Oisin O`cuilleanain

IRL · 22 yrs · K=20 · Peak 2206 (Jun 2026)

Best performance: 2373 at The City of Dublin 2026 Masters(Best of 2026)

World #=9994 live981#10,975 publishedIreland #27

OCT26 Rating

2155

Live Rating

2170.8

Change

+15.8

Games Played

Rating History · Classical

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Classical games since the October list

	Tournament	Score	Change	TPR	After
	Eanna Classic Masters 2026Oct 2 – Oct 4TPR 2285	4/5	+15.8	2285	2170.8

Event timeline · Classical

50 of 63 events

Events before the current rating period show the performance, not a rating change.

Live events show the rating change; earlier events show the performance rating.

Eanna Classic Masters 2026+15.8
Oct 2026Individualchess-results.com
#5 in 2026Score 4/5TPR 2285Opp avg 2045Start 2155
The City of Dublin 2026 Masters2373
Sep 2026Swisschess-results.com
Best of 2026Score 4½/5Opp avg 2007Start 2115
Irish Championship 2026 - Championship2181
Aug 2026Swisschess-results.com
#9 in 2026Score 5½/9Opp avg 2101Start 2128
LCU Branagan Cup - finals stage—(2)
Jul 2026Teamfederation source
Score 1/2Opp avg 2105Start 2132
LCU Branagan Cup - group stage—(2)
Jun – Jul 2026Teamfederation source
Score 1/2Opp avg 1957Start 2206
7e Mémorial Aloyzas Kveinys - Master (+1900)2116
Jul 2026Swissfederation source
#13 in 2026Score 4½/9Opp avg 2116Start 2132
Éanna invitational 20262289
Jun 2026Round robinchess-results.com
#4 in 2026Score 4½/8Opp avg 2246Start 2206
Ennis Congress1969
Jun 2026Swisschess-results.com
#15 in 2026Score 2/5Opp avg 2041Start 2206
The Drogheda Chess Congress 2026 - Thomson Masters1986
May – Jun 2026Swisschess-results.com
#14 in 2026Score 3/6Opp avg 1986Start 2197
LCU Armstrong Cup 2025-2026 Round 11—(1)
May 2026Teamfederation source
Score 1/1Opp avg 1946Start 2197
2026 Malahide Millennium Tournament - Senior2220
May 2026Swisschess-results.com
#6 in 2026Score 4/6Opp avg 2095Start 2197
4NCL 2025/26 Division 42655
May 2026Teamfederation source
Score 6/6Opp avg 1855Start 2197
The National Club Championships 20262370
Apr 2026Teamchess-results.com
#2 in 2026Score 4/5Opp avg 2130Start 2177
4th Pafos International 20262131
Apr 2026Swisslichess
#11 in 2026Score 5/9Opp avg 2088Start 2177
LCU Armstrong Cup 2025-2026 Rounds 9-10—(2)
Mar 2026Teamfederation source
Score 1/2Opp avg 2279Start 2171
The Cavan Chess Congress 2026 Masters2219
Mar 2026Swissfederation source
#7 in 2026Score 2½/4Opp avg 2124Start 2171
DCU Open 20262137
Feb 2026Swissfederation source
#10 in 2026Score 4/5Opp avg 1944Start 2164
LCU Armstrong Cup 2025-2026 Rounds 7-8—(2)
Jan – Feb 2026Teamfederation source
Score 1/2Opp avg 2149Start 2146
The Sligo Chess and Culture Festival 2026 Master2183
Jan – Feb 2026Swisschess-results.com
#8 in 2026Score 4/5Opp avg 1943Start 2146
Gonzaga Charity Chess Classic 2026 - Masters Section2292
Jan 2026Swisschess-results.com
#3 in 2026Score 4/5Opp avg 2052Start 2146
LCU Armstrong Cup 2025-2026 Rounds 5-6—(1)
Nov 2025 – Jan 2026Teamfederation source
Score 1/1Opp avg 2173Start 2170
The Irish New Year Norm events 2026 GROUP A2128
Dec 2025 – Jan 2026Round robinfederation source
#12 in 2026Score 3/9Opp avg 2253Start 2171
2025 XTX Markets London Chess Classic Open2074
Nov – Dec 2025Swissfederation source
#8 in 2025Score 3/9Opp avg 2199Start 2170
LCU Armstrong Cup 2025-2026 Rounds 3-4—(2)
Nov 2025Teamfederation source
Score 1/2Opp avg 2128Start 2170
LCU Armstrong Cup 2025-2026 Rounds 1-2—(2)
Sep – Oct 2025Teamfederation source
Score 1½/2Opp avg 1993Start 2167

Recent opponents · Classical

FMNguyen Hong Nhung Muhtarim-Ul Haque Korneliusz Bartczak Mustakim-Ul Haque James Joseph OBrien

Rated near Oisin O`cuilleanain · Classical

World

#=9935WFMZhuoling Li2171.0
#=9994Daniel Buric2170.8
#=9994Oisin O`cuilleanain2170.8
#=9996Fabian Miesen2170.6
#=9996FMEduardo da Costa Marra2170.6

Ireland

Live ratings projected from the OCT26 published list · Not affiliated with FIDE