Ella Guo

USA · 18 yrs · K=40 · Peak 1773 (Jan 2025)

Best performance: 2164 at 2022 World Open FIDE U2400(Best of 2022)

World #=100491 live1043#99,448 publishedUnited States #=3016

NOV26 Rating

1733

Live Rating

1733.0

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	1733	0
Oct 2026	1733	0
Sep 2026	1733	0
Aug 2026	1733	0
Jul 2026	1733	0
Jun 2026	1733	0
May 2026	1733	0
Apr 2026	1733	0
Mar 2026	1733	-1
Feb 2026	1734	+1
Jan 2026	1733	0
Dec 2025	1733	-40

Form · Classical

oldest → latest

Unbeaten in the last 2 games (2 wins), since Nov 23, 2025.

From 184 classical games on record, the latest on Nov 23, 2025.

Classical games since the November list

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

	Last played	Score	TPR
	2025 Susan Polgar Foundation National Open for Girls and Boys - K-12 GirlsNov 22, 2025 – Nov 23, 2025TPR 1530	3/5	1530

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

Best wins · Classical

From 145 rated classical games against rated opponents, 2021–2025

#	Opponent	Rating
1	Roger Martin, 2022 World Open FIDE U2400, Jun 2022	, 2195
2	Leo Raterman, 58th American Open - Under2200, Nov 2023	, 2094
3	Alen D Markovic, SILVER LAKE 2023 OPEN B, Jun 2023	, 1991
4	Marvin Lee, 14th annual Southwest Class Championships - Class A, Feb 2023	, 1919
5	Elijah Platnick, US Junior Open - Under 21, Jul 2022	, 1881
6	Noe Solorio Valderrama, 2024 National Open - Under 2100, Jun 2024	, 1872
7	Christopher Motley, 52nd Annual World Open - U2200, Jul 2024	, 1852
8	Joshua Kyu-Ho Lee, 59th American Open - Expert, Nov 2024	, 1847
9	Jared E Schwartz, 52nd Annual World Open - U2200, Jul 2024	, 1832
10	Robert Li, 2024 National Open - Under 2100, Jun 2024	, 1830

#	Opponent	Score	Rating
1	IM Yesuntumur Tugstumur, US Junior Open - Under 21, Jul 2022	, 0/1	, 2358
2	Roger Martin, 2022 World Open FIDE U2400, Jun 2022	, 1/1	, 2195
3	WFM Erin Bian, XXXIV Pan-American Youth Championships - Girls U16, Jul 2024	, 0/1	, 2163
4	WFM Rachel Ruoxuan Chen, XXXIII Pan-American Youth Chess Festival - Under 16 Female, Aug 2023	, 0/1	, 2158
5	CM Josue Natanael Castillo Garcia, 2022 World Open FIDE U2400, Jun 2022	, 0/1	, 2141
6	Leo Raterman, 58th American Open - Under2200, Nov 2023	, 1/1	, 2094
7	FM Anant Adury, US Junior Open - Under 21, Jul 2022	, ½/1	, 2063
8	Stefan Ristic, Vojvodina Open 2023 B, Jun 2023	, 0/1	, 2033
9	FM Hersh Singh, US Junior Open - Under 21, Jul 2022	, ½/1	, 2004
10	Alen D Markovic, SILVER LAKE 2023 OPEN B, Jun 2023	, 1/1	, 1991

Event timeline · Classical

31 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
2025	3	1	1655	1530
2023	58	26	1625	1589
2022	33	14½	1655	1612
2021	15	6	1460	1388

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

2025 Susan Polgar Foundation National Open for Girls and Boys - K-12 Girls1530
Nov 2025Swissfederation source
Best of 2025Score 3/5Opp avg 1655Start 1773
59th American Open - Expert1951
Nov – Dec 2024Swissfederation source
Best of 2024Score 2/3Opp avg 1826Start 1739
2024 Susan Polgar Foundation National Open for Girls and Boys - K-12 Girls1818
Oct 2024Swissfederation source
#2 in 2024Score 4/5Opp avg 1625Start 1719
XXXIV Pan-American Youth Championships - Girls U161693
Jul 2024Swissfederation source
#6 in 2024Score 3½/8Opp avg 1736Start 1759
52nd Annual World Open - U22001740
Jul 2024Swissfederation source
#5 in 2024Score 2½/7Opp avg 1842Start 1759
2024 National Open - Under 21001813
Jun 2024Swissfederation source
#3 in 2024Score 3½/7Opp avg 1813Start 1711
2024 U.S. Women's Open1783
Jun 2024Swissfederation source
#4 in 2024Score 2½/4Opp avg 1783Start 1711
2024 15th annual Golden State Open - U21001361
Jan 2024Swissfederation source
#7 in 2024Score 1½/4Opp avg 1448Start 1578
33rd annual North American Open - U21001555
Dec 2023Swissfederation source
#6 in 2023Score 3/7Opp avg 1605Start 1585
North American Youth Chess Championship Ciudad de Mexico 2023 U16 female1563
Dec 2023Swissfederation source
#4 in 2023Score 5/9Opp avg 1520Start 1585
58th American Open - Under22001558
Nov 2023Swissfederation source
#5 in 2023Score 2½/7Opp avg 1707Start 1603
XXXIII Pan-American Youth Chess Festival - Under 16 Female1517
Aug 2023Swissfederation source
#7 in 2023Score 4/9Opp avg 1567Start 1655
Vojvodina Open 2023 B1699
Jun – Jul 2023Swissfederation source
#2 in 2023Score 4½/9Opp avg 1801Start 1505
SILVER LAKE 2023 OPEN B1851
Jun 2023Swissfederation source
Best of 2023Score 5½/9Opp avg 1851Start 1505
1000GM Bay Area April 2023 BonaFIDE Swiss Reserve1638
Apr 2023Swissfederation source
#3 in 2023Score 2½/4Opp avg 1543Start 1471
14th annual Southwest Class Championships - Class A1448
Feb 2023Swissfederation source
#8 in 2023Score 2½/7Opp avg 1550Start 1497
14th annual Golden State Open - U2100 Section1448
Jan 2023Swissfederation source
#8 in 2023Score 2½/7Opp avg 1448Start 1510
32nd annual North American Open - U21001494
Dec 2022Swissfederation source
#4 in 2022Score 3/7Opp avg 1422Start 1510
43rd Annual Southern California Open - U22001294
Sep 2022Swissfederation source
#6 in 2022Score 2½/6Opp avg 1616Start 1557
12th annual Central California Open Under 2100—(1)
Aug 2022Swissfederation source
Score 1/5Opp avg 1438Start 1581
July 2022 BayAreaChess 2-Day Championship Major926
Jul 2022Swissfederation source
Score 0/4Opp avg 1726Start 1335
US Junior Open - Under 211958
Jul 2022Swissfederation source
#2 in 2022Score 3/6Opp avg 2030Start 1335
15th annual Chicago Class - Class A1483
Jul 2022Swissfederation source
#5 in 2022Score 2/5Opp avg 1483Start 1335
50th Annual World Open - Under 20001682
Jun – Jul 2022Swissfederation source
#3 in 2022Score 3½/6Opp avg 1587Start 1334
2022 World Open FIDE U24002164
Jun 2022Swissfederation source
Best of 2022Score 2/4Opp avg 2039Start 1334

Rated near Ella Guo · Classical

World

#=100491Robin Tu1733.0
#=100491Kevin M Fong1733.0
#=100491Ella Guo1733.0
#=100491Colin Yi1733.0
#=100491Jordi Teixidor Jorda1733.0

United States

#=3016Robin Tu1733.0
#=3016Kevin M Fong1733.0
#=3016Ella Guo1733.0
#=3016Colin Yi1733.0
#=3016Bruce Law1733.0

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