| Mar 7, 2025 | Assylov | ½–½ | Sourath Biswas | Round 11: Assylov, Miras - Sourath Biswas | King's Indian Defense: Makogonov Variation | |
| Mar 6, 2025 | Sourath Biswas | 0–1 | Sherman | Round 10: Sourath Biswas - Sherman, Raem | Indian Defense | |
| Mar 5, 2025 | Ljepic | ½–½ | Sourath Biswas | Round 9: Ljepic, Andrej - Sourath Biswas | Caro-Kann Defense | |
| Mar 4, 2025 | Sourath Biswas | 1–0 | Alhejab | Round 8: Sourath Biswas - Alhejab, Meshal | Indian Defense | |
| Mar 3, 2025 | Cina` | 1–0 | Sourath Biswas | Round 7: Cina`, Vittorio - Sourath Biswas | King's Indian Defense: Makogonov Variation | |
| Mar 2, 2025 | Andjelic | 0–1 | Sourath Biswas | Round 6: Andjelic, Djordje - Sourath Biswas | Trompowsky Attack | |
| Mar 1, 2025 | Sourath Biswas | 0–1 | Sapenov | Round 5: Sourath Biswas - Sapenov, Daniyal | Indian Defense: London System | |
| Feb 28, 2025 | Sourath Biswas | 1–0 | Shtavica | Round 4: Sourath Biswas - Shtavica, Alaudin | Indian Defense | |
| Feb 27, 2025 | Lavrencic | 1–0 | Sourath Biswas | Round 3: Lavrencic, Matic - Sourath Biswas | Sicilian Defense: Taimanov Variation | |
| Feb 26, 2025 | Sourath Biswas | 1–0 | Racic | Round 2: Sourath Biswas - Racic, Andrej | Queen's Pawn Game: Accelerated London System | |
| Feb 25, 2025 | Babazada | 1–0 | Sourath Biswas | Round 1: Babazada, Khazar - Sourath Biswas | Caro-Kann Defense: Tartakower Variation | |
| Sep 24, 2024 | Sourath Biswas | 1–0 | Hari Ganesh T | Round 11: Sourath Biswas - Hari Ganesh T | Rubinstein Opening | |
| Sep 23, 2024 | Sourath Biswas | ½–½ | Bhattacharyya Soham | Round 10: Sourath Biswas - Bhattacharyya Soham | East Indian Defense | |
| Sep 22, 2024 | Madhvendra Pratap Sharma | ½–½ | Sourath Biswas | Round 9: Madhvendra Pratap Sharma - Sourath Biswas | Pirc Defense | |
| Sep 21, 2024 | Sourath Biswas | ½–½ | Alekhya Mukhopadhyay | Round 8: Sourath Biswas - Alekhya Mukhopadhyay | Van Geet Opening: Sicilian Two Knights | |
| Sep 20, 2024 | Sourath Biswas | 1–0 | Yohan Yadav Tarala | Round 6: Sourath Biswas - Yohan Yadav Tarala | Zukertort Opening | |
| Sep 20, 2024 | Sadbhav Rautela | 0–1 | Sourath Biswas | Round 7: Sadbhav Rautela - Sourath Biswas | Sicilian Defense: French Variation | |
| Sep 19, 2024 | Aahil Patra | ½–½ | Sourath Biswas | Round 5: Aahil Patra - Sourath Biswas | Catalan Opening: Open Defense, Classical Line | |
| Sep 18, 2024 | Sourath Biswas | ½–½ | Agnivo Chakraborty | Round 3: Sourath Biswas - Agnivo Chakraborty | Queen's Pawn Game: Accelerated London System | |
| Sep 18, 2024 | Vidit Sethi | 0–1 | Sourath Biswas | Round 4: Vidit Sethi - Sourath Biswas | King's Indian Defense: Normal Variation | |
| Sep 17, 2024 | Nirnay Garg | 0–1 | Sourath Biswas | Round 2: Nirnay Garg - Sourath Biswas | Caro-Kann Defense: Apocalypse Attack | |
| Sep 16, 2024 | Sourath Biswas | 1–0 | Gagan Sahu | Round 1: Sourath Biswas - Gagan Sahu | Indian Defense | |
| Jun 12, 2023 | Sourath Biswas | 0–1 | Flores | Aimchess Rapid Play-In | Champions Chess Tour | Indian Defense | |
| Jun 12, 2023 | Sourath Biswas | 1–0 | Hakobyan | Aimchess Rapid Play-In | Champions Chess Tour | Indian Defense | |
| Jun 12, 2023 | Sourath Biswas | 0–1 | Martinez Alcantara | Aimchess Rapid Play-In | Champions Chess Tour | Indian Defense | |
| Jun 12, 2023 | Sourath Biswas | 0–1 | Demidov | Aimchess Rapid Play-In | Champions Chess Tour | Zukertort Opening: Kingside Fianchetto | |
| Jun 12, 2023 | Sourath Biswas | ½–½ | Lobanov | Aimchess Rapid Play-In | Champions Chess Tour | Indian Defense | |
| Jun 12, 2023 | Dominguez Perez | 1–0 | Sourath Biswas | Aimchess Rapid Play-In | Champions Chess Tour | Caro-Kann Defense | |
| Jun 12, 2023 | Santiago | 0–1 | Sourath Biswas | Aimchess Rapid Play-In | Champions Chess Tour | King's Indian Defense: Normal Variation | |
| Jun 12, 2023 | Koellner | ½–½ | Sourath Biswas | Aimchess Rapid Play-In | Champions Chess Tour | East Indian Defense | |
| Jun 12, 2023 | Gordievsky | 1–0 | Sourath Biswas | Aimchess Rapid Play-In | Champions Chess Tour | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Apr 16, 2023 | Sourath Biswas | * | Shivakumar | Menorca Open | ? | |
| Apr 15, 2023 | Sourath Biswas | * | Pennica | Menorca Open | ? | |
| Apr 15, 2023 | Dhulipalla Bala Chandra Prasad | * | Sourath Biswas | Menorca Open | ? | |
| Apr 13, 2023 | Sourath Biswas | * | Del Rio De Angelis | Menorca Open | ? | |
| Apr 13, 2023 | Gurel | * | Sourath Biswas | Menorca Open | ? | |
| Apr 12, 2023 | Sourath Biswas | 1–0 | Ponseti Lluch | Menorca Open | ? | |
| Apr 12, 2023 | Tiglon | 1–0 | Sourath Biswas | Menorca Open | ? | |
| Apr 11, 2023 | Sourath Biswas | 1–0 | Umaran Del Campo | Menorca Open | ? | |
| Apr 9, 2023 | Biswas | 1–0 | Wallace | Fagernes Chess International 2023 | Indian Defense | |
| Apr 8, 2023 | Mota | 0–1 | Biswas | Fagernes Chess International 2023 | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| Apr 7, 2023 | Biswas | 1–0 | Ji | Fagernes Chess International 2023 | Queen's Pawn Game: Accelerated London System | |
| Apr 6, 2023 | Bentsen | 1–0 | Biswas | Fagernes Chess International 2023 | Caro-Kann Defense: Exchange Variation | |
| Apr 5, 2023 | Biswas | ½–½ | Sian | Fagernes Chess International 2023 | Slav Defense: Exchange Variation | |
| Apr 4, 2023 | Biswas | 0–1 | Vuppala | Fagernes Chess International 2023 | Indian Defense | |
| Apr 3, 2023 | Fiskaaen | 0–1 | Biswas | Fagernes Chess International 2023 | King's Indian Defense: Normal Variation | |
| Apr 2, 2023 | Biswas | 0–1 | Chatterjee | Fagernes Chess International 2023 | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Oct 25, 2021 | Biswas Sourath | 0–1 | Ulvi Sadikhov | Round 7: Biswas Sourath - Ulvi Sadikhov | Indian Defense | |
| Oct 24, 2021 | V Pranav | ½–½ | Biswas Sourath | Round 6: V Pranav - Biswas Sourath | Caro-Kann Defense: Advance Variation, Short Variation | |
| Oct 23, 2021 | Biswas Sourath | 0–1 | Kivanc Haznedaroglu | Round 5: Biswas Sourath - Kivanc Haznedaroglu | Indian Defense | |
| Oct 22, 2021 | Harikrishnan.A.Ra | ½–½ | Biswas Sourath | Round 4: Harikrishnan.A.Ra - Biswas Sourath | King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | |
| Oct 19, 2021 | Biswas Sourath | 0–1 | Misratdin Iskandarov | Round 1: Biswas Sourath - Misratdin Iskandarov | Rapport-Jobava System | |
| Oct 18, 2021 | Mahmood Lodhi | ½–½ | Biswas Sourath | Round 9: Mahmood Lodhi - Biswas Sourath | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Oct 17, 2021 | Biswas Sourath | ½–½ | Md. Taibur Rahman | Round 8: Biswas Sourath - Md. Taibur Rahman | Queen's Pawn Game: Accelerated London System | |
| Oct 16, 2021 | Khandaker Aminul Islam | * | Biswas Sourath | Round 7: Khandaker Aminul Islam - Biswas Sourath | Zukertort Opening | |
| Oct 15, 2021 | Biswas Sourath | 0–1 | Sharif Hossain Md. | Round 6: Biswas Sourath - Sharif Hossain Md. | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Oct 14, 2021 | Choudhury Swarnavo | 0–1 | Biswas Sourath | Round 5: Choudhury Swarnavo - Biswas Sourath | Caro-Kann Defense: Tartakower Variation | |
| Oct 13, 2021 | Biswas Sourath | 1–0 | Sheikh Nasir Ahmed | Round 4: Biswas Sourath - Sheikh Nasir Ahmed | Indian Defense: London System | |
| Oct 12, 2021 | Biswas Sourath | ½–½ | Tahsin Tajwar Zia | Round 3: Biswas Sourath - Tahsin Tajwar Zia | Indian Defense | |
| Oct 11, 2021 | Nubairshah Shaikh Mohammad | * | Biswas Sourath | Round 2: Nubairshah Shaikh Mohammad - Biswas Sourath | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| Oct 11, 2021 | Biswas Sourath | 1–0 | Alexey Kislinsky | Round 1: Biswas Sourath - Alexey Kislinsky | Indian Defense | |
| Oct 8, 2021 | Debaraj Chatterjee | ½–½ | Biswas Sourath | Round 11: Debaraj Chatterjee - Biswas Sourath | King's Indian Defense: Orthodox Variation, Bayonet Attack | |
| Oct 7, 2021 | Biswas Sourath | 1–0 | Alexey Kislinsky | Round 10: Biswas Sourath - Alexey Kislinsky | Queen's Pawn Game: Modern Defense | |
| Oct 6, 2021 | Hasan Parag Mehdi | ½–½ | Biswas Sourath | Round 9: Hasan Parag Mehdi - Biswas Sourath | Caro-Kann Defense: Advance Variation, Short Variation | |
| Oct 5, 2021 | Biswas Sourath | 0–1 | Chatterjee Koustav | Round 8: Biswas Sourath - Chatterjee Koustav | Rapport-Jobava System | |
| Oct 4, 2021 | Tahsin Tajwar Zia | * | Biswas Sourath | Round 7: Tahsin Tajwar Zia - Biswas Sourath | ? | |
| Oct 3, 2021 | Biswas Sourath | ½–½ | Sheikh Nasir Ahmed | Round 6: Biswas Sourath - Sheikh Nasir Ahmed | Indian Defense | |
| Oct 2, 2021 | Mahmood Lodhi | 1–0 | Biswas Sourath | Round 5: Mahmood Lodhi - Biswas Sourath | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Oct 1, 2021 | Biswas Sourath | 0–1 | Asyl Abdyjapar | Round 4: Biswas Sourath - Asyl Abdyjapar | Indian Defense | |
| Sep 30, 2021 | Rahman Md. Taibur | 0–1 | Biswas Sourath | Round 2: Rahman Md. Taibur - Biswas Sourath | King's Indian Defense: Orthodox Variation | |
| Sep 30, 2021 | Biswas Sourath | 1–0 | Reja Neer Manon | Round 1: Biswas Sourath - Reja Neer Manon | Indian Defense | |
| Sep 28, 2021 | Biswas Sourath | 0–1 | Vadim Malakhatko | Round 9: Biswas Sourath - Vadim Malakhatko | Rapport-Jobava System | |
| Sep 23, 2021 | Biswas Sourath | * | Enamul Hossain | Round 5: Biswas Sourath - Enamul Hossain | Queen's Pawn Game: Accelerated London System | |
| Sep 22, 2021 | Deep Sengupta | ½–½ | Biswas Sourath | Round 4: Deep Sengupta - Biswas Sourath | Queen's Pawn Game: Barry Attack | |
| Sep 20, 2021 | Saha Neelash | 1–0 | Biswas Sourath | Round 2: Ziaur Rahman - Player 26 | Benoni Defense: Benoni-Indian Defense, Kingside Move Order | |