| Jan 25, 2026 | Narayanan S L | 1–0 | Prasannaa.s | Festival Caissa – Chalice Rapid FIDE Rating Chess Tournament | Queen's Gambit Declined: Three Knights Variation | |
| Jan 23, 2026 | Adhiban | 1–0 | Prasannaa.s | Festival Caissa – Crown Rapid FIDE Rating Chess Tournament | Queen's Gambit Declined | |
| Jan 14, 2026 | Prasannaa.s | ½–½ | Daakshin Arun | Sakthi Group 43rd IM Norm | Sicilian Defense: Alapin Variation | |
| Jan 13, 2026 | Jai Sankar Subramanian | 0–1 | Prasannaa.s | Sakthi Group 43rd IM Norm | Pirc Defense | |
| Jan 13, 2026 | Prasannaa.s | 1–0 | Tologon tegin | Sakthi Group 43rd IM Norm | Sicilian Defense: Alapin Variation | |
| Jan 12, 2026 | Jinan Jomon | 0–1 | Prasannaa.s | Sakthi Group 43rd IM Norm | Ruy Lopez: Berlin Defense, Anti-Berlin Variation | |
| Jan 11, 2026 | Prasannaa.s | ½–½ | Fedorov | Sakthi Group 43rd IM Norm | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jan 11, 2026 | Sherla Prathamesh | 1–0 | Prasannaa.s | Sakthi Group 43rd IM Norm | Nimzo-Larsen Attack: Classical Variation | |
| Jan 10, 2026 | Prasannaa.s | ½–½ | Slizhevsky | Sakthi Group 43rd IM Norm | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jan 9, 2026 | Sobh | 1–0 | Prasannaa.s | Sakthi Group 43rd IM Norm | English Opening: Symmetrical Variation, Anti-Benoni Variation | |
| Jan 9, 2026 | Jaiswal | ½–½ | Prasannaa.s | Sakthi Group 43rd IM Norm | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Gufeld Gambit | |
| Dec 31, 2025 | Sharnarthi Shlok | ½–½ | Prasannaa.s | Athens of the East 5th International Grandmaster Open Chess Tournament | Ruy Lopez: Open Berlin Defense, l'Hermet Variation | |
| Dec 30, 2025 | Prasannaa.s | ½–½ | Jai Sankar Subramanian | Athens of the East 5th International Grandmaster Open Chess Tournament | Queen's Pawn Game: Colle System | |
| Dec 29, 2025 | Madhesh Kumar S | 0–1 | Prasannaa.s | Athens of the East 5th International Grandmaster Open Chess Tournament | King's Indian Defense: Normal Variation, Standard Development | |
| Dec 28, 2025 | Prasannaa.s | ½–½ | Rohith Krishna S | Athens of the East 5th International Grandmaster Open Chess Tournament | Four Knights Game: Gunsberg Variation | |
| Dec 28, 2025 | Manik | ½–½ | Prasannaa.s | Athens of the East 5th International Grandmaster Open Chess Tournament | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Dec 27, 2025 | Prasannaa.s | 1–0 | Siddhanth Poonja | Athens of the East 5th International Grandmaster Open Chess Tournament | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| Dec 26, 2025 | Vaidyanathan | ½–½ | Prasannaa.s | Athens of the East 5th International Grandmaster Open Chess Tournament | Queen's Gambit Declined: Harrwitz Attack, Two Knights Defense | |
| Dec 26, 2025 | Prasannaa.s | ½–½ | Aleksandrov | Athens of the East 5th International Grandmaster Open Chess Tournament | Four Knights Game: Gunsberg Variation | |
| Mar 31, 2024 | Prasannaa.s | 0–1 | Rathanvel | 6th SHAASTRA Rapid FIDE Rated Chess Tournament 2024 - IIT Madras | Nimzo-Indian Defense: Reshevsky Variation | |
| Mar 31, 2024 | Prasannaa.s | ½–½ | Nitin | 6th SHAASTRA Rapid FIDE Rated Chess Tournament 2024 - IIT Madras | King's Indian Defense: Orthodox Variation | |
| Jan 21, 2024 | Prasannaa.S | ½–½ | Manik | 13th Tamil Nadu IM Norm Closed Circuit Chess Tournament | King's Indian Defense: Exchange Variation | |
| Jan 20, 2024 | Sitnikov | ½–½ | Prasannaa.S | 13th Tamil Nadu IM Norm Closed Circuit Chess Tournament | Sicilian Defense: Closed, Traditional | |
| Jan 20, 2024 | Khusenkhojaev | 0–1 | Prasannaa.S | 13th Tamil Nadu IM Norm Closed Circuit Chess Tournament | King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Rare Line | |
| Jan 19, 2024 | Prasannaa.S | 0–1 | Sai | 13th Tamil Nadu IM Norm Closed Circuit Chess Tournament | King's Indian Defense: Orthodox Variation | |
| Jan 18, 2024 | Prasannaa.S | 1–0 | Touzane | 13th Tamil Nadu IM Norm Closed Circuit Chess Tournament | French Defense: Advance Variation, Paulsen Attack | |
| Jan 18, 2024 | Haribalu | 0–1 | Prasannaa.S | 13th Tamil Nadu IM Norm Closed Circuit Chess Tournament | Queen's Pawn Game: Zukertort Variation | |
| Jan 17, 2024 | Ziatdinov | 0–1 | Prasannaa.S | 13th Tamil Nadu IM Norm Closed Circuit Chess Tournament | French Defense: St. George Defense | |
| Jan 16, 2024 | Prasannaa.S | ½–½ | Sachi | 13th Tamil Nadu IM Norm Closed Circuit Chess Tournament | Clemenz Opening | |
| Jan 16, 2024 | Karthik | 1–0 | Prasannaa.S | 13th Tamil Nadu IM Norm Closed Circuit Chess Tournament | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Jan 14, 2024 | Mamombe | 0–1 | Prasannaa.S | 12th Tamilnadu IM Norm closed circuit chess Tournament 2023 FIDE Event Code- 349018 | Sicilian Defense: Najdorf Variation, English Attack | |
| Jan 13, 2024 | Prasannaa.S | 0–1 | Raghav | 12th Tamilnadu IM Norm closed circuit chess Tournament 2023 FIDE Event Code- 349018 | Ruy Lopez: Exchange Variation, Gligoric Variation | |
| Jan 13, 2024 | Gochelashvili | 1–0 | Prasannaa.S | 12th Tamilnadu IM Norm closed circuit chess Tournament 2023 FIDE Event Code- 349018 | Sicilian Defense: Dragon Variation, Classical Variation, Tartakower Line | |
| Jan 12, 2024 | Prasannaa.S | ½–½ | Tologon Tegin | 12th Tamilnadu IM Norm closed circuit chess Tournament 2023 FIDE Event Code- 349018 | Nimzo-Larsen Attack | |
| Jan 11, 2024 | Prasannaa.S | 1–0 | Buscara | 12th Tamilnadu IM Norm closed circuit chess Tournament 2023 FIDE Event Code- 349018 | Modern Defense: Two Knights Variation | |
| Jan 11, 2024 | Touzane | 0–1 | Prasannaa.S | 12th Tamilnadu IM Norm closed circuit chess Tournament 2023 FIDE Event Code- 349018 | King's Indian Defense: Normal Variation, Standard Development | |
| Jan 10, 2024 | Pradeep | 1–0 | Prasannaa.S | 12th Tamilnadu IM Norm closed circuit chess Tournament 2023 FIDE Event Code- 349018 | Hungarian Opening | |
| Jan 9, 2024 | Prasannaa.S | 1–0 | Md | 12th Tamilnadu IM Norm closed circuit chess Tournament 2023 FIDE Event Code- 349018 | Anderssen's Opening | |
| Jan 9, 2024 | Prasannaa.S | ½–½ | Mohamed | 12th Tamilnadu IM Norm closed circuit chess Tournament 2023 FIDE Event Code- 349018 | Réti Opening | |
| Dec 27, 2023 | Prasannaa.S | 0–1 | Jani | VELAMMAL HOSPITAL PRESENTS ATHENS OF THE EAST 3rd GRAND MASTER CHESS TOURNAMENT (Category-A) | Caro-Kann Defense: Two Knights Attack | |
| Dec 26, 2023 | Glek | ½–½ | Prasannaa.S | VELAMMAL HOSPITAL PRESENTS ATHENS OF THE EAST 3rd GRAND MASTER CHESS TOURNAMENT (Category-A) | Sicilian Defense: Moscow Variation, Main Line | |
| Dec 7, 2023 | Akshit | 0–1 | Prasannaa.S | 8th Tamil Nadu IM Norm Closed Circuit Chess Tournament 2023-24 | Alekhine Defense: Exchange Variation | |
| Dec 6, 2023 | Prasannaa.S | ½–½ | Abdyzhapar | 8th Tamil Nadu IM Norm Closed Circuit Chess Tournament 2023-24 | Four Knights Game: Gunsberg Variation | |
| Dec 5, 2023 | Prasannaa.S | ½–½ | Rohit | 8th Tamil Nadu IM Norm Closed Circuit Chess Tournament 2023-24 | Queen's Pawn Game: Colle System | |
| Dec 5, 2023 | Md | 0–1 | Prasannaa.S | 8th Tamil Nadu IM Norm Closed Circuit Chess Tournament 2023-24 | French Defense: St. George Defense, Three Pawn Attack | |
| Dec 4, 2023 | Podolchenko | ½–½ | Prasannaa.S | 8th Tamil Nadu IM Norm Closed Circuit Chess Tournament 2023-24 | King's Indian Defense: Orthodox Variation, Classical System, Neo-Classical Line | |
| Dec 3, 2023 | Prasannaa.S | 0–1 | Fedorov | 8th Tamil Nadu IM Norm Closed Circuit Chess Tournament 2023-24 | Sicilian Defense: Kalashnikov Variation | |
| Dec 3, 2023 | Ziatdinov | ½–½ | Prasannaa.S | 8th Tamil Nadu IM Norm Closed Circuit Chess Tournament 2023-24 | Sicilian Defense: Lasker-Pelikan Variation, Exchange Variation | |
| Nov 24, 2023 | Fedorov | 1–0 | Prasannaa.S | 6th Tamil Nadu IM Norm Closed Circuit Chess Tounrmanet - Chennai | Sicilian Defense | |
| Nov 23, 2023 | Prasannaa.S | ½–½ | Abdyzhapar | 6th Tamil Nadu IM Norm Closed Circuit Chess Tounrmanet - Chennai | Nimzo-Larsen Attack: Modern Variation | |
| Nov 23, 2023 | Gochelashvili | 1–0 | Prasannaa.S | 6th Tamil Nadu IM Norm Closed Circuit Chess Tounrmanet - Chennai | Sicilian Defense: Alapin Variation, Stoltz Attack | |
| Nov 22, 2023 | Prasannaa.S | 0–1 | Podolchenko | 6th Tamil Nadu IM Norm Closed Circuit Chess Tounrmanet - Chennai | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Nov 21, 2023 | Prasannaa.S | 1–0 | Ziatdinov | 6th Tamil Nadu IM Norm Closed Circuit Chess Tounrmanet - Chennai | King's Pawn Game: Mengarini's Opening | |
| Nov 21, 2023 | Ajay | 0–1 | Prasannaa.S | 6th Tamil Nadu IM Norm Closed Circuit Chess Tounrmanet - Chennai | Sicilian Defense: Old Sicilian | |
| Nov 20, 2023 | Prasannaa.S | 1–0 | Chitlange | 6th Tamil Nadu IM Norm Closed Circuit Chess Tounrmanet - Chennai | Bird Opening: Dutch Variation | |
| Nov 19, 2023 | Prasannaa.S | ½–½ | Hemanth | 6th Tamil Nadu IM Norm Closed Circuit Chess Tounrmanet - Chennai | Benoni Defense: Classical Variation | |
| Nov 19, 2023 | Arnav | ½–½ | Prasannaa.S | 6th Tamil Nadu IM Norm Closed Circuit Chess Tounrmanet - Chennai | Benko Gambit Accepted: Fully Accepted Variation | |
| Nov 17, 2023 | Prasannaa.s | 0–1 | Abdyzhapar | 5th Tamil Nadu IM Norm Closed Circuit Chess Tournament 2023 | Ruy Lopez: Closed, Breyer Defense, Zaitsev Hybrid | |
| Nov 16, 2023 | Prasannaa.s | 1–0 | Podolchenko | 5th Tamil Nadu IM Norm Closed Circuit Chess Tournament 2023 | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Nov 16, 2023 | Arnav | 1–0 | Prasannaa.s | 5th Tamil Nadu IM Norm Closed Circuit Chess Tournament 2023 | Benko Gambit Accepted: Fully Accepted Variation | |
| Nov 15, 2023 | Gochelashvili | ½–½ | Prasannaa.s | 5th Tamil Nadu IM Norm Closed Circuit Chess Tournament 2023 | Sicilian Defense: Moscow Variation, Main Line | |
| Nov 14, 2023 | Prasannaa.s | 0–1 | Surendran | 5th Tamil Nadu IM Norm Closed Circuit Chess Tournament 2023 | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Nov 14, 2023 | Md | 1–0 | Prasannaa.s | 5th Tamil Nadu IM Norm Closed Circuit Chess Tournament 2023 | Indian Defense | |
| Nov 13, 2023 | Laddha | 1–0 | Prasannaa.s | 5th Tamil Nadu IM Norm Closed Circuit Chess Tournament 2023 | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Nov 12, 2023 | Prasannaa.s | 1–0 | Laddha | 5th Tamil Nadu IM Norm Closed Circuit Chess Tournament 2023 | Ruy Lopez: Exchange Variation, Alapin Gambit | |
| Nov 12, 2023 | Shaik | 0–1 | Prasannaa.s | 5th Tamil Nadu IM Norm Closed Circuit Chess Tournament 2023 | Queen's Indian Defense: Fianchetto Variation, Check Variation, Intermezzo Line | |
| Feb 5, 2023 | Prasannaa.S | 1–0 | A Mithiran | Round 9: Prasannaa.S - A Mithiran | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Feb 4, 2023 | S Rohith | ½–½ | Prasannaa.S | Round 8: S Rohith - Prasannaa.S | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Feb 4, 2023 | Prasannaa.S | ½–½ | Adiga Sathvik | Round 7: Prasannaa.S - Adiga Sathvik | English Opening: King's English Variation, Two Knights Variation | |
| Feb 3, 2023 | A J Pranav | 0–1 | Prasannaa.S | Round 6: A J Pranav - Prasannaa.S | Sicilian Defense: O'Kelly Variation, Maróczy Bind | |
| Feb 3, 2023 | Prasannaa.S | 1–0 | Sasthaa M Darshan | Round 5: Prasannaa.S - Sasthaa M Darshan | Four Knights Game: Spanish Variation, Ranken Variation | |
| Feb 2, 2023 | Shreeram P Vijay | 1–0 | Prasannaa.S | Round 4: Shreeram P Vijay - Prasannaa.S | Sicilian Defense: Grand Prix Attack, Schofman Variation | |
| Feb 2, 2023 | Prasannaa.S | 1–0 | Kamalesh S Jai | Round 3: Prasannaa.S - Kamalesh S Jai | French Defense: Advance Variation | |
| Feb 1, 2023 | V Kishore | 0–1 | Prasannaa.S | Round 2: V Kishore - Prasannaa.S | Czech Defense | |
| Feb 1, 2023 | Prasannaa.S | 1–0 | A Yuvanesh | Round 1: Prasannaa.S - A Yuvanesh | French Defense: Advance Variation, Euwe Variation | |
| Jul 2, 2022 | S. Nitin | 1–0 | Prasannaa.S | Round 6: S. Nitin - Prasannaa.S | French Defense: Classical Variation, Burn Variation, Morozevich Line | |
| Jun 30, 2022 | Prasannaa.S | 0–1 | Duc Hoa Nguyen | Round 4: Prasannaa.S - Duc Hoa Nguyen | Sicilian Defense: Scheveningen Variation, Classical Variation | |
| Jun 29, 2022 | Prasannaa.S | 1–0 | Chakkravarthy J. Deepan | Round 3: Prasannaa.S - Chakkravarthy J. Deepan | Pirc Defense: Classical Variation, Quiet System | |
| Jun 26, 2022 | Prasannaa.S | 0–1 | Duc Hoa Nguyen | Round 10: Prasannaa.S - Duc Hoa Nguyen | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jun 25, 2022 | Prasannaa.S | 0–1 | Boris Savchenko | Round 9: Prasannaa.S - Boris Savchenko | Scandinavian Defense: Classical Variation | |
| Jun 24, 2022 | Madhavan N B Hari | 0–1 | Prasannaa.S | Round 8: Madhavan N B Hari - Prasannaa.S | Indian Defense: Anti-Grünfeld, Basman-Williams Attack | |
| Jun 23, 2022 | Prasannaa.S | 1–0 | Suresh Harsh | Round 7: Prasannaa.S - Suresh Harsh | Modern Defense: Averbakh System | |
| Jun 8, 2022 | Prasannaa.S | 0–1 | Nguyen | International open GM | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jun 7, 2022 | Samant | ½–½ | Prasannaa.S | International open GM | Sicilian Defense: O'Kelly Variation, Venice System | |
| May 31, 2022 | Prasannaa.S | 0–1 | Paichadze | International open GM | Caro-Kann Defense | |