Isaac Chiu

USA · 24 yrs · K=20 · Peak 2271 (Aug 2022)

Best performance: 2446 at 2018 Potomac Open - U2300(Best of 2018)

World #=7614 live61#7,553 publishedUnited States #=268

NOV26 Rating

2214

Live Rating

2214.0

Change

0.0

Games Played

How live ratings are calculated

Rating History · Classical

Loading chart…

Official classical rating by month

List	Rating	Change
Nov 2026	2214	0
Oct 2026	2214	-12
Sep 2026	2226	0
Aug 2026	2226	0
Jul 2026	2226	0
Jun 2026	2226	0
May 2026	2226	0
Apr 2026	2226	0
Mar 2026	2226	0
Feb 2026	2226	0
Jan 2026	2226	0
Dec 2025	2226	0

Form · Classical

oldest → latest

Unbeaten in the last 5 games (2 wins, 3 draws), since Jul 23, 2023. Longest unbeaten run in 2026: 3 games, Sep 19.

From 310 classical games on record, the latest on Sep 19.

Classical games since the November list

No rated standard games this rating periodsince the NOV26 list (Nov 1, 2026)

	Last played	Score	TPR
	Reverse Angle — TopSep 19TPR 1988	2/3	1988

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

Event timeline · Classical

50 of 52 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.

Performance rating by year

Year	Games	Score	Avg opp	TPR
2026	3	2	1863	1988
2023	5	3½	1870	2019
2022	54	32½	2148	2220
2021	51	28	2171	2207
2020	16	10½	2139	2256
2018	47	27½	2087	2152
2017	33	20	1881	1961
2016	12	6	1996	1996
2015	6	3	1864	1864
2014	1	0	1837	—
2013	2	0	1960	—

Games count in the month they were played. Each month and year is one performance rating over all of its rated games.

Reverse Angle — Top1988
Sep 2026Swissfederation source
Best of 2026Score 2/3Opp avg 1863Start 2226
2023 U.S. Junior Open Championship2019
Jul 2023Swissfederation source
Best of 2023Score 3½/5Opp avg 1870Start 2242
37th annual Eastern Open - Premier2137
Dec 2022Swissfederation source
#6 in 2022Score 5/8Opp avg 2042Start 2261
9th Annual Washington International - Championship2291
Aug 2022Swissfederation source
#2 in 2022Score 5/9Opp avg 2248Start 2271
The 1st Annual Beltway Open1989
Aug 2022Swissfederation source
#7 in 2022Score 4/5Opp avg 1749Start 2271
67th Annual Maryland Open - Championship2193
Jul 2022Swissfederation source
#4 in 2022Score 3½/5Opp avg 2044Start 2233
50th Annual World Open - Open2396
Jun – Jul 2022Swissfederation source
Best of 2022Score 6/9Opp avg 2271Start 2245
15th Annual Philadelphia International2281
Jun 2022Swissfederation source
#3 in 2022Score 5/9Opp avg 2238Start 2245
9th Cherry Blossom Classic - Open2164
May 2022Swissfederation source
#5 in 2022Score 4/9Opp avg 2207Start 2245
51st Annual Continental Open - Master2235
Aug 2021Swissfederation source
#3 in 2021Score 4½/9Opp avg 2235Start 2250
49th Annual World Open - Open2283
Jul 2021Swissfederation source
#2 in 2021Score 5/9Opp avg 2240Start 2194
14th Annual Philadelphia International - Premier2307
Jun 2021Swissfederation source
Best of 2021Score 5/9Opp avg 2264Start 2190
8th Cherry Blossom Classic - Open2162
May 2021Swissfederation source
#5 in 2021Score 5/9Opp avg 2119Start 2190
53rd Annual Virginia Open2172
Apr 2021Swissfederation source
#4 in 2021Score 4/5Opp avg 1932Start 2195
2nd Colonial Open - Open2084
Apr 2021Swissfederation source
#7 in 2021Score 3/5Opp avg 2012Start 2195
1st Charlotte Masters2106
Feb 2021Swissfederation source
#6 in 2021Score 1½/5Opp avg 2255Start 2209
2020 North American Junior Championships - Open Under 202196
Dec 2020Swissfederation source
#3 in 2020Score 6/9Opp avg 2101Start 2209
2020 US Class Championship - Master2257
Oct – Nov 2020Swissfederation source
#2 in 2020Score 3/5Opp avg 2185Start 2191
58th Annual Baltimore Open - Championship2437
Feb 2020Swissfederation source
Best of 2020Score 2½/3Opp avg 2164Start 2147
2019 Potomac Open2178
Aug 2019Swissfederation source
#3 in 2019Score 3/5Opp avg 2106Start 2131
8th Annual Washington International2150
Jul 2019Swissfederation source
#5 in 2019Score 3½/9Opp avg 2230Start 2131
8th Annual Continental Class Championship2059
Jun 2019Swissfederation source
#7 in 2019Score 2½/5Opp avg 2059Start 2158
7th Cherry Blossom Classic2156
May 2019Swissfederation source
#4 in 2019Score 5/9Opp avg 2113Start 2160
1st Colonial Open2350
Apr 2019Swissfederation source
Best of 2019Score 4/5Opp avg 2110Start 2099
52nd Annual Virginia Open2045
Mar 2019Swissfederation source
#8 in 2019Score 3/5Opp avg 1973Start 2115

Rated near Isaac Chiu · Classical

World

#=7614FM Jingyun (ryan) Yang2214.0
#=7614Guy Belkovsky2214.0
#=7614Isaac Chiu2214.0
#=7614FM Derek Wu2214.0
#=7614Aurelio Anton Escudero2214.0

United States

#=268FM Joseph Shutzman2214.0
#=268FM Ashritha Eswaran2214.0
#=268Isaac Chiu2214.0
#=268FM Derek Wu2214.0
#=273FM Eigen Wang2212.0

Live ratings projected from the NOV26 published list · Not affiliated with FIDE