Oisin O`sullivan

IRL · 26 yrs · K=20 · Peak 1743 (Oct 2026)

Best performance: 1891 at Monthly 4th Sunday Quad B(Best of 2026)

World #=95765 live419#95,346 publishedIreland #474

OCT26 Rating

1743

Live Rating

1743.0

Change

0.0

Games Played

Rating History · Classical

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Classical games since the October list

No rated standard games this rating periodsince the OCT26 list (Oct 1, 2026)

	Last played	Score	TPR
	Michael Bradley Cup Cork County Chess Championship, 2026Sep 12 – Sep 13TPR 1798	3/5	1798

The live rating moves only when new rated games are played. Until then it matches the published rating.

7 of 17 events · All years

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.

Michael Bradley Cup Cork County Chess Championship, 20261798
Sep 2026Swisschess-results.com
#3 in 2026Score 3/5Opp avg 1726Start 1734
4th Sunday Quad - August, Cork1885
Aug 2026Round robinfederation source
#2 in 2026Score 2/3Opp avg 1760Start 1721
July 4th Sunday Quad C1732
Jul 2026Round robinfederation source
#4 in 2026Score 1½/3Opp avg 1732Start 1720
4th Sunday Quad, Cork Quad C—(1)
Jun 2026Individualchess-results.com
Score 1/1Opp avg 1733Start 1720
Monthly 4th Sunday Quad B1891
May 2026Round robinfederation source
Best of 2026Score 2/3Opp avg 1766Start 1705
Munster Chess Union Club League Division 2—(2)
Nov 2025 – Mar 2026Teamchess-results.com
Score 4½/7Opp avg 1858Start 1702
Kinsale Winter Open1543
Jan 2026Swissfederation source
#5 in 2026Score 2/5Opp avg 1668Start 1709

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