Gary C Jackson

ENG · 52 yrs · K=20 · Peak 1942 (Nov 2026)

Best performance: 2249 at Scarborough Congress and Club Championship 2026 - Challengers U2050(Best of 2026)

World #=40693 live2030#38,663 publishedEngland #655

NOV26 Rating

1942

Live Rating

1935.4

Change

-6.6

Games Played

How live ratings are calculated

Rating History · Classical

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Official classical rating by month

List	Rating	Change
Nov 2026	1942	+37
Oct 2026	1905	0
Sep 2026	1905	0
Aug 2026	1905	0
Jul 2026	1905	0
Jun 2026	1905	0
May 2026	1905	0
Apr 2026	1905	0
Mar 2026	1905	0
Feb 2026	1905	0
Jan 2026	1905	0
Dec 2025	1905	0

Form · Classical

oldest → latest

Longest unbeaten run in 2026: 6 games, Oct 23 – Oct 31.

From 137 classical games on record, the latest on Oct 31.

Classical games since the November list

	Tournament	Score	Change	TPR	After
	Witney Congress 2026 \| MajorOct 31 – Nov 1TPR 1779	1/3	-6.6	1779	1935.4

Best wins · Classical

From 119 rated classical games against rated opponents, 2010–2026

#	Opponent	Rating
1,	CM Manuel Perez Carballo, Nov 2011 · 4NCL	, 2157
2,	James J Foster, May 2013 · 4NCL 2012-13	, 2081
3,	Robert P Taylor, Mar 2010 · Four Nations Chess League (4NCL)	, 1978
4,	Jack Erskine-Pereira, Oct 2026 · Scarborough Congress and Club Championship 2026 - Challengers U2050	, 1974
5,	Edouardos Ter Gevorkian, Oct 2026 · Scarborough Congress and Club Championship 2026 - Challengers U2050	, 1933
6,	Bernard J Charnley, Mar 2018 · Warwickshire Under 1975 2018	, 1918
7,	R Nigel Livesey, Feb 2015 · 1st 4NCL Congress Major (Under 2000)	, 1895
8,	Oliver Graham, Mar 2024 · 4th 4NCL Easter Congress Under 2000	, 1884
9,	Srimathi R, Feb 2024 · 2024 Coventry Open Under 2000	, 1882
10,	Paul Rowan, Aug 2017 · 2017 Midland Championship Major	, 1881

#	Opponent	Overall	Rating
1,	FM A Tyson Mordue, Highest-rated meeting: Nov 2012 · 4NCL 2012-13	, 0/1	, 2256
2,	Ben Ogunshola, Highest-rated meeting: Jan 2019 · 2018/19 4NCL Div 4 Rounds 3 - 4	, 0/2	, 2187
3,	Roger G Williamson, Highest-rated meeting: Mar 2013 · 4NCL 2012-13	, 0/1	, 2177
4,	CM Manuel Perez Carballo, Highest-rated meeting: Nov 2011 · 4NCL	, 1/1	, 2157
5,	James J Foster, Highest-rated meeting: May 2013 · 4NCL 2012-13	, 1/1	, 2081
5,	Graham Lilley, Highest-rated meeting: Nov 2010 · 4NCL 2011	, ½/1	, 2081
7,	David M Cooper, Highest-rated meeting: Jan 2011 · 4NCL 2011	, ½/1	, 2073
8,	Ian P Ponter, Highest-rated meeting: Jan 2010 · Four Nations Chess League (4NCL)	, 0/1	, 2046
9,	Alex B Combie, Highest-rated meeting: Feb 2015 · 4NCL 2014-15 Rounds 5-6	, 0/1	, 2043
10,	Kevin Hurney, Highest-rated meeting: Jan 2013 · 4NCL 2012-13	, 0/1	, 2040

Openings · Classical

From the moves of 97 of 137 classical games on record.

As WhiteOpens 1.e4 in 50 of 50 games.

As BlackMeets 1.e4 with 1...c5, and 1.d4 with 1...d5.

All openings (6 as White, 4 as Black)

Openings in White games	Games	Score
Sicilian Defense	15	53%
Caro-Kann Defense	8	31%
Ruy Lopez	8	50%
French Defense	7	50%
Scandinavian Defense	4	25%
Pirc Defense	3	67%

5 more games in openings played fewer than 3 times.

Against 1.e4: 1...c5 in 31.

Against 1.d4: 1...d5 in 10.

Against 1.c4: 1...c5 in 6.

Openings in Black games	Games	Score
Sicilian Defense	31	52%
English Opening	6	75%
Queen's Pawn Game	5	70%
Slav Defense	3	67%

2 more games in openings played fewer than 3 times.

Event timeline · Classical

45 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	7	5½	1853	2083
2025	7	5½	1795	2025
2024	13	8½	1775	1885
2023	10	5	1701	1701
2022	6	3½	1779	1836
2021	5	3½	1647	1796
2020	6	3	1750	1750
2019	4	0	1886	1086
2018	3	1½	1750	1750
2017	9	5	1750	1793
2016	4	2	1662	1662
2015	11	4	1900	1798
2014	6	2½	1897	1840
2012	2	0	2066	—
2011	5	2½	1949	1949
2010	6	2½	1973	1916

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

Witney Congress 2026 | Major-6.6
Oct – Nov 2026Individuallichess
Score 1/3Opp avg 1779Start 1905
Scarborough Congress and Club Championship 2026 - Challengers U20502249
Oct 2026Swissfederation source
Best of 2026Score 4½/5Opp avg 1883Start 1905
5th 4NCL Easter Congress Under 20002025
Apr 2025Swissfederation source
Best of 2025Score 5½/7Opp avg 1795Start 1881
4th 4NCL Easter Congress Under 20002095
Mar – Apr 2024Swissfederation source
Best of 2024Score 6/7Opp avg 1822Start 1864
2023-24 4NCL Division 3 Bishops Rounds 7-8—(1)
Mar 2024Teamfederation source
Score 0/1Opp avg 1928Start 1864
2023-24 4NCL Division 4 Rounds 7-8—(1)
Mar 2024Teamfederation source
Score 0/1Opp avg 1960Start 1864
2024 Coventry Open Under 20001801
Feb 2024Swissfederation source
#2 in 2024Score 3½/5Opp avg 1652Start 1768
2023-24 4NCL Division 4 Rounds 5-6—(0)
Feb 2024Teamfederation source
Score 1/1Start 1768
2022/23 4NCL Division 4 Rounds 9-11—(1)
Apr – May 2023Teamfederation source
Score 1/1Opp avg 1834Start 1773
2022/23 4NCL Division 3 West Rounds 9-11—(1)
Apr – May 2023Teamfederation source
Score ½/1Opp avg 1765Start 1773
3rd 4NCL Easter Congress Under 20001660
Apr 2023Swissfederation source
Best of 2023Score 3½/6Opp avg 1603Start 1773
2022/23 4NCL Division 3 West Rounds 7-8—(1)
Mar 2023Teamfederation source
Score 0/1Opp avg 1817Start 1782
2022/23 4NCL Division 3 West Rounds 3-4—(1)
Jan 2023Teamfederation source
Score 0/1Opp avg 1973Start 1787
2022/23 4NCL Division 3 West Rounds 1-2—(1)
Oct 2022Teamfederation source
Score 0/1Opp avg 1942Start 1774
59th Hull Congress Major2031
Oct 2022Swissfederation source
Best of 2022Score 3½/5Opp avg 1758Start 1774
2nd 4NCL Easter Congress Major—(2)
Apr 2022Swissfederation source
Score 1/4Opp avg 1728Start 1776
26th 4NCL Congress Major1796
Sep 2021Swissfederation source
Best of 2021Score 3½/5Opp avg 1647Start 1771
Warwickshire U1975 Chess Championships 20201812
Feb 2020Swissfederation source
Best of 2020Score 3/5Opp avg 1740Start 1775
2019/20 4NCL Div 4 Rounds 5 - 6—(1)
Feb 2020Teamfederation source
Score 0/1Opp avg 1803Start 1775
2019/20 4NCL Div 4 Rounds 1 - 2—(1)
Nov 2019Teamfederation source
Score ½/2Opp avg 1989Start 1780
2018/19 4NCL Div 4 Rounds 9 - 11—(1)
May 2019Teamfederation source
Score 0/1Opp avg 1580Start 1795
2018/19 4NCL Div 4 Rounds 5 - 6—(1)
Feb 2019Teamfederation source
Score 0/1Opp avg 1788Start 1805
2018/19 4NCL Div 4 Rounds 3 - 4—(1)
Jan 2019Teamfederation source
Score 0/1Opp avg 2187Start 1807
2018/19 4NCL Div 4 Rounds 1 - 2—(1)
Nov 2018Teamfederation source
Score ½/1Opp avg 1472Start 1815
Warwickshire Under 1975 2018—(2)
Mar 2018Swissfederation source
Score 1½/3Opp avg 1889Start 1811

Recent opponents · Classical

Cyril Foster Carolus Tang David Robson

Rated near Gary C Jackson · Classical

World

#=40693Ishaan Kandi1935.4
#=40693Hristos Haritos1935.4
#=40693Gary C Jackson1935.4
#=40693Konstantinos Dermatopoulos1935.4
#=40693Nedjo Radic1935.4

England

#=653Devan Patel1936.0
#=653Aayush Dewangan1936.0
#655Gary C Jackson1935.4
#=656Charlie Pearson1935.0
#=656Peter J E Ackley1935.0

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