Jack Klein

USA · 22 yrs · K=20 · Peak 1945 (Jul 2022)

Best performance: 2110 at 27th Annual Northeast Open - Major(Best of 2022)

World #=55223 live836#54,387 publishedUnited States #=1522Americas #=6136among active players

Classical rating

1877

FIDE’s November 2026 list. No rated games since, so the live rating is the same.

On FIDE’s list since Aug 2021

How live ratings are calculated

Rating History · Classical

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Classical rating 1898 to 1877 over the last 12 months; peak 1945 in July 2022.

Official rating by month

Each month: the rating, its change from the list before, and the rated games FIDE counted.

List	Classical	Rapid	Blitz
Nov 2026	1877, 0, 0 games	1882, 0, 0 games	1896, 0, 0 games
Oct 2026	1877, 0, 0 games	1882, 0, 0 games	1896, 0, 0 games
Sep 2026	1877, 0, 0 games	1882, 0, 0 games	1896, 0, 0 games
Aug 2026	1877, 0, 0 games	1882, 0, 0 games	1896, 0, 0 games
Jul 2026	1877, 0, 0 games	1882, 0, 0 games	1896, 0, 0 games
Jun 2026	1877, 0, 0 games	1882, 0, 0 games	1896, 0, 0 games
May 2026	1877, 0, 0 games	1882, 0, 0 games	1896, 0, 0 games
Apr 2026	1877, 0, 0 games	1882, 0, 0 games	1896, 0, 0 games
Mar 2026	1877, 0, 0 games	1882, 0, 0 games	1896, 0, 0 games
Feb 2026	1877, -21, 5 games	1882, 0, 0 games	1896, 0, 0 games
Jan 2026	1898, 0, 0 games	1882, 0, 0 games	1896, 0, 0 games
Dec 2025	1898, 0, 0 games	1882, 0, 0 games	1896, 0, 0 games

Form · Classical

oldest → latest

From 145 classical games on record, the latest on Jan 4.

Classical games since the November list

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

	Last played	Score	TPR
	2026 Pan-American Intercollegiate ChampionshipJan 2 – Jan 5TPR 1703	1½/6	1703

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

Best wins · Classical

From 139 rated classical games against rated opponents, 2021–2026

#	Opponent	Rating
1,	GM Jacek Stopa, Jun 2023 · 17th annual Philadelphia Open - Major	, 2382
2,	FM Daniel Girsh, Jul 2024 · 29th Annual Bradley Open - Major	, 2206
3,	Tim Mirabile, Jul 2021 · 26th Annual Bradley Open - Major	, 2139
4,	FM Norman Rogers, Jul 2022 · 50th Annual World Open - Open	, 2138
5,	IM Tanitoluwa Adewumi, Nov 2021 · 26th Annual Northeast Open - Major	, 2121
6,	Yelfry Torres, Jul 2021 · 26th Annual Bradley Open - Major	, 2106
7,	Joseph Truelson, Jul 2021 · 49th Annual World Open - Open	, 2044
8,	Sameer Mujumdar, Jul 2021 · 26th Annual Bradley Open - Major	, 2028
9,	Ted Belanoff, Jun 2022 · 2022 World Open Fide Under 2200	, 2017
10,	Ryan Young, Jul 2022 · 27th annual Bradley Open Major	, 1991

#	Opponent	Overall	Rating
1,	GM Jianchao Zhou, Highest-rated meeting: Aug 2024 · 54th Annual Continental Open - Premier	, 0/2	, 2576
2,	IM Joseph Zeltsan, Highest-rated meeting: Aug 2024 · 56th annual Atlantic Open - Major	, 0/1	, 2417
3,	GM Jacek Stopa, Highest-rated meeting: Jun 2023 · 17th annual Philadelphia Open - Major	, 1/1	, 2382
4,	IM Robert Shlyakhtenko, Highest-rated meeting: Aug 2021 · 2021 North American Youth Chess Championships - Open Under 18	, 0/1	, 2351
5,	FM Gabriel Petesch, Highest-rated meeting: Jun 2023 · 17th annual Philadelphia Open - Major	, 0/1	, 2330
6,	FM Vincent Tsay, Highest-rated meeting: Aug 2021 · 2021 North American Youth Chess Championships - Open Under 18	, 0/2	, 2315
7,	IM Terry Luo, Highest-rated meeting: Jan 2026 · 2026 Pan-American Intercollegiate Championship	, 0/1	, 2289
8,	FM Stephen Willy, Highest-rated meeting: Jun 2023 · 2nd annual World Open Amateur	, 0/1	, 2273
9,	FM Danila Poliannikov, Highest-rated meeting: Nov 2021 · 26th Annual Northeast Open - Major	, 0/1	, 2268
10,	IM Eric Li, Highest-rated meeting: Aug 2021 · 2021 North American Youth Chess Championships - Open Under 18	, 0/1	, 2266

Openings · Classical

From the moves of 9 of 145 classical games on record.

As WhiteOpens 1.Nf3 in 3 of 5 games.

As BlackMeets 1.e4 with 1...d6.

All openings (1 as White)

Openings in White games	Games	Score
King's Indian Attack	3	67%

2 more games in openings played fewer than 3 times.

Event timeline · Classical

26 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	5	½	2069	1703
2025	6	4	1688	1813
2024	45	24½	1889	1918
2023	21	13	1807	1894
2022	40	22½	1829	1872
2021	22	7½	2020	1903

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

2026 Pan-American Intercollegiate Championship, 1703
Jan 2026Swissfederation source
Best of 2026Score 1½/6Opp avg 2069Start 1898
2025 Reading Week Open - U2200, 1813
Feb 2025Swissfederation source
Best of 2025Score 4/6Opp avg 1688Start 1911
3rd Skyline Open - Open, 1936
Oct 2024Swissfederation source
#4 in 2024Score 5½/9Opp avg 1856Start 1904
1st Annual Capital Open, 1885
Sep 2024Swissfederation source
#5 in 2024Score 3/5Opp avg 1813Start 1898
2024 September Marshall Monthly FIDE - U2400, 1 rated game
Sep 2024Swissfederation source
Score ½/1Opp avg 1830Start 1898
146th Annual New York State Championship - Major, 1968
Aug – Sep 2024Swissfederation source
#3 in 2024Score 3½/6Opp avg 1911Start 1933
56th annual Atlantic Open - Major, 2108
Aug 2024Swissfederation source
Best of 2024Score 2/3Opp avg 1983Start 1933
54th Annual Continental Open - Premier, 1836
Aug 2024Swissfederation source
#7 in 2024Score 2/7Opp avg 1994Start 1933
11th Annual Washington International - Premier, 1855
Aug 2024Swissfederation source
#6 in 2024Score 5½/9Opp avg 1775Start 1933
29th Annual Bradley Open - Major, 2012
Jul 2024Swissfederation source
#2 in 2024Score 2½/5Opp avg 2012Start 1923
28th annual Bradley Open - Major, 2089
Jul 2023Swissfederation source
Best of 2023Score 4/5Opp avg 1849Start 1869
51st annual World Open - U2200, 1629
Jun – Jul 2023Swissfederation source
#4 in 2023Score 2½/5Opp avg 1629Start 1865
2nd annual World Open Amateur, 1929
Jun 2023Swissfederation source
#3 in 2023Score 4/6Opp avg 1804Start 1865
17th annual Philadelphia Open - Major, 1948
Jun 2023Swissfederation source
#2 in 2023Score 2½/5Opp avg 1948Start 1865
52nd annual Continental Open Under 2200, 1748
Jul 2022Swissfederation source
#7 in 2022Score 4/7Opp avg 1698Start 1945
27th annual Bradley Open Major, 1978
Jul 2022Swissfederation source
#2 in 2022Score 3½/5Opp avg 1829Start 1945
Marshall Premier July 2022, 2 rated games
Jul 2022Swissfederation source
Score 0/2Opp avg 1747Start 1945
50th Annual World Open - Open, 1938
Jun – Jul 2022Swissfederation source
#3 in 2022Score 3½/9Opp avg 2018Start 1893
2022 World Open Amateur, 1870
Jun 2022Swissfederation source
#5 in 2022Score 4½/6Opp avg 1721Start 1893
16th Annual Philadelphia Open - Major, 1928
Jun 2022Swissfederation source
#4 in 2022Score 3½/5Opp avg 1779Start 1893
2022 World Open Fide Under 2200, 1848
Jun 2022Swissfederation source
#6 in 2022Score 3½/5Opp avg 1753Start 1893
27th Annual Northeast Open - Major, 2110
Jun 2022Swissfederation source
Best of 2022Score 2/3Opp avg 1985Start 1893
26th Annual Northeast Open - Major, 2001
Nov 2021Swissfederation source
#2 in 2021Score 1/3Opp avg 2126Start 1879
2021 North American Youth Chess Championships - Open Under 18, 1807
Aug 2021Swissfederation source
#4 in 2021Score 4½/9Opp avg 2000Start 1918
26th Annual Bradley Open - Major, 2079
Jul 2021Swissfederation source
Best of 2021Score 3/5Opp avg 2007

Rated near Jack Klein · Classical

World

#=55223CM Alvaro Ruggiero1877.0
#=55223Luis Pedrini1877.0
#=55223Jack Klein1877.0
#=55223Daniel T Videna1877.0
#=55223Rafael Vega Gomez1877.0

United States

#=1517Harry Li1878.0
#=1522Andrew Flores1877.0
#=1522Jack Klein1877.0
#=1522Daniel T Videna1877.0
#=1522Arvin Agrawal1877.0

Live rating: FIDE’s November list plus every rated game played since. Not affiliated with FIDE.