Oisin O`cuilleanain
Country
IRL
Birth Year
2004
Gender
M
Title
FIDE ID
2514249
FIDE Rating
2146
FIDE Rating Graph
Games
| # | Date | Event | Site | Round | White | Black | Result | Moves | View |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2026-01-04 | Irish New Year IM 2026 | Dublin IRL | 9.5 | Andrei Rakhmangulov | Oisin O`cuilleanain | 1/2-1/2 | 48 | Open |
| 2 | 2026-01-04 | Irish New Year IM 2026 | Dublin IRL | 8.2 | Oisin O`cuilleanain | Shrook Wafa | 0-1 | 51 | Open |
| 3 | 2026-01-03 | Irish New Year IM 2026 | Dublin IRL | 7.4 | Attila Czebe | Oisin O`cuilleanain | 1-0 | 35 | Open |
| 4 | 2026-01-03 | Irish New Year IM 2026 | Dublin IRL | 6.3 | Oisin O`cuilleanain | Peter Carroll | 0-1 | 42 | Open |
| 5 | 2026-01-02 | Irish New Year IM 2026 | Dublin IRL | 5.3 | Kavin Venkatesan | Oisin O`cuilleanain | 0-1 | 81 | Open |
| 6 | 2026-01-02 | Irish New Year IM 2026 | Dublin IRL | 4.4 | Oisin O`cuilleanain | Jude Shearsby | 0-1 | 34 | Open |
| 7 | 2026-01-01 | Irish New Year IM 2026 | Dublin IRL | 3.2 | Angus J Dunnington | Oisin O`cuilleanain | 1-0 | 47 | Open |
| 8 | 2026-01-01 | Irish New Year IM 2026 | Dublin IRL | 2.5 | Oisin O`cuilleanain | Adam Collins | 1/2-1/2 | 25 | Open |
| 9 | 2025-12-31 | Irish New Year IM 2026 | Dublin IRL | 1.1 | Oisin O`cuilleanain | Jason Liu | 1-0 | 28 | Open |
| 10 | 2025-12-03 | 15th London Classic Open | London ENG | 9.49 | Shambavi Hariharan | Oisin O`cuilleanain | 1/2-1/2 | 52 | Open |
| 11 | 2025-12-02 | 15th London Classic Open | London ENG | 8.55 | Artjom Gurevich | Oisin O`cuilleanain | 0-1 | 65 | Open |
| 12 | 2025-12-01 | 15th London Classic Open | London ENG | 7.56 | Oisin O`cuilleanain | Saro Khachatouri | 0-1 | 28 | Open |
| 13 | 2025-11-30 | 15th London Classic Open | London ENG | 6.48 | Maxim Farberov | Oisin O`cuilleanain | 1-0 | 29 | Open |
| 14 | 2025-11-30 | 15th London Classic Open | London ENG | 5.52 | Oisin O`cuilleanain | Zoe Varney | 1/2-1/2 | 56 | Open |
| 15 | 2025-11-29 | 15th London Classic Open | London ENG | 4.56 | Mei-En Emmanuelle Hng | Oisin O`cuilleanain | 0-1 | 41 | Open |
| 16 | 2025-11-28 | 15th London Classic Open | London ENG | 3.5 | Oisin O`cuilleanain | Niklas Schmider | 0-1 | 32 | Open |
| 17 | 2025-11-28 | 15th London Classic Open | London ENG | 2.37 | Ferenc Langheinrich | Oisin O`cuilleanain | 1-0 | 17 | Open |
| 18 | 2025-11-27 | 15th London Classic Open | London ENG | 1.29 | Oisin O`cuilleanain | Maciej Czopor | 0-1 | 49 | Open |
| 19 | 2025-08-10 | 104th ch-IRL 2025 | Ennis IRL | 9.4 | Oisin O`cuilleanain | Conor O`Donnell | 0-1 | 25 | Open |
| 20 | 2025-08-09 | 104th ch-IRL 2025 | Ennis IRL | 8.7 | Oisin O`cuilleanain | Nitish Arun | 1-0 | 50 | Open |
| 21 | 2025-08-08 | 104th ch-IRL 2025 | Ennis IRL | 7.5 | Jacob Flynn | Oisin O`cuilleanain | 1-0 | 38 | Open |
| 22 | 2025-08-07 | 104th ch-IRL 2025 | Ennis IRL | 6.7 | Oisin O`cuilleanain | Conor Sheehan | 1-0 | 74 | Open |
| 23 | 2025-08-06 | 104th ch-IRL 2025 | Ennis IRL | 5.9 | Yannick Woods | Oisin O`cuilleanain | 0-1 | 35 | Open |
| 24 | 2025-08-05 | 104th ch-IRL 2025 | Ennis IRL | 4.4 | Oisin O`cuilleanain | Oleg Gubanov | 0-1 | 43 | Open |
| 25 | 2025-08-04 | 104th ch-IRL 2025 | Ennis IRL | 3.9 | Declan Voogt | Oisin O`cuilleanain | 0-1 | 57 | Open |
| 26 | 2025-08-03 | 104th ch-IRL 2025 | Ennis IRL | 2.8 | Oisin O`cuilleanain | Advaith Nichenametla V | 1/2-1/2 | 39 | Open |
| 27 | 2025-08-02 | 104th ch-IRL 2025 | Ennis IRL | 1.13 | Oleksii Rai | Oisin O`cuilleanain | 1/2-1/2 | 60 | Open |
| 28 | 2025-07-16 | Najdorf Mem Open A 2025 | Warsaw POL | 9.25 | Oisin O`cuilleanain | Swara Lakshmi S Nair | 1-0 | 43 | Open |
| 29 | 2025-07-15 | Najdorf Mem Open A 2025 | Warsaw POL | 8.36 | Dominik Rzeszowski | Oisin O`cuilleanain | 0-1 | 41 | Open |
| 30 | 2025-07-14 | Najdorf Mem Open A 2025 | Warsaw POL | 7.23 | Oisin O`cuilleanain | Piotr Mickiewicz | 0-1 | 40 | Open |
| 31 | 2025-07-13 | Najdorf Mem Open A 2025 | Warsaw POL | 6.33 | Tymon Kazmierowski | Oisin O`cuilleanain | 0-1 | 32 | Open |
| 32 | 2025-07-12 | Najdorf Mem Open A 2025 | Warsaw POL | 5.28 | Oisin O`cuilleanain | Carlos Salgado Allaria | 0-1 | 37 | Open |
| 33 | 2025-07-11 | Najdorf Mem Open A 2025 | Warsaw POL | 4.13 | Jakub Janeczko | Oisin O`cuilleanain | 1-0 | 21 | Open |
| 34 | 2025-07-10 | Najdorf Mem Open A 2025 | Warsaw POL | 3.2 | Oisin O`cuilleanain | Deep Sengupta | 0-1 | 54 | Open |
| 35 | 2025-07-09 | Najdorf Mem Open A 2025 | Warsaw POL | 2.14 | Oisin O`cuilleanain | Jan Golecki | 1-0 | 41 | Open |
| 36 | 2025-07-08 | Najdorf Mem Open A 2025 | Warsaw POL | 1.15 | Wiktor Golis | Oisin O`cuilleanain | 0-1 | 42 | Open |
| 37 | 2025-06-02 | Thomson Masters Drogheda | Drogheda IRL | 6.5 | Andrey A. Ivanov | Oisin O`cuilleanain | 1-0 | 67 | Open |
| 38 | 2025-06-02 | Thomson Masters Drogheda | Drogheda IRL | 5.6 | Oisin O`cuilleanain | Kirill Kholyavko | 1/2-1/2 | 24 | Open |
| 39 | 2025-06-01 | Thomson Masters Drogheda | Drogheda IRL | 4.3 | Oleg Artemenko | Oisin O`cuilleanain | 1-0 | 45 | Open |
| 40 | 2025-06-01 | Thomson Masters Drogheda | Drogheda IRL | 3.6 | Oisin O`cuilleanain | Brian Gallagher | 1-0 | 43 | Open |
| 41 | 2025-05-31 | Thomson Masters Drogheda | Drogheda IRL | 2.1 | Tarun Kanyamarala | Oisin O`cuilleanain | 1-0 | 37 | Open |
| 42 | 2025-05-31 | Thomson Masters Drogheda | Drogheda IRL | 1.8 | Oisin O`cuilleanain | Victor Palacios Sanchez | 1-0 | 24 | Open |
| 43 | 2025-04-21 | Dublin Easter Int Open | Dublin IRL | 7.4 | Shriman K | Oisin O`cuilleanain | 0-1 | 44 | Open |
| 44 | 2025-04-21 | Dublin Easter Int Open | Dublin IRL | 6.3 | Oisin O`cuilleanain | Shane Melaugh | 0-1 | 33 | Open |
| 45 | 2025-04-20 | Dublin Easter Int Open | Dublin IRL | 5.5 | Mert Can Ozarpaci | Oisin O`cuilleanain | 0-1 | 42 | Open |
| 46 | 2025-04-20 | Dublin Easter Int Open | Dublin IRL | 4.7 | Oisin O`cuilleanain | Aarav Kesare | 1-0 | 59 | Open |
| 47 | 2025-04-19 | Dublin Easter Int Open | Dublin IRL | 3.1 | Kristian Stuvik Holm | Oisin O`cuilleanain | 1-0 | 34 | Open |
| 48 | 2025-04-19 | Dublin Easter Int Open | Dublin IRL | 2.6 | Oisin O`cuilleanain | Declan Voogt | 1-0 | 77 | Open |
| 49 | 2025-04-18 | Dublin Easter Int Open | Dublin IRL | 1.5 | Joe O Hanlon | Oisin O`cuilleanain | 0-1 | 30 | Open |
| 50 | 2025-01-16 | 23rd Prague Open 2025 | Prague CZE | 8.19 | Oisin O`cuilleanain | Rindhiya V | 0-1 | 37 | Open |
| 51 | 2025-01-14 | 23rd Prague Open 2025 | Prague CZE | 6.2 | Oisin O`cuilleanain | Bruno Topencik | 0-1 | 73 | Open |
| 52 | 2024-08-11 | 103rd ch-IRL 2024 | Dublin IRL | 9.1 | Oisin O`cuilleanain | David Fitzsimons | 1/2-1/2 | 20 | Open |
| 53 | 2024-08-10 | 103rd ch-IRL 2024 | Dublin IRL | 8.4 | Oisin O`cuilleanain | Peter Carroll | 1-0 | 41 | Open |
| 54 | 2024-08-09 | 103rd ch-IRL 2024 | Dublin IRL | 7.7 | Lara Putar | Oisin O`cuilleanain | 0-1 | 58 | Open |
| 55 | 2024-08-08 | 103rd ch-IRL 2024 | Dublin IRL | 6.6 | Oisin O`cuilleanain | Lukian Hushpit | 1/2-1/2 | 48 | Open |
| 56 | 2024-08-07 | 103rd ch-IRL 2024 | Dublin IRL | 5.3 | Adam Collins | Oisin O`cuilleanain | 1-0 | 55 | Open |
| 57 | 2024-08-06 | 103rd ch-IRL 2024 | Dublin IRL | 4.8 | Oisin O`cuilleanain | Mohammad Mahbub Parouare | 1-0 | 25 | Open |
| 58 | 2024-08-05 | 103rd ch-IRL 2024 | Dublin IRL | 3.8 | 17709300465593654499 | Oisin O`cuilleanain | 1/2-1/2 | 79 | Open |
| 59 | 2024-08-04 | 103rd ch-IRL 2024 | Dublin IRL | 2.1 | Oisin O`cuilleanain | Alexander Baburin | 1/2-1/2 | 24 | Open |
| 60 | 2024-08-03 | 103rd ch-IRL 2024 | Dublin IRL | 1.12 | Pat Reynolds | Oisin O`cuilleanain | 0-1 | 50 | Open |
| 61 | 2024-05-06 | Malahide Millennium Open | Dublin IRL | 6.4 | Oisin O`cuilleanain | Jason Liu | 0-1 | 10 | Open |
| 62 | 2024-05-06 | Malahide Millennium Open | Dublin IRL | 5.3 | Adam Collins | Oisin O`cuilleanain | 1/2-1/2 | 24 | Open |
| 63 | 2024-05-05 | Malahide Millennium Open | Dublin IRL | 4.1 | Oisin O`cuilleanain | Shane Melaugh | 0-1 | 21 | Open |
| 64 | 2024-05-04 | Malahide Millennium Open | Dublin IRL | 2.4 | Oisin O`cuilleanain | Andrey A. Ivanov | 1-0 | 60 | Open |
| 65 | 2024-05-04 | Malahide Millennium Open | Dublin IRL | 1.5 | Alex Goss | Oisin O`cuilleanain | 1/2-1/2 | 66 | Open |
| 66 | 2024-03-28 | GRENKE Chess Open 2024 | Karlsruhe GER | 1.26 | Bartlomiej Heberla | Oisin O`cuilleanain | 1-0 | 44 | Open |
| 67 | 2024-02-04 | Sligo Masters 2024 | Enniscrone IRL | 5.3 | Irina Tetenkina | Oisin O`cuilleanain | 1-0 | 41 | Open |
| 68 | 2024-02-04 | Sligo Masters 2024 | Enniscrone IRL | 4.4 | Oisin O`cuilleanain | Lukian Hushpit | 1/2-1/2 | 64 | Open |
| 69 | 2024-02-03 | Sligo Masters 2024 | Enniscrone IRL | 3.5 | Jonathan Pein | Oisin O`cuilleanain | 0-1 | 46 | Open |
| 70 | 2024-02-03 | Sligo Masters 2024 | Enniscrone IRL | 2.9 | Ross Beatty | Oisin O`cuilleanain | 0-1 | 63 | Open |
| 71 | 2024-02-02 | Sligo Masters 2024 | Enniscrone IRL | 1.7 | Oisin O`cuilleanain | Sergey Beryozkin | 0-1 | 78 | Open |
| 72 | 2024-01-28 | Gonzaga Classic Masters | Dublin IRL | 5.5 | Oisin O`cuilleanain | Conor O`Donnell | 1/2-1/2 | 32 | Open |
| 73 | 2024-01-28 | Gonzaga Classic Masters | Dublin IRL | 4.1 | Andrey A. Ivanov | Oisin O`cuilleanain | 0-1 | 43 | Open |
| 74 | 2024-01-27 | Gonzaga Classic Masters | Dublin IRL | 2.2 | Ante Saric | Oisin O`cuilleanain | 1-0 | 45 | Open |
| 75 | 2024-01-07 | Irish Int Open 2024 | Dublin IRL | 7 | Colm Daly | Oisin O`cuilleanain | 1-0 | 43 | Open |
| 76 | 2024-01-07 | Irish Int Open 2024 | Dublin IRL | 6 | Oisin O`cuilleanain | Patryk Brozynski | 1-0 | 50 | Open |
| 77 | 2024-01-06 | Irish Int Open 2024 | Dublin IRL | 5 | Oisin O`cuilleanain | Lukian Hushpit | 1-0 | 26 | Open |
| 78 | 2024-01-06 | Irish Int Open 2024 | Dublin IRL | 4 | Zalan Nemeth | Oisin O`cuilleanain | 1/2-1/2 | 28 | Open |
| 79 | 2024-01-05 | Irish Int Open 2024 | Dublin IRL | 3 | James Kavanagh | Oisin O`cuilleanain | 0-1 | 48 | Open |
| 80 | 2024-01-05 | Irish Int Open 2024 | Dublin IRL | 2 | Oisin O`cuilleanain | Conor Sheehan | 1-0 | 30 | Open |
| 81 | 2023-08-13 | 102nd ch-IRL 2023 | Dublin IRL | 9.4 | Oisin O`cuilleanain | Oissine Murchadha | 1-0 | 42 | Open |
| 82 | 2023-08-12 | 102nd ch-IRL 2023 | Dublin IRL | 8.4 | Adam Collins | Oisin O`cuilleanain | 1/2-1/2 | 31 | Open |
| 83 | 2023-08-11 | 102nd ch-IRL 2023 | Dublin IRL | 7.5 | Oisin O`cuilleanain | Zalan Nemeth | 1-0 | 54 | Open |
| 84 | 2023-08-10 | 102nd ch-IRL 2023 | Dublin IRL | 6.3 | Peter Carroll | Oisin O`cuilleanain | 1-0 | 48 | Open |
| 85 | 2023-08-09 | 102nd ch-IRL 2023 | Dublin IRL | 5.6 | Oisin O`cuilleanain | Colm Daly | 1-0 | 60 | Open |
| 86 | 2023-08-08 | 102nd ch-IRL 2023 | Dublin IRL | 4.1 | Ben Sheahan | Oisin O`cuilleanain | 0-1 | 69 | Open |
| 87 | 2023-08-07 | 102nd ch-IRL 2023 | Dublin IRL | 3.7 | Oisin O`cuilleanain | Andrey A. Ivanov | 1/2-1/2 | 38 | Open |
| 88 | 2023-08-06 | 102nd ch-IRL 2023 | Dublin IRL | 2.1 | Alexander Baburin | Oisin O`cuilleanain | 1-0 | 40 | Open |
| 89 | 2023-08-05 | 102nd ch-IRL 2023 | Dublin IRL | 1.1 | Oisin O`cuilleanain | Anthony Fox | 1-0 | 83 | Open |
| 90 | 2023-07-21 | 34th Czech Open A 2023 | Pardubice CZE | 1.24 | Milton Pantzar | Oisin O`cuilleanain | 1-0 | 25 | Open |
| 91 | 2023-07-19 | Slovakia Chess Open 2023 | Piestany SVK | 9.14 | Oisin O`cuilleanain | Tobias Kolb | 0-1 | 46 | Open |
| 92 | 2023-07-18 | Slovakia Chess Open 2023 | Piestany SVK | 8.17 | Jari Reuker | Oisin O`cuilleanain | 1/2-1/2 | 72 | Open |
| 93 | 2023-07-17 | Slovakia Chess Open 2023 | Piestany SVK | 7.2 | Honorata Kucharska | Oisin O`cuilleanain | 0-1 | 45 | Open |
| 94 | 2023-07-16 | Slovakia Chess Open 2023 | Piestany SVK | 6.3 | Oisin O`cuilleanain | Kamil Warchol | 1-0 | 58 | Open |
| 95 | 2023-07-15 | Slovakia Chess Open 2023 | Piestany SVK | 5.21 | Aron Pasti | Oisin O`cuilleanain | 1-0 | 56 | Open |
| 96 | 2023-07-14 | Slovakia Chess Open 2023 | Piestany SVK | 4.27 | Oisin O`cuilleanain | Boris Maryasin | 1-0 | 30 | Open |
| 97 | 2023-07-13 | Slovakia Chess Open 2023 | Piestany SVK | 3.3 | Daniel Shirinyan | Oisin O`cuilleanain | 1/2-1/2 | 88 | Open |
| 98 | 2023-07-12 | Slovakia Chess Open 2023 | Piestany SVK | 2.35 | Oisin O`cuilleanain | Arvind Ramnath Iyer | 1/2-1/2 | 48 | Open |
| 99 | 2023-07-11 | Slovakia Chess Open 2023 | Piestany SVK | 1.15 | Martin Jablonicky | Oisin O`cuilleanain | 1-0 | 23 | Open |
| 100 | 2023-07-09 | 6th Bohumin Open 2023 | Bohumin CZE | 9.9 | Patryk Chylewski | Oisin O`cuilleanain | 1-0 | 51 | Open |
| 101 | 2023-07-08 | 6th Bohumin Open 2023 | Bohumin CZE | 8.5 | Oisin O`cuilleanain | Sinisa Drazic | 0-1 | 50 | Open |
| 102 | 2023-07-07 | 6th Bohumin Open 2023 | Bohumin CZE | 7.9 | Maciej Mroziak | Oisin O`cuilleanain | 0-1 | 44 | Open |
| 103 | 2023-07-06 | 6th Bohumin Open 2023 | Bohumin CZE | 6.15 | Oisin O`cuilleanain | Rafael Sharon | 1-0 | 93 | Open |
| 104 | 2023-07-05 | 6th Bohumin Open 2023 | Bohumin CZE | 5.16 | Rafal Kubik | Oisin O`cuilleanain | 1/2-1/2 | 57 | Open |
| 105 | 2023-07-04 | 6th Bohumin Open 2023 | Bohumin CZE | 4.9 | Oisin O`cuilleanain | Vojtech Sramek | 0-1 | 29 | Open |
| 106 | 2023-07-03 | 6th Bohumin Open 2023 | Bohumin CZE | 3.19 | Damian Malinowski | Oisin O`cuilleanain | 0-1 | 61 | Open |
| 107 | 2023-07-02 | 6th Bohumin Open 2023 | Bohumin CZE | 2.22 | Oisin O`cuilleanain | Katarzyna Krajewska | 1-0 | 22 | Open |
| 108 | 2023-07-01 | 6th Bohumin Open 2023 | Bohumin CZE | 1.25 | Marek Kozelsky | Oisin O`cuilleanain | 1-0 | 42 | Open |
| 109 | 2023-04-06 | VII Semana Santa Alicante | La Nucia ESP | 2.18 | Oisin O`cuilleanain | Jakub Kosakowski | 0-1 | 50 | Open |
| 110 | 2023-02-19 | John Bolger Cup Masters | Dublin IRL | 5.4 | Kavin Venkatesan | Oisin O`cuilleanain | 0-1 | 27 | Open |
| 111 | 2023-02-19 | John Bolger Cup Masters | Dublin IRL | 4.1 | Oisin O`cuilleanain | G. Petar Arnaudov | 0-1 | 30 | Open |
| 112 | 2023-02-18 | John Bolger Cup Masters | Dublin IRL | 2.5 | Oisin O`cuilleanain | Colm Daly | 1-0 | 53 | Open |
| 113 | 2023-01-13 | 21st Prague Open 2023 | Prague CZE | 9.1 | Tymon Ochedzan | Oisin O`cuilleanain | 1-0 | 21 | Open |
| 114 | 2023-01-12 | 21st Prague Open 2023 | Prague CZE | 8.2 | Oisin O`cuilleanain | Kirill Krasovskiy | 1-0 | 51 | Open |
| 115 | 2022-08-30 | Northumbria Masters 2022 | Newcastle ENG | 9.2 | Benjamin Larkin | Oisin O`cuilleanain | 1/2-1/2 | 5 | Open |
| 116 | 2022-08-30 | Northumbria Masters 2022 | Newcastle ENG | 8.22 | Oisin O`cuilleanain | Sanjit S Kumar | 1/2-1/2 | 53 | Open |
| 117 | 2022-08-29 | Northumbria Masters 2022 | Newcastle ENG | 7.15 | Steven A Jones | Oisin O`cuilleanain | 1-0 | 26 | Open |
| 118 | 2022-08-29 | Northumbria Masters 2022 | Newcastle ENG | 6.23 | Oisin O`cuilleanain | Diego Anton Cordova-Lopez | 1-0 | 80 | Open |
| 119 | 2022-08-28 | Northumbria Masters 2022 | Newcastle ENG | 5.2 | Anum Sheikh | Oisin O`cuilleanain | 1-0 | 59 | Open |
| 120 | 2022-08-28 | Northumbria Masters 2022 | Newcastle ENG | 4.1 | Oisin O`cuilleanain | Thomas Brown | 0-1 | 35 | Open |
| 121 | 2022-08-27 | Northumbria Masters 2022 | Newcastle ENG | 3.21 | Avyukt Dasgupta | Oisin O`cuilleanain | 0-1 | 49 | Open |
| 122 | 2022-08-27 | Northumbria Masters 2022 | Newcastle ENG | 2.28 | Oisin O`cuilleanain | Zain Patel | 1-0 | 42 | Open |
| 123 | 2022-08-26 | Northumbria Masters 2022 | Newcastle ENG | 1.4 | Alexander Cherniaev | Oisin O`cuilleanain | 1-0 | 32 | Open |
| 124 | 2022-07-10 | 101st ch-IRL 2022 | Dublin IRL | 9.3 | Alexander Baburin | Oisin O`cuilleanain | 1-0 | 29 | Open |
| 125 | 2022-07-09 | 101st ch-IRL 2022 | Dublin IRL | 8.5 | Oisin O`cuilleanain | Diana Mats | 1-0 | 26 | Open |
| 126 | 2022-07-08 | 101st ch-IRL 2022 | Dublin IRL | 7.1 | Tarun Kanyamarala | Oisin O`cuilleanain | 1-0 | 29 | Open |
| 127 | 2022-07-07 | 101st ch-IRL 2022 | Dublin IRL | 6.3 | Oisin O`cuilleanain | Colm Daly | 1-0 | 66 | Open |
| 128 | 2022-07-06 | 101st ch-IRL 2022 | Dublin IRL | 5.7 | Alex Goss | Oisin O`cuilleanain | 0-1 | 33 | Open |
| 129 | 2022-07-05 | 101st ch-IRL 2022 | Dublin IRL | 4.8 | Anthony Doyle | Oisin O`cuilleanain | 1/2-1/2 | 36 | Open |
| 130 | 2022-07-04 | 101st ch-IRL 2022 | Dublin IRL | 3.1 | Oisin O`cuilleanain | John Kennedy | 1-0 | 35 | Open |
| 131 | 2022-07-03 | 101st ch-IRL 2022 | Dublin IRL | 2.7 | Oisin O`cuilleanain | Peter Carroll | 0-1 | 33 | Open |
| 132 | 2022-07-02 | 101st ch-IRL 2022 | Dublin IRL | 1.7 | Jacob Flynn | Oisin O`cuilleanain | 1/2-1/2 | 47 | Open |
| 133 | 2022-05-01 | Sligo Spring Masters 2022 | Sligo IRL | 5 | S. Anand Kumar | Oisin O`cuilleanain | 1/2-1/2 | 48 | Open |
| 134 | 2022-05-01 | Sligo Spring Masters 2022 | Sligo IRL | 4 | Oisin O`cuilleanain | Alexander Baburin | 1/2-1/2 | 35 | Open |
| 135 | 2022-04-30 | Sligo Spring Masters 2022 | Sligo IRL | 3 | Oisin O`cuilleanain | Manuel Cabanas Jimenez | 1-0 | 56 | Open |
| 136 | 2022-04-30 | Sligo Spring Masters 2022 | Sligo IRL | 2 | Jason Liu | Oisin O`cuilleanain | 0-1 | 53 | Open |
| 137 | 2022-04-29 | Sligo Spring Masters 2022 | Sligo IRL | 1 | Oisin O`cuilleanain | Evgeniya Doluhanova | 0-1 | 40 | Open |
| 138 | 2021-10-18 | EY U18 2021 | Tornelo INT | 6.17 | Alexander Oliver Mai | Oisin O`cuilleanain | 1-0 | 59 | Open |
| 139 | 2021-10-18 | EY U18 2021 | Tornelo INT | 5.17 | Jake M Sanger | Oisin O`cuilleanain | 1-0 | 44 | Open |
| 140 | 2021-10-17 | EY U18 2021 | Tornelo INT | 4.16 | Oisin O`cuilleanain | Saad Abobaker Elmi | 0-1 | 62 | Open |
| 141 | 2021-10-16 | EY U18 2021 | Tornelo INT | 3.17 | Oisin O`cuilleanain | Ifan Rathbone-Jones | 1/2-1/2 | 66 | Open |
| 142 | 2021-10-16 | EY U18 2021 | Tornelo INT | 2.16 | Serhan Berat Ozdemir | Oisin O`cuilleanain | 1-0 | 50 | Open |
| 143 | 2021-10-15 | EY U18 2021 | Tornelo INT | 1.16 | Denis Kozlov | Oisin O`cuilleanain | 1-0 | 60 | Open |
| 144 | 2021-02-20 | Bunratty 2021 Online | chess.com INT | 9 | Mark Heidenfeld | Oisin O`cuilleanain | 1-0 | 31 | Open |
| 145 | 2021-02-20 | Bunratty 2021 Online | chess.com INT | 8 | Oisin O`cuilleanain | Lorin D`Costa | 0-1 | 70 | Open |
| 146 | 2021-02-20 | Bunratty 2021 Online | chess.com INT | 7 | Oisin O`cuilleanain | Keith C Arkell | 1/2-1/2 | 16 | Open |
| 147 | 2021-02-20 | Bunratty 2021 Online | chess.com INT | 5 | Oisin O`cuilleanain | Codrut-Constantin Florescu | 1-0 | 33 | Open |
| 148 | 2021-02-20 | Bunratty 2021 Online | chess.com INT | 4 | Oisin O`cuilleanain | Brendan Lyons | 1-0 | 17 | Open |
| 149 | 2021-02-20 | Bunratty 2021 Online | chess.com INT | 3 | Joel Benjamin | Oisin O`cuilleanain | 1-0 | 57 | Open |
| 150 | 2021-02-20 | Bunratty 2021 Online | chess.com INT | 2 | Oisin O`cuilleanain | Con Kirby | 1-0 | 25 | Open |
| 151 | 2021-01-17 | 4th 4NCL Online Congress | lichess.org INT | 5.9 | James Cole | Oisin O`cuilleanain | 0-1 | 33 | Open |
| 152 | 2021-01-17 | 4th 4NCL Online Congress | lichess.org INT | 4.14 | Oisin O`cuilleanain | Benjamin Hammond | 1-0 | 53 | Open |
| 153 | 2021-01-16 | 4th 4NCL Online Congress | lichess.org INT | 3.15 | Martin Fitzgerald | Oisin O`cuilleanain | 0-1 | 25 | Open |
| 154 | 2021-01-16 | 4th 4NCL Online Congress | lichess.org INT | 2.22 | Oisin O`cuilleanain | Stefan Voiculescu-Holvad | 1-0 | 31 | Open |
| 155 | 2021-01-15 | 4th 4NCL Online Congress | lichess.org INT | 1.1 | Soham Kumar | Oisin O`cuilleanain | 1-0 | 28 | Open |
| 156 | 2020-07-12 | 1st 4NCL Online Open 2020 | lichess.org INT | 5.15 | Richard G Truman | Oisin O`cuilleanain | 1/2-1/2 | 51 | Open |
| 157 | 2020-07-12 | 1st 4NCL Online Open 2020 | lichess.org INT | 4.2 | Oisin O`cuilleanain | Paul A Johnson | 1-0 | 18 | Open |
| 158 | 2020-07-11 | 1st 4NCL Online Open 2020 | lichess.org INT | 3.25 | Arjun Pyda | Oisin O`cuilleanain | 0-1 | 70 | Open |
| 159 | 2020-07-11 | 1st 4NCL Online Open 2020 | lichess.org INT | 2.22 | Oisin O`cuilleanain | James Merriman | 0-1 | 67 | Open |
| 160 | 2020-07-10 | 1st 4NCL Online Open 2020 | lichess.org INT | 1.19 | Philip J Olbison | Oisin O`cuilleanain | 1-0 | 33 | Open |
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