Oisin O`cuilleanain

IRL Born 2004 (Age ≈22) Male
FIDE ID
2514249

Player overview

Oisin O`cuilleanain’s highest recorded classical FIDE rating is 2171 (December 2025). On the November 2026 FIDE list, Oisin O`cuilleanain ranks #10115 worldwide and #25 in Ireland among active classical players.

FIDE ratings

Classical

2159.6 -8.4

Live estimate

Rapid

2010

Published FIDE

Blitz

2169

Published FIDE

Official classical ranks

World rank
#10115
National rank · IRL
#25

Active players · Nov 2026 FIDE list ⓘ

Rating milestones

Highest recorded rating
2171 Dec 2025
Recorded years
2019–2026
Archived games
176

Based on available monthly lists and saved games.

Live rankings

Rating history

FIDE rating history

Published rating lists through Nov 2026.

Download chart or data

View rating lists

Games

Published games available in our archive; coverage varies by tournament. Archive last checked: 2026-11-11 (UTC).

Online games are identified from known tournament names, playing sites and PGN mode. Other games are listed as OTB (over-the-board).

# Date Event Site Round White Black Result Moves View
51 2025-07-09 Najdorf Mem Open A 2025 Warsaw POL 2.14 Oisin O`cuilleanain Jan Golecki Won: 1-0 41 Open
52 2025-07-08 Najdorf Mem Open A 2025 Warsaw POL 1.15 Wiktor Golis Oisin O`cuilleanain Won: 0-1 42 Open
53 2025-06-02 Thomson Masters Drogheda Drogheda IRL 6.5 Andrey A. Ivanov Oisin O`cuilleanain Lost: 1-0 67 Open
54 2025-06-02 Thomson Masters Drogheda Drogheda IRL 5.6 Oisin O`cuilleanain Kirill Kholyavko Draw: 1/2-1/2 24 Open
55 2025-06-01 Thomson Masters Drogheda Drogheda IRL 4.3 Oleg Artemenko Oisin O`cuilleanain Lost: 1-0 45 Open
56 2025-06-01 Thomson Masters Drogheda Drogheda IRL 3.6 Oisin O`cuilleanain Brian Gallagher Won: 1-0 43 Open
57 2025-05-31 Thomson Masters Drogheda Drogheda IRL 2.1 Tarun Kanyamarala Oisin O`cuilleanain Lost: 1-0 37 Open
58 2025-05-31 Thomson Masters Drogheda Drogheda IRL 1.8 Oisin O`cuilleanain Victor Palacios Sanchez Won: 1-0 24 Open
59 2025-04-21 Dublin Easter Int Open Dublin IRL 7.4 Shriman K Oisin O`cuilleanain Won: 0-1 44 Open
60 2025-04-21 Dublin Easter Int Open Dublin IRL 6.3 Oisin O`cuilleanain Shane Melaugh Lost: 0-1 33 Open
61 2025-04-20 Dublin Easter Int Open Dublin IRL 5.5 Mert Can Ozarpaci Oisin O`cuilleanain Won: 0-1 42 Open
62 2025-04-20 Dublin Easter Int Open Dublin IRL 4.7 Oisin O`cuilleanain Aarav Kesare Won: 1-0 59 Open
63 2025-04-19 Dublin Easter Int Open Dublin IRL 3.1 Kristian Stuvik Holm Oisin O`cuilleanain Lost: 1-0 34 Open
64 2025-04-19 Dublin Easter Int Open Dublin IRL 2.6 Oisin O`cuilleanain Declan Voogt Won: 1-0 77 Open
65 2025-04-18 Dublin Easter Int Open Dublin IRL 1.5 Joe O Hanlon Oisin O`cuilleanain Won: 0-1 30 Open
66 2025-01-16 23rd Prague Open 2025 Prague CZE 8.19 Oisin O`cuilleanain Rindhiya V Lost: 0-1 37 Open
67 2025-01-14 23rd Prague Open 2025 Prague CZE 6.2 Oisin O`cuilleanain Bruno Topencik Lost: 0-1 73 Open
68 2024-08-11 103rd ch-IRL 2024 Dublin IRL 9.1 Oisin O`cuilleanain David Fitzsimons Draw: 1/2-1/2 20 Open
69 2024-08-10 103rd ch-IRL 2024 Dublin IRL 8.4 Oisin O`cuilleanain Peter Carroll Won: 1-0 41 Open
70 2024-08-09 103rd ch-IRL 2024 Dublin IRL 7.7 Lara Putar Oisin O`cuilleanain Won: 0-1 58 Open
71 2024-08-08 103rd ch-IRL 2024 Dublin IRL 6.6 Oisin O`cuilleanain Lukian Hushpit Draw: 1/2-1/2 48 Open
72 2024-08-07 103rd ch-IRL 2024 Dublin IRL 5.3 Adam Collins Oisin O`cuilleanain Lost: 1-0 55 Open
73 2024-08-06 103rd ch-IRL 2024 Dublin IRL 4.8 Oisin O`cuilleanain Mohammad Mahbub Parouare Won: 1-0 25 Open
74 2024-08-05 103rd ch-IRL 2024 Dublin IRL 3.8 Unidentified player Oisin O`cuilleanain Draw: 1/2-1/2 79 Open
75 2024-08-04 103rd ch-IRL 2024 Dublin IRL 2.1 Oisin O`cuilleanain Alexander Baburin Draw: 1/2-1/2 24 Open
76 2024-08-03 103rd ch-IRL 2024 Dublin IRL 1.12 Pat Reynolds Oisin O`cuilleanain Won: 0-1 50 Open
77 2024-05-06 Malahide Millennium Open Dublin IRL 6.4 Oisin O`cuilleanain Jason Liu Lost: 0-1 10 Open
78 2024-05-06 Malahide Millennium Open Dublin IRL 5.3 Adam Collins Oisin O`cuilleanain Draw: 1/2-1/2 24 Open
79 2024-05-05 Malahide Millennium Open Dublin IRL 4.1 Oisin O`cuilleanain Shane Melaugh Lost: 0-1 21 Open
80 2024-05-04 Malahide Millennium Open Dublin IRL 2.4 Oisin O`cuilleanain Andrey A. Ivanov Won: 1-0 60 Open
81 2024-05-04 Malahide Millennium Open Dublin IRL 1.5 Alex Goss Oisin O`cuilleanain Draw: 1/2-1/2 66 Open
82 2024-03-28 GRENKE Chess Open 2024 Karlsruhe GER 1.26 Bartlomiej Heberla Oisin O`cuilleanain Lost: 1-0 44 Open
83 2024-02-04 Sligo Masters 2024 Enniscrone IRL 5.3 Irina Tetenkina Oisin O`cuilleanain Lost: 1-0 41 Open
84 2024-02-04 Sligo Masters 2024 Enniscrone IRL 4.4 Oisin O`cuilleanain Lukian Hushpit Draw: 1/2-1/2 64 Open
85 2024-02-03 Sligo Masters 2024 Enniscrone IRL 3.5 Jonathan Pein Oisin O`cuilleanain Won: 0-1 46 Open
86 2024-02-03 Sligo Masters 2024 Enniscrone IRL 2.9 Ross Beatty Oisin O`cuilleanain Won: 0-1 63 Open
87 2024-02-02 Sligo Masters 2024 Enniscrone IRL 1.7 Oisin O`cuilleanain Sergey Beryozkin Lost: 0-1 78 Open
88 2024-01-28 Gonzaga Classic Masters Dublin IRL 5.5 Oisin O`cuilleanain Conor O`Donnell Draw: 1/2-1/2 32 Open
89 2024-01-28 Gonzaga Classic Masters Dublin IRL 4.1 Andrey A. Ivanov Oisin O`cuilleanain Won: 0-1 43 Open
90 2024-01-27 Gonzaga Classic Masters Dublin IRL 2.2 Ante Saric Oisin O`cuilleanain Lost: 1-0 45 Open
91 2024-01-07 Irish Int Open 2024 Dublin IRL 7 Colm Daly Oisin O`cuilleanain Lost: 1-0 43 Open
92 2024-01-07 Irish Int Open 2024 Dublin IRL 6 Oisin O`cuilleanain Patryk Brozynski Won: 1-0 50 Open
93 2024-01-06 Irish Int Open 2024 Dublin IRL 5 Oisin O`cuilleanain Lukian Hushpit Won: 1-0 26 Open
94 2024-01-06 Irish Int Open 2024 Dublin IRL 4 Zalan Nemeth Oisin O`cuilleanain Draw: 1/2-1/2 28 Open
95 2024-01-05 Irish Int Open 2024 Dublin IRL 3 James Kavanagh Oisin O`cuilleanain Won: 0-1 48 Open
96 2024-01-05 Irish Int Open 2024 Dublin IRL 2 Oisin O`cuilleanain Conor Sheehan Won: 1-0 30 Open
97 2023-08-13 102nd ch-IRL 2023 Dublin IRL 9.4 Oisin O`cuilleanain Oissine Murchadha Won: 1-0 42 Open
98 2023-08-12 102nd ch-IRL 2023 Dublin IRL 8.4 Adam Collins Oisin O`cuilleanain Draw: 1/2-1/2 31 Open
99 2023-08-11 102nd ch-IRL 2023 Dublin IRL 7.5 Oisin O`cuilleanain Zalan Nemeth Won: 1-0 54 Open
100 2023-08-10 102nd ch-IRL 2023 Dublin IRL 6.3 Peter Carroll Oisin O`cuilleanain Lost: 1-0 48 Open
  1. vs Jan GoleckiWon · 1-0White · 2025-07-09 · Round 2.14Najdorf Mem Open A 2025
  2. vs Wiktor GolisWon · 0-1Black · 2025-07-08 · Round 1.15Najdorf Mem Open A 2025
  3. vs Andrey A. IvanovLost · 1-0Black · 2025-06-02 · Round 6.5Thomson Masters Drogheda
  4. vs Kirill KholyavkoDraw · ½–½White · 2025-06-02 · Round 5.6Thomson Masters Drogheda
  5. vs Oleg ArtemenkoLost · 1-0Black · 2025-06-01 · Round 4.3Thomson Masters Drogheda
  6. vs Brian GallagherWon · 1-0White · 2025-06-01 · Round 3.6Thomson Masters Drogheda
  7. vs Tarun KanyamaralaLost · 1-0Black · 2025-05-31 · Round 2.1Thomson Masters Drogheda
  8. vs Victor Palacios SanchezWon · 1-0White · 2025-05-31 · Round 1.8Thomson Masters Drogheda
  9. vs Shriman KWon · 0-1Black · 2025-04-21 · Round 7.4Dublin Easter Int Open
  10. vs Shane MelaughLost · 0-1White · 2025-04-21 · Round 6.3Dublin Easter Int Open
  11. vs Mert Can OzarpaciWon · 0-1Black · 2025-04-20 · Round 5.5Dublin Easter Int Open
  12. vs Aarav KesareWon · 1-0White · 2025-04-20 · Round 4.7Dublin Easter Int Open
  13. vs Kristian Stuvik HolmLost · 1-0Black · 2025-04-19 · Round 3.1Dublin Easter Int Open
  14. vs Declan VoogtWon · 1-0White · 2025-04-19 · Round 2.6Dublin Easter Int Open
  15. vs Joe O HanlonWon · 0-1Black · 2025-04-18 · Round 1.5Dublin Easter Int Open
  16. vs Rindhiya VLost · 0-1White · 2025-01-16 · Round 8.1923rd Prague Open 2025
  17. vs Bruno TopencikLost · 0-1White · 2025-01-14 · Round 6.223rd Prague Open 2025
  18. vs David FitzsimonsDraw · ½–½White · 2024-08-11 · Round 9.1103rd ch-IRL 2024
  19. vs Peter CarrollWon · 1-0White · 2024-08-10 · Round 8.4103rd ch-IRL 2024
  20. vs Lara PutarWon · 0-1Black · 2024-08-09 · Round 7.7103rd ch-IRL 2024
  21. vs Lukian HushpitDraw · ½–½White · 2024-08-08 · Round 6.6103rd ch-IRL 2024
  22. vs Adam CollinsLost · 1-0Black · 2024-08-07 · Round 5.3103rd ch-IRL 2024
  23. vs Mohammad Mahbub ParouareWon · 1-0White · 2024-08-06 · Round 4.8103rd ch-IRL 2024
  24. vs Unidentified playerDraw · ½–½Black · 2024-08-05 · Round 3.8103rd ch-IRL 2024
  25. vs Alexander BaburinDraw · ½–½White · 2024-08-04 · Round 2.1103rd ch-IRL 2024
  26. vs Pat ReynoldsWon · 0-1Black · 2024-08-03 · Round 1.12103rd ch-IRL 2024
  27. vs Jason LiuLost · 0-1White · 2024-05-06 · Round 6.4Malahide Millennium Open
  28. vs Adam CollinsDraw · ½–½Black · 2024-05-06 · Round 5.3Malahide Millennium Open
  29. vs Shane MelaughLost · 0-1White · 2024-05-05 · Round 4.1Malahide Millennium Open
  30. vs Andrey A. IvanovWon · 1-0White · 2024-05-04 · Round 2.4Malahide Millennium Open
  31. vs Alex GossDraw · ½–½Black · 2024-05-04 · Round 1.5Malahide Millennium Open
  32. vs Bartlomiej HeberlaLost · 1-0Black · 2024-03-28 · Round 1.26GRENKE Chess Open 2024
  33. vs Irina TetenkinaLost · 1-0Black · 2024-02-04 · Round 5.3Sligo Masters 2024
  34. vs Lukian HushpitDraw · ½–½White · 2024-02-04 · Round 4.4Sligo Masters 2024
  35. vs Jonathan PeinWon · 0-1Black · 2024-02-03 · Round 3.5Sligo Masters 2024
  36. vs Ross BeattyWon · 0-1Black · 2024-02-03 · Round 2.9Sligo Masters 2024
  37. vs Sergey BeryozkinLost · 0-1White · 2024-02-02 · Round 1.7Sligo Masters 2024
  38. vs Conor O`DonnellDraw · ½–½White · 2024-01-28 · Round 5.5Gonzaga Classic Masters
  39. vs Andrey A. IvanovWon · 0-1Black · 2024-01-28 · Round 4.1Gonzaga Classic Masters
  40. vs Ante SaricLost · 1-0Black · 2024-01-27 · Round 2.2Gonzaga Classic Masters
  41. vs Colm DalyLost · 1-0Black · 2024-01-07 · Round 7Irish Int Open 2024
  42. vs Patryk BrozynskiWon · 1-0White · 2024-01-07 · Round 6Irish Int Open 2024
  43. vs Lukian HushpitWon · 1-0White · 2024-01-06 · Round 5Irish Int Open 2024
  44. vs Zalan NemethDraw · ½–½Black · 2024-01-06 · Round 4Irish Int Open 2024
  45. vs James KavanaghWon · 0-1Black · 2024-01-05 · Round 3Irish Int Open 2024
  46. vs Conor SheehanWon · 1-0White · 2024-01-05 · Round 2Irish Int Open 2024
  47. vs Oissine MurchadhaWon · 1-0White · 2023-08-13 · Round 9.4102nd ch-IRL 2023
  48. vs Adam CollinsDraw · ½–½Black · 2023-08-12 · Round 8.4102nd ch-IRL 2023
  49. vs Zalan NemethWon · 1-0White · 2023-08-11 · Round 7.5102nd ch-IRL 2023
  50. vs Peter CarrollLost · 1-0Black · 2023-08-10 · Round 6.3102nd ch-IRL 2023

FIDE tournaments

All tournament results