| Jan 2, 2026 | Hagner | ½–½ | Kalavannan | Round 9: Hagner, Bennet - Kalavannan, Koby | Sicilian Defense: Nimzo-American Variation | |
| Jan 1, 2026 | Kalavannan | 1–0 | Ward | Round 8: Kalavannan, Koby - Ward, Cian | Catalan Opening: Open Defense, Classical Line | |
| Jan 1, 2026 | Ashton | ½–½ | Kalavannan | Round 7: Ashton, Adam G - Kalavannan, Koby | Sicilian Defense: Godiva Variation | |
| Dec 31, 2025 | Kalavannan | 1–0 | Ortiz Sanchez | Round 6: Kalavannan, Koby - Ortiz Sanchez, Luis | Catalan Opening: Open Defense | |
| Dec 30, 2025 | White | 0–1 | Kalavannan | Round 5: White, Stuart A - Kalavannan, Koby | Rat Defense: English Rat | |
| Dec 30, 2025 | Kalavannan | 0–1 | Hobson | Round 4: Kalavannan, Koby - Hobson, Kenneth | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Dec 29, 2025 | Varney | 0–1 | Kalavannan | Round 3: Varney, Zoe - Kalavannan, Koby | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| Dec 29, 2025 | Kalavannan | 0–1 | Plat | Round 2: Kalavannan, Koby - Plat, Vojtech | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Dec 28, 2025 | Rida | 0–1 | Kalavannan | Round 1: Rida, Ruqayyah - Kalavannan, Koby | Sicilian Defense: Godiva Variation | |
| Dec 7, 2025 | Abhyuday | 1–0 | Kalavannan | Round 10: Abhyuday, Santhosh - Kalavannan, Koby | Scandinavian Defense | |
| Dec 7, 2025 | Kalavannan | 1–0 | McLachlan | Round 9: Kalavannan, Koby - McLachlan, Matthew | Zukertort Opening: Nimzo-Larsen Variation | |
| Dec 7, 2025 | Aghayev | 1–0 | Kalavannan | Round 8: Aghayev, Miragha - Kalavannan, Koby | Indian Defense: Przepiorka Variation | |
| Dec 7, 2025 | Kalavannan | ½–½ | Iniyan | Round 7: Kalavannan, Koby - Iniyan, Pa | Zukertort Opening: Nimzo-Larsen Variation | |
| Dec 7, 2025 | Han | 0–1 | Kalavannan | Round 6: Han, Qixiang - Kalavannan, Koby | Indian Defense: Wade-Tartakower Defense | |
| Dec 6, 2025 | Kalavannan | 1–0 | Koschetzki | Round 5: Kalavannan, Koby - Koschetzki, Christian | Zukertort Opening: Sicilian Invitation | |
| Dec 6, 2025 | Dominguez Perez | 1–0 | Kalavannan | Round 3: Dominguez Perez, Leinier - Kalavannan, Koby | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation | |
| Dec 6, 2025 | Sommerbauer-Cornell | 0–1 | Kalavannan | Round 2: Sommerbauer-Cornell, Ben - Kalavannan, Koby | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Dec 6, 2025 | Kalavannan | 1–0 | Han | Round 1: Kalavannan, Koby - Han, Qixuan | Réti Opening: Anglo-Slav Variation, New York System | |
| Dec 3, 2025 | Rushbrooke | 0–1 | Kalavannan | Round 9: Rushbrooke, Remy - Kalavannan, Koby | Indian Defense: Wade-Tartakower Defense | |
| Dec 2, 2025 | Kalavannan | 1–0 | Kapechun | Round 8: Kalavannan, Koby - Kapechun, Mikhailo | Zukertort Opening: Sicilian Invitation | |
| Dec 1, 2025 | Hanache | 1–0 | Kalavannan | Round 7: Hanache, Kai - Kalavannan, Koby | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Nov 30, 2025 | Kalavannan | 0–1 | Magold | Round 6: Kalavannan, Koby - Magold, Filip | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 | |
| Nov 30, 2025 | Pollack | 0–1 | Kalavannan | Round 5: Pollack, Oscar - Kalavannan, Koby | Scandinavian Defense: Modern Variation | |
| Nov 29, 2025 | Kalavannan | 1–0 | Deepak Ambattu | Round 4: Kalavannan, Koby - Deepak Ambattu, Rithvik | Zukertort Opening | |
| Nov 28, 2025 | Hagesather | ½–½ | Kalavannan | Round 3: Hagesather, Arne - Kalavannan, Koby | Indian Defense | |
| Nov 28, 2025 | Kalavannan | 0–1 | Vortmeier | Round 2: Kalavannan, Koby - Vortmeier, Jan | King's Indian Defense: Semi-Averbakh System | |
| Nov 27, 2025 | Smirin | 1–0 | Kalavannan | Round 1: Smirin, Ilia - Kalavannan, Koby | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation | |
| Nov 24, 2025 | Kalavannan | ½–½ | Allorant | Round 4: Kalavannan, Koby - Allorant, Adrien | Zukertort Opening: Sicilian Invitation | |
| Jul 9, 2025 | Bullen | 0–1 | Kalavannan | Round 9: Bullen, Alex - Kalavannan, Koby | Pseudo Queen's Indian Defense | |
| Jul 8, 2025 | Kalavannan | 1–0 | Waddington | Round 8: Kalavannan, Koby - Waddington, Mike P | King's Indian Attack: Symmetrical Defense | |
| Jul 7, 2025 | Kalavannan | 1–0 | Davis | Round 7: Kalavannan, Koby - Davis, Cameron | Nimzo-Larsen Attack: Classical Variation | |
| Jul 6, 2025 | Kalavannan | 1–0 | Honey | Round 5: Kalavannan, Koby - Honey, Luke Anthony | English Opening: Caro-Kann Defensive System | |
| Jul 6, 2025 | Smith | ½–½ | Kalavannan | Round 4: Smith, Olivia - Kalavannan, Koby | Sicilian Defense: Closed, Traditional | |
| Jul 5, 2025 | Kalavannan | 1–0 | Fowler | Round 3: Kalavannan, Koby - Fowler, Hugo | English Opening: Symmetrical Variation, Fianchetto Variation | |
| Jul 4, 2025 | Duke | ½–½ | Kalavannan | Round 2: Duke, Dillan - Kalavannan, Koby | Sicilian Defense: Godiva Variation | |
| Jul 4, 2025 | Kalavannan | 1–0 | Thomas | Round 1: Kalavannan, Koby - Thomas, Mark | King's Indian Defense: Semi-Averbakh System | |
| Jul 2, 2025 | Balaji | 1–0 | Kalavannan | Round 6: Balaji, Aaravamudhan - Kalavannan, Koby | King's Indian Defense: Normal Variation, Rare Defenses | |
| May 31, 2025 | Kalavannan | 1–0 | Lazarus | Round 9: Kalavannan, Koby - Lazarus, Simon E | English Opening: Agincourt Defense | |
| May 30, 2025 | Kalavannan | 1–0 | Keohane | Round 8: Kalavannan, Koby - Keohane, Ben | Zukertort Opening: Queen's Gambit Invitation | |
| May 30, 2025 | Jones | 0–1 | Kalavannan | Round 7: Jones, Graeme - Kalavannan, Koby | Sicilian Defense: McDonnell Attack | |
| May 29, 2025 | Kalavannan | 0–1 | Hedger | Round 6: Kalavannan, Koby - Hedger, Alec | King's Indian Attack | |
| May 28, 2025 | Kothari | 1–0 | Kalavannan | Round 5: Kothari, Jai - Kalavannan, Koby | Sicilian Defense: Closed, Traditional | |
| May 28, 2025 | Kalavannan | 0–1 | Ghasi | Round 4: Kalavannan, Koby - Ghasi, Ameet K | Zukertort Opening: Quiet System | |
| May 26, 2025 | Kalavannan | 1–0 | Camacho Collados | Round 2: Kalavannan, Koby - Camacho Collados, Marcos | King's Indian Attack: Spassky Variation | |
| May 26, 2025 | Yu | 0–1 | Kalavannan | Round 1: Yu, Rock - Kalavannan, Koby | Zukertort Opening: Kingside Fianchetto | |
| May 25, 2025 | Siva Mahadevan | 1–0 | Kalavannan | Round 3: Siva Mahadevan - Kalavannan, Koby | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Apr 21, 2025 | Kalavannan | ½–½ | Badacsonyi | Round 9: Kalavannan, Koby - Badacsonyi, Frankie | English Opening: Agincourt Defense | |
| Apr 20, 2025 | Kalavannan | 1–0 | Fitzsimons | Round 7: Kalavannan, Koby - Fitzsimons, David | English Opening: Neo-Catalan | |
| Apr 20, 2025 | Bezuidenhout | ½–½ | Kalavannan | Round 8: Bezuidenhout, Roland - Kalavannan, Koby | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Apr 19, 2025 | Ruzhansky | 0–1 | Kalavannan | Round 5: Ruzhansky, Elias - Kalavannan, Koby | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation | |
| Apr 18, 2025 | Kalavannan | 1–0 | Hobson | Round 4: Kalavannan, Koby - Hobson, Kenneth | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Apr 18, 2025 | Shearsby | 0–1 | Kalavannan | Round 3: Shearsby, Jude - Kalavannan, Koby | Scandinavian Defense: Modern Variation | |
| Apr 17, 2025 | Kalavannan | 0–1 | Zwardon | Round 2: Kalavannan, Koby - Zwardon, Vojtech | Catalan Opening: Open Defense | |
| Apr 17, 2025 | Li | 1–0 | Kalavannan | Round 1: Li, Wenxiang - Kalavannan, Koby | King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Advance Line | |
| Apr 15, 2025 | O`Gorman | 0–1 | Kalavannan | Round 6: O`Gorman, Tom - Kalavannan, Koby | King's Indian Defense: Orthodox Variation, Positional Defense | |
| Apr 12, 2025 | O`Gorman | 1–0 | Kalavannan | Round 9: O`Gorman, Tom - Kalavannan, Koby | Indian Defense: London System | |
| Apr 11, 2025 | Kalavannan | 1–0 | Gurner | Round 8: Kalavannan, Koby - Gurner, Jem | King's Indian Attack: Symmetrical Defense | |
| Apr 10, 2025 | Toma | 0–1 | Kalavannan | Round 7: Toma, Katarzyna - Kalavannan, Koby | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation | |
| Apr 9, 2025 | Kalavannan | 0–1 | Rozentalis | Round 6: Kalavannan, Koby - Rozentalis, Eduardas | Queen's Indian Defense: Fianchetto Variation, Kramnik Variation | |
| Apr 8, 2025 | Mohr | ½–½ | Kalavannan | Round 5: Mohr, Georg - Kalavannan, Koby | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Apr 7, 2025 | Kalavannan | 1–0 | Arkell | Round 4: Kalavannan, Koby - Arkell, Keith C | English Opening: Symmetrical Variation, Full Symmetry Line | |
| Apr 7, 2025 | Franco | 0–1 | Kalavannan | Round 3: Franco, Gaston - Kalavannan, Koby | Sicilian Defense: Godiva Variation | |
| Apr 6, 2025 | Kalavannan | 1–0 | Clarke | Round 2: Kalavannan, Koby - Clarke, Connor | Zukertort Opening | |
| Apr 5, 2025 | Brixel | 1–0 | Kalavannan | Round 1: Brixel, Christof, Dr. - Kalavannan, Koby | English Opening: Symmetrical Variation, Fianchetto Variation | |
| Mar 17, 2025 | Davtyan | 1–0 | Kalavannan | Round 3: Davtyan, Artur - Kalavannan, Koby | Queen's Pawn Game: Symmetrical Variation | |
| Mar 15, 2025 | Vocaturo | 1–0 | Kalavannan | Round 1: Vocaturo, Daniele - Kalavannan, Koby | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jan 5, 2025 | Kalavannan | 1–0 | Pick | 98th Caplin Hastings Weekend Open 2025 | King's Indian Defense: Fianchetto Variation, Uhlmann-Szabo System | |
| Jan 5, 2025 | Ponting | 0–1 | Kalavannan | 98th Caplin Hastings Weekend Open 2025 | Richter-Veresov Attack | |
| Jan 4, 2025 | Kalavannan | ½–½ | Barantsev | 98th Caplin Hastings Weekend Open 2025 | Modern Defense: Pseudo-Austrian Attack | |
| Jan 4, 2025 | Mikalajunas | 1–0 | Kalavannan | 98th Caplin Hastings Weekend Open 2025 | English Opening: Symmetrical Variation | |
| Jan 3, 2025 | Freeman | 0–1 | Kalavannan | 98th Caplin Hastings Weekend Open 2025 | Sicilian Defense: Alapin Variation, Barmen Defense, Modern Line | |
| Dec 15, 2024 | Kalavannan | 1–0 | Pal | Keith Escott Memorial Congress: Open | Queen's Gambit Declined: Harrwitz Attack, Fianchetto Defense | |
| Dec 15, 2024 | Okhai | 1–0 | Kalavannan | Keith Escott Memorial Congress: Open | Sicilian Defense: Hyperaccelerated Dragon | |
| Dec 14, 2024 | Kalavannan | ½–½ | Rathbone-Jones | Keith Escott Memorial Congress: Open | Zukertort Opening: Quiet System | |
| Dec 14, 2024 | Larchikov | 0–1 | Kalavannan | Keith Escott Memorial Congress: Open | English Defense | |
| Dec 14, 2024 | Nawalaniec | 1–0 | Kalavannan | Keith Escott Memorial Congress: Open | Sicilian Defense: Godiva Variation | |
| Jul 31, 2024 | Kalaiyalahan | 0–1 | Kalavannan | Round 5: Kalaiyalahan, Akshaya - Kalavannan, Koby | English Defense | |
| Jul 29, 2024 | Ghasi | 1–0 | Kalavannan | Round 3: Ghasi, Ameet K - Kalavannan, Koby | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Jul 28, 2024 | Kalavannan | ½–½ | Williams | Round 2: Kalavannan, Koby - Williams, Simon K | French Defense: Exchange Variation | |
| Jul 27, 2024 | Merriman | 0–1 | Kalavannan | Round 1: Merriman, James - Kalavannan, Koby | Benko Gambit Declined: Sosonko Variation | |
| Jul 23, 2024 | Sim | 0–1 | Kalavannan | Round 9: Sim, Jia Ru - Kalavannan, Koby | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 22, 2024 | Kalavannan | 1–0 | Murawski | Round 8: Kalavannan, Koby - Murawski, Jan | Indian Defense: Anti-Nimzo-Indian | |
| Jul 21, 2024 | Sowray | 1–0 | Kalavannan | Round 6: Sowray, Peter J - Kalavannan, Koby | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| Jul 20, 2024 | Kalavannan | ½–½ | Cancedda-Dupuis | Round 5: Kalavannan, Koby - Cancedda-Dupuis, Livio | Bogo-Indian Defense: Retreat Variation | |
| Jul 20, 2024 | Ogunshola | ½–½ | Kalavannan | Round 4: Ogunshola, Ben - Kalavannan, Koby | English Opening: Agincourt Defense | |
| Jul 19, 2024 | Kalavannan | ½–½ | Cherniaev | Round 3: Kalavannan, Koby - Cherniaev, Alexander | Bogo-Indian Defense: Retreat Variation | |
| Jul 17, 2024 | Kalavannan | * | Johnson | Round 1: Kalavannan, Koby - Johnson, Daniel | ? | |
| Apr 1, 2024 | Bezuidenhout | 1–0 | Kalavannan | Round 9: Bezuidenhout, Roland - Kalavannan, Koby | Sicilian Defense: Hyperaccelerated Dragon | |
| Mar 31, 2024 | Kalavannan | 0–1 | Lalic | Round 8: Kalavannan, Koby - Lalic, Bogdan | Benko Gambit Accepted: Modern Variation | |
| Mar 31, 2024 | Kalavannan | ½–½ | Pert | Round 7: Kalavannan, Koby - Pert, Richard G | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Mar 30, 2024 | Wong | 1–0 | Kalavannan | Round 6: Wong, Jianwen - Kalavannan, Koby | Hungarian Opening | |
| Mar 30, 2024 | Kalavannan | 1–0 | Gallagher | Round 5: Kalavannan, Koby - Gallagher, Daniel GH | King's Indian Defense: Normal Variation, Standard Development | |
| Mar 29, 2024 | Villiers | ½–½ | Kalavannan | Round 4: Villiers, Thomas - Kalavannan, Koby | English Opening: Anglo-Indian Defense, Queen's Indian Formation | |
| Mar 29, 2024 | Kalavannan | 0–1 | Royal | Round 3: Kalavannan, Koby - Royal, Shreyas | Nimzo-Larsen Attack: Classical Variation | |
| Mar 28, 2024 | Badacsonyi | 0–1 | Kalavannan | Round 2: Badacsonyi, Frankie - Kalavannan, Koby | Benoni Defense: Semi-Benoni | |
| Mar 28, 2024 | Kalavannan | ½–½ | Badacsonyi | Round 1: Kalavannan, Koby - Badacsonyi, Stanley | East Indian Defense | |
| Mar 18, 2024 | Wadsworth | ½–½ | Kalavannan | Round 9: Wadsworth, Matthew J - Kalavannan, Koby | King's Indian Defense: Petrosian Variation, Stein Defense | |
| Mar 18, 2024 | Kalavannan | 0–1 | Agdelen | Round 8: Kalavannan, Koby - Agdelen, Huseyin Can | Catalan Opening: Open Defense | |
| Mar 18, 2024 | Cherniaev | ½–½ | Kalavannan | Round 7: Cherniaev, Alexander - Kalavannan, Koby | Indian Defense: King's Indian Variation, Fianchetto Variation | |
| Mar 18, 2024 | Teclaf | 1–0 | Kalavannan | Round 5: Teclaf, Pawel - Kalavannan, Koby | Zukertort Opening: Sicilian Invitation | |