| Jun 18, 2026 | Panesar Vedant | 1–0 | Kaustuv | 360 ONE MASTERS CHESS TOURNAMENT 2026 | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jun 17, 2026 | Borgaonkar Akshay | ½–½ | Kaustuv | 360 ONE MASTERS CHESS TOURNAMENT 2026 | Sicilian Defense: Accelerated Dragon, Modern Variation | |
| Jun 16, 2026 | Kaustuv | 1–0 | Daaevik Wadhawan | 360 ONE MASTERS CHESS TOURNAMENT 2026 | King's Indian Attack, with e6 | |
| Jun 15, 2026 | Omelja | ½–½ | Kaustuv | 360 ONE MASTERS CHESS TOURNAMENT 2026 | Nimzo-Indian Defense: Classical Variation, Berlin Variation, Pirc Variation | |
| Jun 14, 2026 | Kaustuv | 1–0 | Sobh | 360 ONE MASTERS CHESS TOURNAMENT 2026 | King's Indian Attack, with Bf5 | |
| Jun 13, 2026 | Sammed Jaykumar | 1–0 | Kaustuv | 360 ONE MASTERS CHESS TOURNAMENT 2026 | King's Indian Defense: Semi-Averbakh System | |
| Jun 12, 2026 | Kaustuv | 0–1 | Ayush Sharma | 360 ONE MASTERS CHESS TOURNAMENT 2026 | King's Indian Attack: Sicilian Variation | |
| Jun 11, 2026 | Soham Kamotra | ½–½ | Kaustuv | 360 ONE MASTERS CHESS TOURNAMENT 2026 | King's Indian Defense: Averbakh Variation, Modern Defense | |
| Jun 10, 2026 | Kaustuv | 1–0 | Gorovets | 360 ONE MASTERS CHESS TOURNAMENT 2026 | Tarrasch Defense: Dubov Tarrasch | |
| May 30, 2026 | Kaustuv | ½–½ | Harsh Suresh | Round 10: Kaustuv, Kundu - Harsh Suresh | King's Indian Attack, with e6 | |
| May 28, 2026 | Sriram Adarsh Uppala | 1–0 | Kaustuv | Round 8: Sriram Adarsh Uppala - Kaustuv, Kundu | King's Indian Defense: Petrosian Variation, Stein Defense | |
| May 27, 2026 | Kaustuv | ½–½ | Sethuraman | Round 7: Kaustuv, Kundu - Sethuraman, S.P. | Zukertort Opening: Kingside Fianchetto | |
| May 27, 2026 | Ayush Sharma | 0–1 | Kaustuv | Round 6: Ayush Sharma - Kaustuv, Kundu | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| May 26, 2026 | Kaustuv | ½–½ | Aleksandrov | Round 5: Kaustuv, Kundu - Aleksandrov, Aleksej | King's Indian Attack: Spassky Variation | |
| May 25, 2026 | Chanda | 0–1 | Kaustuv | Round 4: Chanda, Sandipan - Kaustuv, Kundu | Rapport-Jobava System | |
| Mar 13, 2026 | Karthikeyan | 1–0 | Kaustuv | Round 5: Karthikeyan, Murali - Kaustuv, Kundu | Sicilian Defense: Old Sicilian | |
| Mar 13, 2026 | Kaustuv | 1–0 | Arjun Kalyan | Round 4: Kaustuv, Kundu - Arjun Kalyan | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Mar 13, 2026 | Iniyan | 0–1 | Kaustuv | Round 3: Iniyan, Pa - Kaustuv, Kundu | King's Indian Defense: Semi-Averbakh System | |
| Mar 13, 2026 | Kaustuv | 0–1 | Mitrabha | Round 9: Kaustuv, Kundu - Mitrabha, Guha | English Opening: Anglo-Indian Defense, Queen's Indian Formation | |
| Mar 12, 2026 | Kaustuv | 0–1 | Hari Madhavan N B | Round 9: Kaustuv, Kundu - Hari Madhavan N B | English Opening: Agincourt Defense | |
| Mar 12, 2026 | Kaustuv | 1–0 | Kshatriya Nitin Vekhande | Round 8: Kaustuv, Kundu - Kshatriya Nitin Vekhande | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Mar 12, 2026 | Dhulipalla Bala Chandra Prasad | ½–½ | Kaustuv | Round 7: Dhulipalla Bala Chandra Prasad - Kaustuv, Kundu | Queen's Pawn Game: London System | |
| Mar 12, 2026 | Kaustuv | ½–½ | Arjun Kalyan | Round 6: Kaustuv, Kundu - Arjun Kalyan | English Opening: Agincourt Defense | |
| Mar 11, 2026 | Aaryan Varshney | 0–1 | Kaustuv | Round 5: Aaryan Varshney - Kaustuv, Kundu | Queen's Gambit Declined: Three Knights Variation | |
| Mar 10, 2026 | Kaustuv | ½–½ | Puranik | Round 4: Kaustuv, Kundu - Puranik, Abhimanyu | English Opening: Neo-Catalan | |
| Jan 26, 2026 | Sammed Jaykumar | ½–½ | Kaustuv | Festival Caissa – Sceptre Rapid FIDE Rating Chess Tournament | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Jan 26, 2026 | Kaustuv | 0–1 | Pranav Anand | Festival Caissa – Sceptre Rapid FIDE Rating Chess Tournament | King's Indian Attack: Sicilian Variation | |
| Jan 26, 2026 | Aakash Sharadchandra | 0–1 | Kaustuv | Festival Caissa – Sceptre Rapid FIDE Rating Chess Tournament | King's Indian Defense: Orthodox Variation, Glek Defense | |
| Jan 25, 2026 | Harikrishnan.A.Ra | 1–0 | Kaustuv | Festival Caissa – Chalice Rapid FIDE Rating Chess Tournament | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Jan 25, 2026 | Kaustuv | ½–½ | Pranav Anand | Festival Caissa – Chalice Rapid FIDE Rating Chess Tournament | English Opening: Neo-Catalan | |
| Jan 24, 2026 | Kaustuv | 0–1 | Dhulipalla Bala Chandra Prasad | Festival Caissa – Crown Rapid FIDE Rating Chess Tournament | King's Indian Attack: Keres Variation | |
| Jan 24, 2026 | Barath Kalyan M | ½–½ | Kaustuv | Festival Caissa – Crown Rapid FIDE Rating Chess Tournament | Nimzo-Larsen Attack: English Variation | |
| Jan 24, 2026 | Kaustuv | 1–0 | Matta | Festival Caissa – Crown Rapid FIDE Rating Chess Tournament | English Opening: Symmetrical Variation, Double Fianchetto | |
| Nov 26, 2025 | Boricha Yohan | 0–1 | Kaustuv | Round 9: Boricha Yohan - Kaustuv, Kundu | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations | |
| Nov 25, 2025 | Kaustuv | 0–1 | Zhong | Round 8: Kaustuv, Kundu - Zhong, Kangmin | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Nov 24, 2025 | Goriachkina | 0–1 | Kaustuv | Round 7: Goriachkina, Oksana - Kaustuv, Kundu | Queen's Gambit Declined: Three Knights Variation | |
| Nov 23, 2025 | Kaustuv | 1–0 | Choubey Saurabh | Round 6: Kaustuv, Kundu - Choubey Saurabh | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Nov 23, 2025 | Kaustuv | 0–1 | Alizada | Round 5: Kaustuv, Kundu - Alizada, Pasham | King's Indian Attack: Symmetrical Defense | |
| Nov 22, 2025 | Guliyev | 0–1 | Kaustuv | Round 7: Guliyev, Yusif - Kaustuv, Kundu | Sicilian Defense: Keres Variation | |
| Nov 22, 2025 | Kaustuv | 0–1 | Baghishov | Round 6: Kaustuv, Kundu - Baghishov, Anar | King's Indian Defense: Normal Variation, Rare Defenses | |
| Nov 22, 2025 | Shaurya Chaudhary | 1–0 | Kaustuv | Round 5: Shaurya Chaudhary - Kaustuv, Kundu | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Nov 22, 2025 | Kaustuv | 0–1 | Gong | Round 4: Kaustuv, Kundu - Gong, Sunle | English Opening: Agincourt Defense, Catalan Defense Accepted | |
| Nov 22, 2025 | Fatullayev | 0–1 | Kaustuv | Round 3: Fatullayev, Emil - Kaustuv, Kundu | Indian Defense | |
| Nov 22, 2025 | Kaustuv | 1–0 | Gulumov | Round 2: Kaustuv, Kundu - Gulumov, Muthat | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| Nov 22, 2025 | Nasibli | 0–1 | Kaustuv | Round 1: Nasibli, Amin - Kaustuv, Kundu | Sicilian Defense: Classical Variation | |
| Nov 22, 2025 | Sangma | 0–1 | Kaustuv | Round 4: Sangma, Rahul - Kaustuv, Kundu | English Opening: Symmetrical Variation, Four Knights Variation | |
| Nov 21, 2025 | Kaustuv | 1–0 | Masoumi | Round 3: Kaustuv, Kundu - Masoumi, Sahar | Réti Opening: Advance Variation, Michel Gambit | |
| Nov 21, 2025 | Rzayev | 1–0 | Kaustuv | Round 2: Rzayev, Askar Aliakbar - Kaustuv, Kundu | Sicilian Defense: Alapin Variation, Stoltz Attack | |
| Nov 20, 2025 | Kaustuv | 1–0 | Imani | Round 1: Kaustuv, Kundu - Imani, Adrina | English Opening: Neo-Catalan | |
| Nov 17, 2025 | Kaustuv | ½–½ | Rustamov | Round 9: Kaustuv, Kundu - Rustamov, Rustam | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Nov 16, 2025 | Masoumi | 0–1 | Kaustuv | Round 9: Masoumi, Sahar - Kaustuv, Kundu | Sicilian Defense: Smith-Morra Gambit | |
| Nov 16, 2025 | Kaustuv | 1–0 | Mammadov | Round 8: Kaustuv, Kundu - Mammadov, Fuad | English Opening: Agincourt Defense, Neo-Catalan Declined, Early b3 | |
| Nov 16, 2025 | Mursalzade | 1–0 | Kaustuv | Round 7: Mursalzade, Javad - Kaustuv, Kundu | King's Indian Defense | |
| Nov 16, 2025 | Kaustuv | 1–0 | Mohamadi | Round 6: Kaustuv, Kundu - Mohamadi, Niyousha | King's Indian Attack: Spassky Variation | |
| Nov 16, 2025 | Gurbanov | 1–0 | Kaustuv | Round 5: Gurbanov, Huseyn - Kaustuv, Kundu | Nimzo-Larsen Attack: English Variation | |
| Nov 16, 2025 | Kaustuv | 0–1 | Davudov | Round 4: Kaustuv, Kundu - Davudov, Tunar | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Nov 16, 2025 | Imani | 0–1 | Kaustuv | Round 3: Imani, Adrina - Kaustuv, Kundu | King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | |
| Nov 16, 2025 | Kaustuv | 1–0 | Mammadzada | Round 2: Kaustuv, Kundu - Mammadzada, Tural | Zukertort Opening | |
| Nov 16, 2025 | Ibrahimov | 0–1 | Kaustuv | Round 1: Ibrahimov, Mazahir - Kaustuv, Kundu | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Nov 16, 2025 | Sanikidze | ½–½ | Kaustuv | Round 8: Sanikidze, Tornike - Kaustuv, Kundu | Queen's Pawn Game: Symmetrical Variation | |
| Nov 15, 2025 | Yonal | 0–1 | Kaustuv | Round 7: Yonal, Timur - Kaustuv, Kundu | Zukertort Opening: Sicilian Invitation | |
| Nov 15, 2025 | Kaustuv | 0–1 | Rzayev | Round 6: Kaustuv, Kundu - Rzayev, Askar Aliakbar | King's Indian Attack | |
| Nov 15, 2025 | Kaustuv | ½–½ | Noy | Round 5: Kaustuv, Kundu - Noy, Eyal | English Opening: Agincourt Defense, Catalan Defense Accepted | |
| Nov 15, 2025 | Mehtiyev | 0–1 | Kaustuv | Round 4: Mehtiyev, Elnur - Kaustuv, Kundu | Indian Defense | |
| Nov 15, 2025 | Kaustuv | 1–0 | Boricha Yohan | Round 3: Kaustuv, Kundu - Boricha Yohan | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Nov 15, 2025 | Shreyas | ½–½ | Kaustuv | Round 2: Shreyas - Kaustuv, Kundu | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Nov 15, 2025 | Kaustuv | 1–0 | Ahmadli | Round 1: Kaustuv, Kundu - Ahmadli, Mehriban | English Opening: Neo-Catalan | |
| Nov 15, 2025 | Kaustuv | ½–½ | Aizenberg | Round 7: Kaustuv, Kundu - Aizenberg, Benny | English Opening: Symmetrical Variation | |
| Nov 14, 2025 | Mayank Chakraborty | ½–½ | Kaustuv | Round 6: Mayank Chakraborty - Kaustuv, Kundu | Zukertort Opening | |
| Nov 14, 2025 | Kaustuv | ½–½ | Alekseev | Round 5: Kaustuv, Kundu - Alekseev, Evgeny | English Opening: Symmetrical Variation, Four Knights Variation | |
| Nov 13, 2025 | Baghirov | 0–1 | Kaustuv | Round 4: Baghirov, Mahammad - Kaustuv, Kundu | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Nov 12, 2025 | Kaustuv | 1–0 | Matyakubov | Round 3: Kaustuv, Kundu - Matyakubov, Miraziz | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Nov 12, 2025 | Allahverdi | 1–0 | Kaustuv | Round 2: Allahverdi, Zahra - Kaustuv, Kundu | King's Indian Defense: Fianchetto Variation, Larsen Defense | |
| Nov 11, 2025 | Kaustuv | 1–0 | Shaurya Chaudhary | Round 1: Kaustuv, Kundu - Shaurya Chaudhary | Réti Opening: Advance Variation, Michel Gambit | |
| Sep 6, 2025 | Kaustuv | 1–0 | Jubin Jimmy | Round 6: Kaustuv, Kundu - Jubin Jimmy | Slav Defense | |
| Sep 6, 2025 | Kaustuv | 1–0 | Swayams | Round 5: Kaustuv, Kundu - Swayams, Mishra | Zukertort Opening: Reversed Grünfeld | |
| Sep 6, 2025 | Goutham Krishna H | 1–0 | Kaustuv | Round 4: Goutham Krishna H - Kaustuv, Kundu | King's Indian Defense: Larsen Variation | |
| Sep 6, 2025 | Kaustuv | * | Vrashank Chouhan | Round 3: Kaustuv, Kundu - Vrashank Chouhan | ? | |
| Sep 6, 2025 | Kaustuv | 1–0 | Vrashank Chouhan | Round 3: Kaustuv, Kundu - Vrashank Chouhan | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Sep 6, 2025 | Deepan Chakkravarthy J. | 1–0 | Kaustuv | Round 2: Deepan Chakkravarthy J. - Kaustuv, Kundu | Zukertort Opening: Nimzo-Larsen Variation | |
| Sep 6, 2025 | Kaustuv | * | Arul Anandh S P K | Round 1: Kaustuv, Kundu - Arul Anandh S P K | ? | |
| Sep 6, 2025 | Kaustuv | ½–½ | Arul Anandh S P K | Round 1: Kaustuv, Kundu - Arul Anandh S P K | King's Indian Attack | |
| May 2, 2025 | Mohammad Abul Hashem | 0–1 | Kaustuv | Round 9: Mohammad Abul Hashem, Kohen - Kaustuv, Kundu | King's Indian Defense | |
| May 1, 2025 | Kaustuv | 1–0 | Ayas | Round 8: Kaustuv, Kundu - Ayas, Abdulla Khajir Bin | Zukertort Opening: Reversed Grünfeld | |
| Apr 30, 2025 | Mohammad Sajid Bin | 0–1 | Kaustuv | Round 7: Mohammad Sajid Bin, Zahid - Kaustuv, Kundu | London System | |
| Apr 29, 2025 | Kaustuv | 0–1 | Rubel | Round 6: Kaustuv, Kundu - Rubel, Hossen | King's Indian Attack: Sicilian Variation | |
| Apr 28, 2025 | Mohammed | 0–1 | Kaustuv | Round 5: Mohammed, Shaker Ullah - Kaustuv, Kundu | Sicilian Defense: Sozin Attack, Main Line | |
| Apr 27, 2025 | Kaustuv | ½–½ | Aaditya Dhingra | Round 4: Kaustuv, Kundu - Aaditya Dhingra | King's Indian Attack | |
| Apr 26, 2025 | Ahmed | 0–1 | Kaustuv | Round 3: Ahmed, Sheikh Nasir - Kaustuv, Kundu | Scotch Game: Mieses Variation | |
| Apr 25, 2025 | Abdul | 0–1 | Kaustuv | Round 2: Abdul, Momin - Kaustuv, Kundu | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations | |
| Apr 24, 2025 | Mohammad Fahad | ½–½ | Kaustuv | Round 1: Mohammad Fahad, Rahman - Kaustuv, Kundu | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Apr 16, 2025 | Kaustuv | 0–1 | Aarav Sinha | Round 8: Kaustuv, Kundu - Aarav Sinha | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Apr 15, 2025 | Podolchenko | 1–0 | Kaustuv | Round 7: Podolchenko, Evgeniy - Kaustuv, Kundu | King's Indian Defense: Orthodox Variation | |
| Apr 13, 2025 | Kaustuv | ½–½ | Schekachikhin | Round 6: Kaustuv, Kundu - Schekachikhin, Maksim | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Apr 13, 2025 | Mehta Naitik R | 0–1 | Kaustuv | Round 5: Mehta Naitik R - Kaustuv, Kundu | Ruy Lopez: Open, Classical Defense | |
| Apr 12, 2025 | Kaustuv | 0–1 | Sanket Chakravarty | Round 4: Kaustuv, Kundu - Sanket Chakravarty | Zukertort Opening: Reversed Grünfeld | |
| Apr 11, 2025 | Kaustuv | 1–0 | Majumder Shrayan | Round 2: Kaustuv, Kundu - Majumder Shrayan | King's Indian Attack | |
| Apr 11, 2025 | Ram Aravind L N | 0–1 | Kaustuv | Round 3: Ram Aravind L N - Kaustuv, Kundu | Pirc Defense | |
| Apr 10, 2025 | Syed Abdul Khader | 0–1 | Kaustuv | Round 1: Syed Abdul Khader - Kaustuv, Kundu | King's Indian Attack: Symmetrical Defense | |
| Mar 31, 2025 | Kaustuv | 1–0 | Sparsh Khandelwal | Round 9: Kaustuv, Kundu - Sparsh Khandelwal | Petrov's Defense | |