 | E60 | rated rapid game | 2026-05-02 |
| Koustav Chatterjee | Ludwig, John | 1/2-1/2 | A07 | Round 8: Koustav Chatterjee - Ludwig, John | 2026-01-19 |
| Koustav Chatterjee | Hebbar, Eshaan | 1/2-1/2 | E97 | Round 6: Koustav Chatterjee - Hebbar, Eshaan | 2026-01-18 |
| Koustav Chatterjee | Lin, Bryan Enming | 1-0 | E94 | Round 4: Koustav Chatterjee - Lin, Bryan Enming | 2026-01-17 |
| Koustav Chatterjee | De Silva, L M S T | 1/2-1/2 | D31 | Round 1: Koustav Chatterjee - De Silva, L M S T | 2026-01-14 |
| Koustav Chatterjee | Lenderman, Aleksandr | 1/2-1/2 | A06 | Round 3: Koustav Chatterjee - Lenderman, Aleksandr | 2026-01-14 |
| Koustav Chatterjee | Zhang, Samuel | 1/2-1/2 | A15 | Round 6: Koustav Chatterjee - Zhang, Samuel | 2026-01-05 |
| Koustav Chatterjee | Shen, Christopher | 1/2-1/2 | E94 | Round 5: Koustav Chatterjee - Shen, Christopher | 2026-01-04 |
| Koustav Chatterjee | Shinn, Jungmin | 1-0 | A11 | Round 1: Koustav Chatterjee - Shinn, Jungmin | 2026-01-03 |
| Koustav Chatterjee | Sonis, Francesco | 1/2-1/2 | E00 | Round 3: Koustav Chatterjee - Sonis, Francesco | 2026-01-03 |
| Koustav Chatterjee | Alexander Katz | 1/2-1/2 | D34 | Round 9: Koustav Chatterjee - Alexander Katz | 2025-12-30 |
| Koustav Chatterjee | Lamaze, Simon | 1-0 | E94 | Round 5: Koustav Chatterjee - Lamaze, Simon | 2025-12-28 |
| Koustav Chatterjee | Caglar, Sila | 1-0 | D30 | 35th annual North American Open | 2025-12-27 |
| Koustav Chatterjee | Abdisalimov, Abdimalik | 1/2-1/2 | A62 | Round 7: Koustav Chatterjee - Abdisalimov, Abdimalik | 2025-12-26 |
| Koustav Chatterjee | Erenburg, Sergey | 1/2-1/2 | A11 | Round 9: Koustav Chatterjee - Erenburg, Sergey | 2025-11-30 |
| Koustav Chatterjee | Crump, Alexander J | 1-0 | A06 | Round 1: Koustav Chatterjee - Crump, Alexander J | 2025-11-26 |
| Koustav Chatterjee | Xiong, Jeffery | 1/2-1/2 | D30 | Round 5: Koustav Chatterjee - Xiong, Jeffery | 2025-11-24 |
| Koustav Chatterjee | Hong, Andrew | 1/2-1/2 | E90 | Round 6: Koustav Chatterjee - Hong, Andrew | 2025-11-24 |
| Koustav Chatterjee | Montes Orozco, Miguel Angel | 1-0 | A14 | Round 9: Koustav Chatterjee - Montes Orozco, Miguel Angel | 2024-09-03 |
| Koustav Chatterjee | Quesada Perez, Yasser | 0-1 | A07 | Round 7: Koustav Chatterjee - Quesada Perez, Yasser | 2024-09-02 |
| Koustav Chatterjee | Macovei, Andrei | 1/2-1/2 | E49 | Round 5: Koustav Chatterjee - Macovei, Andrei | 2024-09-01 |
| Koustav Chatterjee | Garcia Guerrero, Isaac Antonio | 1/2-1/2 | A06 | Round 3: Koustav Chatterjee - Garcia Guerrero, Isaac Antonio | 2024-08-31 |
| Koustav Chatterjee | Guo, Ethan | 1-0 | E60 | Round 1: Koustav Chatterjee - Guo, Ethan | 2024-08-30 |
| Koustav Chatterjee | Yip, Carissa | 1-0 | E60 | SixDays Budapest July GM B | 2024-08-02 |
| Koustav Chatterjee | Gedajlovic, Max | 1-0 | E49 | SixDays Budapest July GM B | 2024-08-01 |
| Koustav Chatterjee | Li, Guohao | 1/2-1/2 | A06 | SixDays Budapest July GM B | 2024-07-31 |
| Koustav Chatterjee | Fodor, Tamas Jr. | 0-1 | D46 | SixDays Budapest July GM B | 2024-07-30 |
| Koustav Chatterjee | Setyaki, Azarya Jodi | 1-0 | A06 | SixDays Budapest July GM B | 2024-07-29 |
| Koustav Chatterjee | Nurman, Alua | 1/2-1/2 | A05 | Biel Chess Festival MTO | 2024-07-25 |
| Koustav Chatterjee | Madaminov, Mukhiddin | 0-1 | D35 | Biel Chess Festival MTO | 2024-07-23 |
| Koustav Chatterjee | Sethuraman, S.P. | 1/2-1/2 | A53 | Biel Chess Festival MTO | 2024-07-20 |
| Koustav Chatterjee | Jumabayev, Rinat | 1/2-1/2 | A08 | Biel Chess Festival MTO | 2024-07-18 |
| Koustav Chatterjee | Haimovich, Tal | 1-0 | E49 | Biel Chess Festival MTO | 2024-07-16 |
| Koustav Chatterjee | Sabuk, Piotr | 1-0 | D35 | Festival Echecs Plagne 2024 | 2024-07-08 |
| Koustav Chatterjee | Warnier, Yanis | 1-0 | A06 | Festival Echecs Plagne 2024 | 2024-07-06 |
| Koustav Chatterjee | Gledura, Benjamin | 0-1 | D11 | Round 1: Koustav Chatterjee - Gledura, Benjamin | 2024-03-30 |
| Koustav Chatterjee | Terry Luo | 1-0 | E60 | Round 8: Koustav Chatterjee - Terry Luo | 2024-01-15 |
| Koustav Chatterjee | Akira Nakada | 1-0 | B12 | Round 6: Koustav Chatterjee - Akira Nakada | 2024-01-14 |
| Koustav Chatterjee | Tanitaluwa Adewumi | 1/2-1/2 | B40 | Round 5: Koustav Chatterjee - Tanitaluwa Adewumi | 2024-01-13 |
| Koustav Chatterjee | Mark Paragua | 1/2-1/2 | B52 | Round 3: Koustav Chatterjee - Mark Paragua | 2024-01-12 |
| Koustav Chatterjee | William Graif | 1-0 | B31 | Round 1: Koustav Chatterjee - William Graif | 2024-01-11 |
| Koustav Chatterjee | Arman Mikaelyan | 1-0 | E49 | Round 9: Koustav Chatterjee - Arman Mikaelyan | 2023-12-30 |
| Koustav Chatterjee | Jacob Furfine | 1-0 | A15 | Round 7: Koustav Chatterjee - Jacob Furfine | 2023-12-29 |
| Koustav Chatterjee | Zoey Tang | 1-0 | A06 | 33rd Annual North American Open | 2023-12-28 |
| Chatterjee Koustav | Aleksey Sorokin | 1/2-1/2 | A34 | Round 3: Chatterjee Koustav - Aleksey Sorokin | 2023-09-17 |
| Chatterjee Koustav | Nathaniel Philip Moor | 1-0 | A07 | Round 1: Chatterjee Koustav - Nathaniel Philip Moor | 2023-09-16 |
| Koustav Chatterjee | Xu, Yi | 1-0 | E49 | Menorca Open | 2023-04-15 |
| Koustav Chatterjee | Fier, Alexandr | 1-0 | E70 | Menorca Open | 2023-04-15 |
| Koustav Chatterjee | Gukesh D | 0-1 | E11 | Menorca Open | 2023-04-13 |
| Chatterjee, Koustav | Rithvik R, Raja | 1-0 | E49 | Fagernes Chess International 2023 | 2023-04-08 |
| Chatterjee, Koustav | Rozentalis, Eduardas | 1/2-1/2 | E11 | Fagernes Chess International 2023 | 2023-04-07 |
| Chatterjee, Koustav | Vestby-Ellingsen, Mads | 1-0 | E04 | Fagernes Chess International 2023 | 2023-04-03 |
| Koustav Chatterjee | Karthik Venkataraman | 0-1 | E04 | MPL 59th Indian Championship | 2023-01-02 |
| Koustav Chatterjee | Mitrabha, Guha | 1/2-1/2 | D35 | MPL 59th Indian Championship | 2022-12-31 |
| Koustav, Chatterjee | Aronyak, Ghosh | 1/2-1/2 | A46 | MPL 59th Senior National | 2022-12-27 |
| Koustav, Chatterjee | Nitin, S. | 1-0 | A05 | MPL 59th Senior National | 2022-12-25 |
| Koustav, Chatterjee | Gandhi, Anish | * | A11 | MPL 59th Senior National | 2022-12-23 |
| Koustav, Chatterjee | Chanda, Sandipan | 1-0 | A80 | Bangabandhu Premier Division Chess League 2022 | 2022-12-09 |
| Koustav, Chatterjee | Muthaiah, Al | 0-1 | A17 | Bangabandhu Premier Division Chess League 2022 | 2022-12-07 |
| Koustav, Chatterjee | Habibur Rahman, Sohel | 1-0 | B31 | Bangabandhu Premier Division Chess League 2022 | 2022-12-04 |
| Koustav, Chatterjee | Ghosh, Diptayan | 0-1 | E32 | Bangabandhu Premier Division Chess League 2022 | 2022-12-02 |
| Koustav, Chatterjee | Aaryan, Varshney | 1/2-1/2 | C97 | Bangabandhu Premier Division Chess League 2022 | 2022-11-30 |
| Chatterjee Koustav | Karthikeyan Ajay | 0-1 | A40 | Round 7: Chatterjee Koustav - Karthikeyan Ajay | 2022-09-25 |
| Chatterjee Koustav | Rajesh Zagade Gaurav | 1-0 | A64 | Round 1: Chatterjee Koustav - Rajesh Zagade Gaurav | 2022-09-21 |
| Chatterjee Koustav | Vedant Panesar | 1/2-1/2 | C50 | Round 3: Chatterjee Koustav - Vedant Panesar | 2022-09-21 |
| Chatterjee Koustav | Shrivatri Anuj | 1/2-1/2 | E46 | Round 9: Chatterjee Koustav - Shrivatri Anuj | 2022-07-16 |
| Chatterjee Koustav | Emin Ohanyan | 0-1 | A08 | Round 7: Chatterjee Koustav - Emin Ohanyan | 2022-07-14 |
| Chatterjee Koustav | R Praggnanandhaa | 0-1 | A28 | Round 5: Chatterjee Koustav - R Praggnanandhaa | 2022-07-12 |
| Chatterjee Koustav | Rao Sharan | 1-0 | D35 | Round 4: Chatterjee Koustav - Rao Sharan | 2022-07-11 |
| Chatterjee Koustav | Yichen Han | 1-0 | A15 | Round 2: Chatterjee Koustav - Yichen Han | 2022-07-09 |
| Chatterjee Koustav | Alexander Motylev | 1/2-1/2 | E06 | Round 9: Chatterjee Koustav - Alexander Motylev | 2022-07-06 |
| Chatterjee Koustav | Teodora Injac | 1/2-1/2 | A21 | Round 7: Chatterjee Koustav - Teodora Injac | 2022-07-04 |
| Chatterjee Koustav | Shrivatri Anuj | 1-0 | A48 | Round 5: Chatterjee Koustav - Shrivatri Anuj | 2022-07-02 |
| Chatterjee Koustav | Dejan Leskur | 1-0 | A88 | Round 1: Chatterjee Koustav - Dejan Leskur | 2022-06-28 |
| Chatterjee Koustav | Vugar Asadli | 1/2-1/2 | B51 | Round 8: Chatterjee Koustav - Vugar Asadli | 2021-10-26 |
| Chatterjee Koustav | Michal Krasenkow | 1/2-1/2 | B31 | Round 6: Chatterjee Koustav - Michal Krasenkow | 2021-10-24 |
| Chatterjee Koustav | N R Visakh | 1-0 | B51 | Round 3: Chatterjee Koustav - N R Visakh | 2021-10-21 |
| Chatterjee Koustav | Vadim Malakhatko | * | A06 | Round 7: Chatterjee Koustav - Vadim Malakhatko | 2021-10-16 |
| Chatterjee Koustav | Choudhury Anata | * | B53 | Round 5: Chatterjee Koustav - Choudhury Anata | 2021-10-14 |
| Chatterjee Koustav | Ghosh Aronyak | * | B00 | Round 3: Chatterjee Koustav - Ghosh Aronyak | 2021-10-12 |
| Chatterjee Koustav | Sheikh Nasir Ahmed | 1-0 | D37 | Round 11: Chatterjee Koustav - Sheikh Nasir Ahmed | 2021-10-08 |
| Chatterjee Koustav | Asyl Abdyjapar | 1-0 | B10 | Round 9: Chatterjee Koustav - Asyl Abdyjapar | 2021-10-06 |
| Chatterjee Koustav | Rahman Md. Taibur | * | D41 | Round 7: Chatterjee Koustav - Rahman Md. Taibur | 2021-10-04 |
| Chatterjee Koustav | Debaraj Chatterjee | 1-0 | D01 | Round 5: Chatterjee Koustav - Debaraj Chatterjee | 2021-10-02 |
| Chatterjee Koustav | Hasan Parag Mehdi | 1/2-1/2 | A07 | Round 3: Chatterjee Koustav - Hasan Parag Mehdi | 2021-10-01 |