Oisin O`cuilleanain

Country

IRL

Birth Year

2004

Gender

M

Title

FIDE ID

2514249

FIDE ratings

2155

Classical

Published FIDE

1995

Rapid

Published FIDE

2112

Blitz

Published FIDE

Official classical ranks

World rank
#10975
National rank · IRL
#34

Active players · Oct 2026 FIDE list ⓘ

Rating history

Highest recorded rating
2171 Dec 2025
Recorded years
2019–2026
Archived games
172

Based on available monthly lists and saved games.

FIDE rating history

Published rating lists through Oct 2026.

View rating lists
Available Games

Published games available in our archive; coverage varies by tournament. Archive last checked: 2026-10-06 (UTC).

# Date Event Site Round White Black Result Moves View
1 2026-08-09 105th ch-IRL 2026 Dublin IRL 9.4 Venkatesan,Kavin O'cuilleanain,Oisin 1/2-1/2 41 Open
2 2026-08-08 105th ch-IRL 2026 Dublin IRL 8.6 O'cuilleanain,Oisin Liu,Jason 1/2-1/2 45 Open
3 2026-08-07 105th ch-IRL 2026 Dublin IRL 7.8 Freeman,G O'cuilleanain,Oisin 0-1 27 Open
4 2026-08-06 105th ch-IRL 2026 Dublin IRL 6.6 O'cuilleanain,Oisin Ivanov,Andrey A. 0-1 49 Open
5 2026-08-05 105th ch-IRL 2026 Dublin IRL 5.2 Tureshbayev,Anuar O'cuilleanain,Oisin 1-0 39 Open
6 2026-08-04 105th ch-IRL 2026 Dublin IRL 4.3 O'cuilleanain,Oisin Woods,Yannick 1-0 31 Open
7 2026-08-03 105th ch-IRL 2026 Dublin IRL 3.6 Daly,C O'cuilleanain,Oisin 0-1 59 Open
8 2026-08-02 105th ch-IRL 2026 Dublin IRL 2.12 O'cuilleanain,Oisin Voogt,Declan 1-0 36 Open
9 2026-08-01 105th ch-IRL 2026 Dublin IRL 1.12 Burke,Kevin A. O'cuilleanain,Oisin 1/2-1/2 42 Open
10 2026-04-19 4th Paphos Int Open 2026 Paphos CYP 9.6 Gkavardinas,Antonios O'cuilleanain,Oisin 1-0 71 Open
11 2026-04-15 4th Paphos Int Open 2026 Paphos CYP 4.7 Sofronie,I O'cuilleanain,Oisin 1-0 21 Open
12 2026-04-14 4th Paphos Int Open 2026 Paphos CYP 2.6 Nikolov,Mo O'cuilleanain,Oisin 1-0 35 Open
13 2026-01-04 Irish New Year IM 2026 Dublin IRL 9.5 Andrei Rakhmangulov Oisin O`cuilleanain 1/2-1/2 48 Open
14 2026-01-04 Irish New Year IM 2026 Dublin IRL 8.2 Oisin O`cuilleanain Shrook Wafa 0-1 51 Open
15 2026-01-03 Irish New Year IM 2026 Dublin IRL 7.4 Attila Czebe Oisin O`cuilleanain 1-0 35 Open
16 2026-01-03 Irish New Year IM 2026 Dublin IRL 6.3 Oisin O`cuilleanain Peter Carroll 0-1 42 Open
17 2026-01-02 Irish New Year IM 2026 Dublin IRL 5.3 Kavin Venkatesan Oisin O`cuilleanain 0-1 81 Open
18 2026-01-02 Irish New Year IM 2026 Dublin IRL 4.4 Oisin O`cuilleanain Jude Shearsby 0-1 34 Open
19 2026-01-01 Irish New Year IM 2026 Dublin IRL 3.2 Angus J Dunnington Oisin O`cuilleanain 1-0 47 Open
20 2026-01-01 Irish New Year IM 2026 Dublin IRL 2.5 Oisin O`cuilleanain Adam Collins 1/2-1/2 25 Open
21 2025-12-31 Irish New Year IM 2026 Dublin IRL 1.1 Oisin O`cuilleanain Jason Liu 1-0 28 Open
22 2025-12-03 15th London Classic Open London ENG 9.49 Shambavi Hariharan Oisin O`cuilleanain 1/2-1/2 52 Open
23 2025-12-02 15th London Classic Open London ENG 8.55 Artjom Gurevich Oisin O`cuilleanain 0-1 65 Open
24 2025-12-01 15th London Classic Open London ENG 7.56 Oisin O`cuilleanain Saro Khachatouri 0-1 28 Open
25 2025-11-30 15th London Classic Open London ENG 6.48 Maxim Farberov Oisin O`cuilleanain 1-0 29 Open
26 2025-11-30 15th London Classic Open London ENG 5.52 Oisin O`cuilleanain Zoe Varney 1/2-1/2 56 Open
27 2025-11-29 15th London Classic Open London ENG 4.56 Mei-En Emmanuelle Hng Oisin O`cuilleanain 0-1 41 Open
28 2025-11-28 15th London Classic Open London ENG 3.5 Oisin O`cuilleanain Niklas Schmider 0-1 32 Open
29 2025-11-28 15th London Classic Open London ENG 2.37 Ferenc Langheinrich Oisin O`cuilleanain 1-0 17 Open
30 2025-11-27 15th London Classic Open London ENG 1.29 Oisin O`cuilleanain Maciej Czopor 0-1 49 Open
31 2025-08-10 104th ch-IRL 2025 Ennis IRL 9.4 Oisin O`cuilleanain Conor O`Donnell 0-1 25 Open
32 2025-08-09 104th ch-IRL 2025 Ennis IRL 8.7 Oisin O`cuilleanain Nitish Arun 1-0 50 Open
33 2025-08-08 104th ch-IRL 2025 Ennis IRL 7.5 Jacob Flynn Oisin O`cuilleanain 1-0 38 Open
34 2025-08-07 104th ch-IRL 2025 Ennis IRL 6.7 Oisin O`cuilleanain Conor Sheehan 1-0 74 Open
35 2025-08-06 104th ch-IRL 2025 Ennis IRL 5.9 Yannick Woods Oisin O`cuilleanain 0-1 35 Open
36 2025-08-05 104th ch-IRL 2025 Ennis IRL 4.4 Oisin O`cuilleanain Oleg Gubanov 0-1 43 Open
37 2025-08-04 104th ch-IRL 2025 Ennis IRL 3.9 Declan Voogt Oisin O`cuilleanain 0-1 57 Open
38 2025-08-03 104th ch-IRL 2025 Ennis IRL 2.8 Oisin O`cuilleanain Advaith Nichenametla V 1/2-1/2 39 Open
39 2025-08-02 104th ch-IRL 2025 Ennis IRL 1.13 Oleksii Rai Oisin O`cuilleanain 1/2-1/2 60 Open
40 2025-07-16 Najdorf Mem Open A 2025 Warsaw POL 9.25 Oisin O`cuilleanain Swara Lakshmi S Nair 1-0 43 Open
41 2025-07-15 Najdorf Mem Open A 2025 Warsaw POL 8.36 Dominik Rzeszowski Oisin O`cuilleanain 0-1 41 Open
42 2025-07-14 Najdorf Mem Open A 2025 Warsaw POL 7.23 Oisin O`cuilleanain Piotr Mickiewicz 0-1 40 Open
43 2025-07-13 Najdorf Mem Open A 2025 Warsaw POL 6.33 Tymon Kazmierowski Oisin O`cuilleanain 0-1 32 Open
44 2025-07-12 Najdorf Mem Open A 2025 Warsaw POL 5.28 Oisin O`cuilleanain Carlos Salgado Allaria 0-1 37 Open
45 2025-07-11 Najdorf Mem Open A 2025 Warsaw POL 4.13 Jakub Janeczko Oisin O`cuilleanain 1-0 21 Open
46 2025-07-10 Najdorf Mem Open A 2025 Warsaw POL 3.2 Oisin O`cuilleanain Deep Sengupta 0-1 54 Open
47 2025-07-09 Najdorf Mem Open A 2025 Warsaw POL 2.14 Oisin O`cuilleanain Jan Golecki 1-0 41 Open
48 2025-07-08 Najdorf Mem Open A 2025 Warsaw POL 1.15 Wiktor Golis Oisin O`cuilleanain 0-1 42 Open
49 2025-06-02 Thomson Masters Drogheda Drogheda IRL 6.5 Andrey A. Ivanov Oisin O`cuilleanain 1-0 67 Open
50 2025-06-02 Thomson Masters Drogheda Drogheda IRL 5.6 Oisin O`cuilleanain Kirill Kholyavko 1/2-1/2 24 Open

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