Oliver T Koo

USA · 50 yrs · K=20 · Peak 2303 (Oct 2002)

Best performance: 1946 at 1st Joe Yun Memorial Chess Tournament(Best of 2021)

OCT26 Rating

2181

Live Rating

2181.0

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
	1st Joe Yun Memorial Chess TournamentAug 13, 2021 – Aug 15, 2021TPR 1946	2/3	1946

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

1 event

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.

1st Joe Yun Memorial Chess Tournament1946
Aug 2021Swissfederation source
Best of 2021Score 2/3Opp avg 1821Start 2193

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