James Jeffery

ENG · 10 yrs · K=40 · Peak 1737 (Aug 2026)

Best performance: 1949 at English Chess Challenge 2026 Final KS2 Boys (433990)(Best of 2026)

World #=99649 live35490#64,159 publishedEngland #1357

OCT26 Rating

1737

Live Rating

1639.4

Change

-97.6

Games Played

How live ratings are calculated

Rating History · Rapid

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Official rapid rating by month

List	Rating	Change
Oct 2026	1737	0
Sep 2026	1737	0
Aug 2026	1737	+21
Jul 2026	1716	+5
Jun 2026	1711	+26
May 2026	1685	+13
Apr 2026	1672	+21
Mar 2026	1651	+48
Feb 2026	1603	-90
Jan 2026	1693	+12
Dec 2025	1681	-41
Nov 2025	1722	+135

Rapid games since the October list

	Tournament	Score	Change	TPR	After
	2026 Delancey UKCC Challengers Under 10Oct 3 – Oct 4TPR 1421	4½/9	-97.6	1421	1639.4

Event timeline · Rapid

16 of 57 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.

2026 Delancey UKCC Challengers Under 10-97.6
Oct 2026Individualchess-results.com
#5 in 2026Score 4½/9TPR 1421Opp avg 1614Start 1737
Coulsdon Chess Junior Club GMAR C 6th July 2026 (487653)—(0)
Jul 2026Round robinfederation source
Score 6/6Start 1716
Coulsdon Chess Junior Club Championship - Level 4 and 5 - July—(1)
Jun 2026Swissfederation source
Score 0/1Opp avg 1544Start 1711
English Chess Challenge 2026 Final KS2 Boys (433990)1949
Jun 2026Swissfederation source
Best of 2026Score 6½/7Opp avg 1548Start 1711
Coulsdon Chess Junior Club Levels 4-5 June 2026 (478528)—(2)
Jun 2026Swissfederation source
Score 2/3Opp avg 1553Start 1711
English Chess Challenge Semi Final 2 Key Stage 2 Boys1853
Jun 2026Swisschess-results.com
#2 in 2026Score 6½/7Opp avg 1517Start 1711
Coulsdon Chess Junior Club Levels 4-5 May 2026 (478527)—(2)
May 2026Swissfederation source
Score 2/2Opp avg 1557Start 1685
Coulsdon Chess Junior Club Levels 4-5—(1)
Apr 2026Swissfederation source
Score 2/2Opp avg 1544Start 1672
Coulsdon Chess Junior Chess Club - ECC Qualifier Spring 2026 - March—(2)
Mar 2026Swissfederation source
Score 2/2Opp avg 1470Start 1651
Coulsdon Chess Junior Chess Club - ECC Qualifier Spring 2026 - February—(1)
Feb 2026Swissfederation source
Score 2/2Opp avg 1431Start 1603
Coulsdon Chess Junior Holiday Coaching and FIDE Rated Mini Tournament - 19 February—(2)
Feb 2026Swissfederation source
Score 6½/7Opp avg 1484Start 1603
Coulsdon Chess Junior Holiday Coaching and FIDE Rated Mini Tournament - 18 February—(2)
Feb 2026Swissfederation source
Score 7/7Opp avg 1575Start 1603
Coulsdon Chess ECC Qualifiers and JGP 2026 - 15 February - Main Event1580
Feb 2026Swissfederation source
#3 in 2026Score 4/7Opp avg 1580Start 1603
Coulsdon Chess Junior Chess Club - ECC Qualifier Spring 2026 - January—(1)
Jan 2026Swissfederation source
Score 1/2Opp avg 1488Start 1693
Coulsdon Chess ECC Qualifiers and JGP 2026 - 18 January - Main Event1427
Jan 2026Swissfederation source
#4 in 2026Score 5/7Opp avg 1552Start 1693
Coulsdon Chess Junior Club First Week Back Spring 2026 - 12 January Level 4and5—(2)
Jan 2026Swissfederation source
Score 2/3Opp avg 1529Start 1693

Recent opponents · Rapid

Mark Kerobyan Louis Smith Rory Dimitriu Jeremy Gu Jai Hrithvik Adithya Are Clara Deng Shivansh Singh Bhadoria Cheuk Hang Tsang Timothy Hsiu-Yao Hu

Rated near James Jeffery · Rapid

World

#=99649Elizaveta Chekalina1639.4
#=99649Yaryna Katsiuba1639.4
#=99649James Jeffery1639.4
#=99649Raul-Andrei Trancau1639.4
#=99649Amir Ali Ghanbari1639.4

England

#=1353Adiyy Loskor1640.0
#=1353Michael Celaya1640.0
#1357James Jeffery1639.4
#=1358Arth Prakash Sharma1639.0
#=1358Rayyan Mussa1639.0

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