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O`cuilleanain, Oisin

FIDE ID 2514249· born 2004 · last updated 5/12/2026

FIDE standard

2197

FIDE rapid

1988

FIDE blitz

2046

Games on file ( 100 )

Real tournament games of Oisin O`cuilleanain from public sources. Select a game to replay it on the board.

All games

411940

+41 =19 -40 · score51% · 100 games

As White

201118

+20 =11 -18 · score52% · 49 games

As Black

21822

+21 =8 -22 · score49% · 51 games

Venkatesan,Kavin(2297)

O'cuilleanain,Oisin(2132)½-½

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Venkatesan,Kavin (2297)vsO'cuilleanain,Oisin (2132)½-½2026-08-09King's Indian, 3.Nf341 moves105th ch-IRL 2026TWIC twic1657
O'cuilleanain,Oisin (2132)vsLiu,Jason (2180)½-½2026-08-08English opening45 moves105th ch-IRL 2026TWIC twic1657
Freeman,G (2068)vsO'cuilleanain,Oisin (2132)0-12026-08-07King's Indian27 moves105th ch-IRL 2026TWIC twic1657
O'cuilleanain,Oisin (2132)vsIvanov,Andrey A. (2085)0-12026-08-06French49 moves105th ch-IRL 2026TWIC twic1657
Tureshbayev,Anuar (2304)vsO'cuilleanain,Oisin (2132)1-02026-08-05Sicilian39 moves105th ch-IRL 2026TWIC twic1657
O'cuilleanain,Oisin (2132)vsWoods,Yannick (2128)1-02026-08-04Sicilian31 moves105th ch-IRL 2026TWIC twic1657
Daly,C (2182)vsO'cuilleanain,Oisin (2132)0-12026-08-03Gruenfeld59 moves105th ch-IRL 2026TWIC twic1657
O'cuilleanain,Oisin (2132)vsVoogt,Declan (1849)1-02026-08-02Giuoco Piano36 moves105th ch-IRL 2026TWIC twic1656
Burke,Kevin A. (1896)vsO'cuilleanain,Oisin (2132)½-½2026-08-01Sicilian42 moves105th ch-IRL 2026TWIC twic1656
Andhurthi, Sreeyan (1930)vsO`cuilleanain, Oisin (2206)0-12026-05-31Sicilian Defense: Najdorf Variation, English Attack21 movesRound 3: Andhurthi, Sreeyan - O`cuilleanain, OisinLichess broadcast round:TFiF3Xc5
O`cuilleanain, Oisin (2197)vsFil, Alkim Alper (1930)0-12026-05-31Sicilian Defense: O'Kelly Variation, Réti System41 movesRound 4: O`cuilleanain, Oisin - Fil, Alkim AlperLichess broadcast round:p5SnGE4R
Hughes, Padraig (1962)vsO`cuilleanain, Oisin (2206)1-02026-05-30Sicilian Defense: Najdorf Variation, English Attack38 movesRound 1: Hughes, Padraig - O`cuilleanain, OisinLichess broadcast round:VKv6Y1NC
O`cuilleanain, Oisin (2197)vsBarnes, Oliver (1966)0-12026-05-30English Opening: Agincourt Defense, Neo-Catalan Declined50 movesRound 2: O`cuilleanain, Oisin - Barnes, OliverLichess broadcast round:ayoyRrtv
Gkavardinas,Antonios (2286)vsO'cuilleanain,Oisin (2177)1-02026-04-19Sicilian71 moves4th Paphos Int Open 2026TWIC twic1641
Sofronie,I (2355)vsO'cuilleanain,Oisin (2177)1-02026-04-15Reti opening21 moves4th Paphos Int Open 2026TWIC twic1641
Nikolov,Mo (2412)vsO'cuilleanain,Oisin (2177)1-02026-04-14Sicilian35 moves4th Paphos Int Open 2026TWIC twic1641
O'cuilleanain,Oisin (2171)vsWafa,Shrook (2190)0-12026-01-04Two knights defence (Modern bishop's opening)51 movesIrish New Year IM 2026TWIC twic1626
Rakhmangulov,A (2271)vsO'cuilleanain,Oisin (2171)½-½2026-01-04Sicilian48 movesIrish New Year IM 2026TWIC twic1626
Czebe,A (2289)vsO'cuilleanain,Oisin (2171)1-02026-01-03Reti opening35 movesIrish New Year IM 2026TWIC twic1626
O'cuilleanain,Oisin (2171)vsCarroll,Peter (2171)0-12026-01-03Sicilian42 movesIrish New Year IM 2026TWIC twic1626
O'cuilleanain,Oisin (2171)vsShearsby,Jude (2310)0-12026-01-02Sicilian34 movesIrish New Year IM 2026TWIC twic1626
Venkatesan,Kavin (2291)vsO'cuilleanain,Oisin (2171)0-12026-01-02Queen's Indian81 movesIrish New Year IM 2026TWIC twic1626
O'cuilleanain,Oisin (2171)vsCollins,Adam (2300)½-½2026-01-01French25 movesIrish New Year IM 2026TWIC twic1626
Dunnington,A (2203)vsO'cuilleanain,Oisin (2171)1-02026-01-01Benko's opening47 movesIrish New Year IM 2026TWIC twic1626
O'cuilleanain,Oisin (2171)vsLiu,Jason (2257)1-02025-12-31French28 movesIrish New Year IM 2026TWIC twic1626
Hariharan,Shambavi (1988)vsO'cuilleanain,Oisin (2170)½-½2025-12-03King's Indian defence, 3.Nc352 moves15th London Classic OpenTWIC twic1622
Gurevich,Ar (2163)vsO'cuilleanain,Oisin (2170)0-12025-12-02Catalan opening65 moves15th London Classic OpenTWIC twic1622
O'cuilleanain,Oisin (2170)vsKhachatouri,Saro (2100)0-12025-12-01King's pawn opening28 moves15th London Classic OpenTWIC twic1622
O'cuilleanain,Oisin (2170)vsVarney,Zoe (2062)½-½2025-11-30Ruy Lopez56 moves15th London Classic OpenTWIC twic1621
Farberov,Maxim (2133)vsO'cuilleanain,Oisin (2170)1-02025-11-30Sicilian29 moves15th London Classic OpenTWIC twic1621
Hng,Mei-En Emmanuelle (2125)vsO'cuilleanain,Oisin (2170)0-12025-11-29Sicilian41 moves15th London Classic OpenTWIC twic1621
Langheinrich,F (2334)vsO'cuilleanain,Oisin (2170)1-02025-11-28Sicilian17 moves15th London Classic OpenTWIC twic1621
O'cuilleanain,Oisin (2170)vsSchmider,Niklas (2423)0-12025-11-28Sicilian32 moves15th London Classic OpenTWIC twic1621
O'cuilleanain,Oisin (2170)vsCzopor,Maciej (2463)0-12025-11-27Sicilian49 moves15th London Classic OpenTWIC twic1621
O'cuilleanain,Oisin (2129)vsO'Donnell,Conor (2301)0-12025-08-10Sicilian25 moves104th ch-IRL 2025TWIC twic1605
O'cuilleanain,Oisin (2129)vsArun,Nitish (2041)1-02025-08-09Reti50 moves104th ch-IRL 2025TWIC twic1605
Flynn,Jacob (2237)vsO'cuilleanain,Oisin (2129)1-02025-08-08Sicilian38 moves104th ch-IRL 2025TWIC twic1605
O'cuilleanain,Oisin (2129)vsSheehan,Conor (1859)1-02025-08-07Sicilian74 moves104th ch-IRL 2025TWIC twic1605
Woods,Yannick (2015)vsO'cuilleanain,Oisin (2129)0-12025-08-06Queen's pawn game35 moves104th ch-IRL 2025TWIC twic1605
O'cuilleanain,Oisin (2129)vsGubanov,O (2261)0-12025-08-05Sicilian43 moves104th ch-IRL 2025TWIC twic1605
Voogt,Declan (1821)vsO'cuilleanain,Oisin (2129)0-12025-08-04Queen's Indian57 moves104th ch-IRL 2025TWIC twic1605
O'cuilleanain,Oisin (2129)vsNichenametla V,Advaith (1862)½-½2025-08-03French39 moves104th ch-IRL 2025TWIC twic1605
Rai,Oleksii (1856)vsO'cuilleanain,Oisin (2129)½-½2025-08-02Sicilian60 moves104th ch-IRL 2025TWIC twic1605
O'cuilleanain,Oisin (2086)vsSwara Lakshmi S Nair (2187)1-02025-07-16Sicilian43 movesNajdorf Mem Open A 2025TWIC twic1602
Rzeszowski,Dominik (2001)vsO'cuilleanain,Oisin (2086)0-12025-07-15Sicilian41 movesNajdorf Mem Open A 2025TWIC twic1602
O'cuilleanain,Oisin (2086)vsMickiewicz,P (2224)0-12025-07-14Sicilian40 movesNajdorf Mem Open A 2025TWIC twic1602
Kazmierowski,Tymon (2138)vsO'cuilleanain,Oisin (2086)0-12025-07-13Catalan32 movesNajdorf Mem Open A 2025TWIC twic1601
O'cuilleanain,Oisin (2086)vsSalgado Allaria,C (2188)0-12025-07-12Sicilian37 movesNajdorf Mem Open A 2025TWIC twic1601
Janeczko,Jakub (2282)vsO'cuilleanain,Oisin (2086)1-02025-07-11Sicilian21 movesNajdorf Mem Open A 2025TWIC twic1601
O'cuilleanain,Oisin (2086)vsSengupta,D (2497)0-12025-07-10French54 movesNajdorf Mem Open A 2025TWIC twic1601
O'cuilleanain,Oisin (2086)vsGolecki,Jan (2279)1-02025-07-09Sicilian41 movesNajdorf Mem Open A 2025TWIC twic1601
Golis,Wiktor (2319)vsO'cuilleanain,Oisin (2086)0-12025-07-08Sicilian42 movesNajdorf Mem Open A 2025TWIC twic1601
Ivanov,Andrey A. (2103)vsO'cuilleanain,Oisin (2087)1-02025-06-02Reti opening67 movesThomson Masters DroghedaTWIC twic1595
O'cuilleanain,Oisin (2087)vsKholyavko,Kirill (1950)½-½2025-06-02Reti24 movesThomson Masters DroghedaTWIC twic1595
Artemenko,O (2268)vsO'cuilleanain,Oisin (2087)1-02025-06-01Nimzo-Indian45 movesThomson Masters DroghedaTWIC twic1595
O'cuilleanain,Oisin (2087)vsGallagher,Brian (1864)1-02025-06-01Sicilian43 movesThomson Masters DroghedaTWIC twic1595
O'cuilleanain,Oisin (2087)vsPalacios Sanchez,Victor (1857)1-02025-05-31Sicilian defence24 movesThomson Masters DroghedaTWIC twic1595
Kanyamarala,Tarun (2400)vsO'cuilleanain,Oisin (2087)1-02025-05-31English37 movesThomson Masters DroghedaTWIC twic1595
Shriman,K (1915)vsO'cuilleanain,Oisin (2074)0-12025-04-21Old Indian44 movesDublin Easter Int OpenTWIC twic1589
O'cuilleanain,Oisin (2074)vsMelaugh,Shane (2182)0-12025-04-21Queen's gambit declined33 movesDublin Easter Int OpenTWIC twic1589
O'cuilleanain,Oisin (2074)vsKesare,Aarav (1768)1-02025-04-20Sicilian defence59 movesDublin Easter Int OpenTWIC twic1589
Ozarpaci,Mert Can (1797)vsO'cuilleanain,Oisin (2074)0-12025-04-20Sicilian42 movesDublin Easter Int OpenTWIC twic1589
O'cuilleanain,Oisin (2074)vsVoogt,Declan (1831)1-02025-04-19Ruy Lopez77 movesDublin Easter Int OpenTWIC twic1589
Holm,Kristian Stuvik (2500)vsO'cuilleanain,Oisin (2074)1-02025-04-19Queen's Indian34 movesDublin Easter Int OpenTWIC twic1589
O Hanlon,Joe (1687)vsO'cuilleanain,Oisin (2074)0-12025-04-18King's Indian30 movesDublin Easter Int OpenTWIC twic1589
O'cuilleanain,Oisin (2106)vsRindhiya,V (1999)0-12025-01-16Giuoco Piano37 moves23rd Prague Open 2025TWIC twic1576
O'cuilleanain,Oisin (2106)vsTopencik,Bruno (1985)0-12025-01-14Caro-Kann73 moves23rd Prague Open 2025TWIC twic1576
O'cuilleanain,Oisin (2100)vsFitzsimons,D (2301)½-½2024-08-11French20 moves103rd ch-IRL 2024TWIC twic1553
O'cuilleanain,Oisin (2100)vsCarroll,Peter (2162)1-02024-08-10Sicilian defence41 moves103rd ch-IRL 2024TWIC twic1553
Putar,Lara (1841)vsO'cuilleanain,Oisin (2100)0-12024-08-09Queen's Indian58 moves103rd ch-IRL 2024TWIC twic1553
O'cuilleanain,Oisin (2100)vsHushpit,Lukian (2074)½-½2024-08-08English48 moves103rd ch-IRL 2024TWIC twic1553
Collins,Adam (2189)vsO'cuilleanain,Oisin (2100)1-02024-08-07Queen's Indian defence55 moves103rd ch-IRL 2024TWIC twic1553
O'cuilleanain,Oisin (2100)vsMohammad Mahbub Parouare (1891)1-02024-08-06Catalan25 moves103rd ch-IRL 2024TWIC twic1553
Geaney-O'Brien,DavidvsO'cuilleanain,Oisin (2100)½-½2024-08-05Reti79 moves103rd ch-IRL 2024TWIC twic1553
O'cuilleanain,Oisin (2100)vsBaburin,A (2375)½-½2024-08-04Pirc defence24 moves103rd ch-IRL 2024TWIC twic1553
Reynolds,P (1900)vsO'cuilleanain,Oisin (2100)0-12024-08-03King's Indian50 moves103rd ch-IRL 2024TWIC twic1553
Heberla,B (2557)vsO'cuilleanain,Oisin (2118)1-02024-03-28King's Indian44 movesGRENKE Chess Open 2024TWIC twic1534
Tetenkina,I (2140)vsO'cuilleanain,Oisin (2118)1-02024-02-04Reti41 movesSligo Masters 2024TWIC twic1528
O'cuilleanain,Oisin (2118)vsHushpit,Lukian (2054)½-½2024-02-04Giuoco Piano64 movesSligo Masters 2024TWIC twic1528
Pein,Jonathan (2273)vsO'cuilleanain,Oisin (2118)0-12024-02-03Sicilian46 movesSligo Masters 2024TWIC twic1528
Beatty,Ross (1831)vsO'cuilleanain,Oisin (2118)0-12024-02-03Reti63 movesSligo Masters 2024TWIC twic1528
O'cuilleanain,Oisin (2118)vsBeryozkin,Sergey (1852)0-12024-02-02Sicilian78 movesSligo Masters 2024TWIC twic1528
Ivanov,Andrey A. (1889)vsO'cuilleanain,Oisin (2101)0-12024-01-28Old Indian43 movesGonzaga Classic MastersTWIC twic1525
O'cuilleanain,Oisin (2101)vsO'Donnell,Conor (2274)½-½2024-01-28Caro-Kann32 movesGonzaga Classic MastersTWIC twic1525
Saric,A (2508)vsO'cuilleanain,Oisin (2101)1-02024-01-27King's Indian45 movesGonzaga Classic MastersTWIC twic1525
Daly,C (2140)vsO'cuilleanain,Oisin (2101)1-02024-01-07Sicilian43 movesIrish Int Open 2024TWIC twic1522
O'cuilleanain,Oisin (2101)vsBrozynski,Patryk (2059)1-02024-01-07English opening50 movesIrish Int Open 2024TWIC twic1522
O'cuilleanain,Oisin (2101)vsHushpit,Lukian (2021)1-02024-01-06Ruy Lopez26 movesIrish Int Open 2024TWIC twic1522
Nemeth,Zalan (2237)vsO'cuilleanain,Oisin (2101)½-½2024-01-06King's Indian28 movesIrish Int Open 2024TWIC twic1522
O'cuilleanain,Oisin (2101)vsSheehan,Conor (1674)1-02024-01-05Sicilian30 movesIrish Int Open 2024TWIC twic1522
Kavanagh,James (1797)vsO'cuilleanain,Oisin (2101)0-12024-01-05Sicilian48 movesIrish Int Open 2024TWIC twic1522
O'cuilleanain,Oisin (2097)vsMurchadha,Oissine (1875)1-02023-08-13English42 moves102nd ch-IRL 2023TWIC twic1501
Collins,Adam (2093)vsO'cuilleanain,Oisin (2097)½-½2023-08-12Reti31 moves102nd ch-IRL 2023TWIC twic1501
O'cuilleanain,Oisin (2097)vsNemeth,Zalan (2240)1-02023-08-11Sicilian defence54 moves102nd ch-IRL 2023TWIC twic1501
Carroll,Peter (2100)vsO'cuilleanain,Oisin (2097)1-02023-08-10Four knights game48 moves102nd ch-IRL 2023TWIC twic1501
O'cuilleanain,Oisin (2097)vsDaly,C (2181)1-02023-08-09English opening60 moves102nd ch-IRL 2023TWIC twic1501
Sheahan,Ben (1967)vsO'cuilleanain,Oisin (2097)0-12023-08-08Queen's Indian69 moves102nd ch-IRL 2023TWIC twic1501
O'cuilleanain,Oisin (2097)vsIvanov,Andrey A. (1900)½-½2023-08-07Gruenfeld38 moves102nd ch-IRL 2023TWIC twic1501
Baburin,A (2379)vsO'cuilleanain,Oisin (2097)1-02023-08-06Queen's pawn40 moves102nd ch-IRL 2023TWIC twic1501
O'cuilleanain,Oisin (2097)vsFox,An (1896)1-02023-08-05Two knights defence (Modern bishop's opening)83 moves102nd ch-IRL 2023TWIC twic1501

Frequent openings

As White

SicilianB9015 games · 40%
FrenchC006 games · 42%
Sicilian defenceB404 games · 100%
English openingA153 games · 83%

Recent events

Event	Games	Dates
105th ch-IRL 2026	9	2026-08-01 to 2026-08-09
Round 3: Andhurthi, Sreeyan - O`cuilleanain, Oisin	1	2026-05-31
Round 4: O`cuilleanain, Oisin - Fil, Alkim Alper	1	2026-05-31
Round 1: Hughes, Padraig - O`cuilleanain, Oisin	1	2026-05-30
Round 2: O`cuilleanain, Oisin - Barnes, Oliver	1	2026-05-30
4th Paphos Int Open 2026	3	2026-04-14 to 2026-04-19
Irish New Year IM 2026	9	2025-12-31 to 2026-01-04

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O`cuilleanain, Oisin

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Games on file ( 100 )

Frequent openings

Recent events

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