Yongjoon Chon

KOR · 25 yrs · K=20 · Peak 2025 (Sep 2016)

Best performance: 2260 at 25. NordWest-Cup Open A(Best of 2024)

World #=28734 live342#28,392 publishedSouth Korea #18

NOV26 Rating

1996

Live Rating

1996.0

Change

0.0

Games Played

How live ratings are calculated

Rating History · Classical

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Official classical rating by month

List	Rating	Change
Nov 2026	1996	0
Oct 2026	1996	0
Sep 2026	1996	0
Aug 2026	1996	0
Jul 2026	1996	0
Jun 2026	1996	0
May 2026	1996	0
Apr 2026	1996	0
Mar 2026	1996	0
Feb 2026	1996	0
Jan 2026	1996	-7
Dec 2025	2003	0

Form · Classical

oldest → latest

Unbeaten in the last 4 games (2 wins, 2 draws), since Dec 26, 2025.

From 411 classical games on record, the latest on Dec 29, 2025.

Classical games since the November list

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

	Last played	Score	TPR
	Hong Kong International Open 2025Dec 23, 2025 – Dec 29, 2025TPR 1991	4½/9	1991

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

Best wins · Classical

From 360 rated classical games against rated opponents, 2012–2025

#	Opponent	Rating
1,	CM Justus Bargsten, Jan 2024 · 25. NordWest-Cup Open A	, 2216
2,	IM Junhyeok Lee, Nov 2015 · 15th Korea Club League Div1	, 2214
3,	Evgeny Okun, Jul 2016 · CZECH OPEN 2016 - A - GM open	, 2207
4,	Bartlomiej Rozycki, Feb 2016 · Chess Open Graz 2016- A Group	, 2198
5,	WFM Roza Eynula, Sep 2017 · 19th Korea Club League Div 1	, 2175
6,	Yunseo Kim, Nov 2021 · 24th Klub League Major	, 2157
7,	Lorenzo Cocconcelli, Jul 2016 · CZECH OPEN 2016 - A - GM open	, 2144
8,	Joachim Beisteiner, Jan 2024 · MARIENBAD OPEN 2024 C - FIDE open	, 2113
9,	Andreas Wieser, Feb 2016 · Chess Open Graz 2016- A Group	, 2106
10,	IM Jacek Stachanczyk, Aug 2024 · OLOMOUC CHESS SUMMER 2024 - C	, 2091

#	Opponent	Overall	Rating
1,	GM Cristhian Cruz, Highest-rated meeting: Sep 2016 · 42nd World Chess Olympiad, Open, 2016	, 0/1	, 2519
2,	IM Haochen Jiang, Highest-rated meeting: Dec 2025 · Hong Kong International Open 2025	, 0/1	, 2459
3,	IM Vilka Sipila, Highest-rated meeting: Sep 2016 · 42nd World Chess Olympiad, Open, 2016	, ½/1	, 2448
4,	GM Leonid Milov, Highest-rated meeting: Jan 2024 · 25. NordWest-Cup Open A	, ½/1	, 2422
5,	IM Md Minhaz Uddin, Highest-rated meeting: Sep 2016 · 42nd World Chess Olympiad, Open, 2016	, 0/1	, 2413
6,	IM Junhyeok Lee, Highest-rated meeting: Dec 2021 · 2021 National Championship Men	, 1/14	, 2399
7,	IM Leonardo Valdes Romero, Highest-rated meeting: Sep 2016 · 42nd World Chess Olympiad, Open, 2016	, 0/1	, 2387
8,	IM Tsogbayar Baterdene, Highest-rated meeting: Aug 2016 · East Asian Youth Chess Championship 2016 U16	, 0/1	, 2327
9,	FM Thomas Hoefelsauer, Highest-rated meeting: Feb 2016 · Chess Open Graz 2016- A Group	, 0/1	, 2314
10,	IM Hongjin Ahn, Highest-rated meeting: Dec 2021 · 2021 National Championship Men	, 1/11	, 2313

Openings · Classical

From the moves of 24 of 411 classical games on record.

As WhiteOpens 1.e4 in 7 of 9 games.

As BlackMeets 1.d4 with 1...Nf6, and 1.e4 with 1...c5.

All openings (2 as Black)

Against 1.d4: 1...Nf6 in 3.

Against 1.e4: 1...c5 in 3.

Openings in Black games	Games	Score
King's Indian Defense	5	10%
Sicilian Defense	3	50%

7 more games in openings played fewer than 3 times.

Event timeline · Classical

50 of 56 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	9	4½	1991	1991
2024	45	26	1993	2050
2022	8	5½	1725	1866
2021	22	7½	1932	1815
2019	2	1	1835	—
2018	5	1½	1940	1791
2017	30	18	1752	1824
2016	74	37	1975	1975
2015	43	25	1782	1839
2014	47	20	1704	1654
2013	58	23	1615	1543
2012	17	4	1527	1325

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

Hong Kong International Open 20251991
Dec 2025Swissfederation source
Best of 2025Score 4½/9Opp avg 1991Start 2003
OLOMOUC CHESS SUMMER 2024 - C2074
Aug 2024Swissfederation source
#3 in 2024Score 6½/9Opp avg 1908Start 1975
SUMMER PRAGUE OPEN 2024 - A - IM open—(2)
Aug 2024Swissfederation source
Score 1/3Opp avg 2003Start 1975
CZECH OPEN 2024 - A - GM open1814
Jul 2024Swissfederation source
#5 in 2024Score 2/9Opp avg 2034Start 2023
Basel General Open 2024—(0)
Feb 2024Swissfederation source
Score ½/2Start 2023
25. NordWest-Cup Open A2260
Jan 2024Swissfederation source
Best of 2024Score 4/7Opp avg 2210Start 1843
MARIENBAD OPEN 2024 C - FIDE open2088
Jan 2024Swissfederation source
#2 in 2024Score 6½/9Opp avg 1922Start 1843
PRAGUE OPEN 2024 A - IM open2059
Jan 2024Swissfederation source
#4 in 2024Score 6/9Opp avg 1934Start 1843
25th Klub League Major R 1-2—(2)
Mar 2022Teamfederation source
Score 1½/2Opp avg 1501Start 1848
2022 Korea National Championship - Men1924
Feb 2022Swissfederation source
Best of 2022Score 5/7Opp avg 1799Start 1824
2021 National Championship Men1905
Dec 2021Swissfederation source
Best of 2021Score 4/7Opp avg 1905Start 1849
Korea Masters 20211320
Dec 2021Round robinfederation source
Score 0/7Opp avg 2120Start 1849
Korea Masters Challengers 20211797
Nov 2021Swissfederation source
#3 in 2021Score 4/6Opp avg 1725Start 1857
24th Klub League Major1816
Nov 2021Teamfederation source
#2 in 2021Score 1½/4Opp avg 1903Start 1857
23rd Club Korea League Div 1 R5—(2)
Nov 2019Teamfederation source
Score 1/2Opp avg 1835Start 1859
23rd Club Korea League Div 1 Round 3—(2)
Nov 2018Teamfederation source
Score 0/2Opp avg 2073Start 1879
20th Korea Club League D11852
Mar – May 2018Teamfederation source
Best of 2018Score 1½/3Opp avg 1852Start 1884
19th Korea Club League Div 12022
Sep – Nov 2017Teamfederation source
Best of 2017Score 3/4Opp avg 1829Start 1850
18th K Club League Div 11824
Mar – Jun 2017Teamfederation source
#3 in 2017Score 3½/7Opp avg 1824Start 1915
2017 National Youth Championship U181683
May 2017Swissfederation source
#5 in 2017Score 4/6Opp avg 1558Start 1915
2017 Youth Selection U181708
Feb 2017Swissfederation source
#4 in 2017Score 4/6Opp avg 1583Start 1963
2017 National Championship - Men1948
Jan 2017Swissfederation source
#2 in 2017Score 3½/7Opp avg 1948Start 1969
17th K Club League Div11902
Oct – Dec 2016Teamfederation source
#6 in 2016Score 5/10Opp avg 1902Start 2024
42nd World Chess Olympiad, Open, 20162074
Sep 2016Swissfederation source
#3 in 2016Score 2/8Opp avg 2267Start 2025
East Asian Youth Chess Championship 2016 U162002
Aug 2016Swissfederation source
#5 in 2016Score 5½/9Opp avg 1959Start 1938

Rated near Yongjoon Chon · Classical

World

#=28734Alexander Schneider1996.0
#=28734Jean-Manuel Segura1996.0
#=28734Yongjoon Chon1996.0
#=28734Farhad Farhadli1996.0
#=28734Umid Nazarov1996.0

South Korea

#=15WCM Jooyeon Kim2007.0
#17Hyo Lee2000.0
#18Yongjoon Chon1996.0
#19Hayul Lim1992.0
#20Daniel Feigin1989.8

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