Sejun Oh

KOR · 12 yrs · K=40 · Peak 1808 (Jul 2026)

Best performance: 1850 at 1st CHESSFREAK Tournament(Best of 2025)

World #=74474 live366#74,108 publishedSouth Korea #=96#9 U12 in South Korea

OCT26 Rating

1808

Live Rating

1808.0

Change

0.0

Games Played

Rating History · Classical

Loading chart…

Classical games since the October list

No rated standard games this rating periodsince the OCT26 list (Oct 1, 2026)

	Last played	Score	TPR
	33rd Korea Chess League Div2 Round 9-10Mar 7 – May 30	2/2	—

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

Event timeline · Classical

28 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.

33rd Korea Chess League Div2 Round 9-10—(2)
Mar – May 2026Teamfederation source
Score 2/2Opp avg 1654Start 1792
33rd Korea Chess League Div2 Round 7-8—(2)
Mar – May 2026Teamfederation source
Score 1/2Opp avg 1715Start 1792
33rd Korea Chess League Division 1 Round 5-6—(2)
Mar – Apr 2026Teamfederation source
Score 1/2Opp avg 1735Start 1792
33rd Korea Chess League Div2 Round 3-4—(2)
Mar 2026Teamfederation source
Score 1/2Opp avg 1677Start 1792
33rd Korea Chess League Div2 Round 1-2—(2)
Mar 2026Teamfederation source
Score 1½/2Opp avg 1679Start 1792
99th Hastings International Chess Congress - Weekend Open1756
Jan 2026Swissfederation source
#2 in 2026Score 2½/5Opp avg 1756Start 1727
99th Hastings International Chess Congress - Masters1844
Dec 2025 – Jan 2026Swissfederation source
Best of 2026Score 3/9Opp avg 1969Start 1694
32nd Club League Division 3A Round 5-6—(2)
Aug – Dec 2025Teamfederation source
Score 2/2Opp avg 1607Start 1685
32nd Club League Division 3A Round 3-4—(2)
Aug – Nov 2025Teamfederation source
Score ½/2Opp avg 1627Start 1685
1st CHESSFREAK Tournament1850
Oct 2025Swissfederation source
Best of 2025Score 3½/6Opp avg 1755Start 1705
32nd Club League Division 3A Round 1-2—(2)
Aug 2025Teamfederation source
Score 1½/2Opp avg 1679Start 1685
31th Club League Major 3 Rounds 5-6—(2)
Apr – May 2025Teamfederation source
Score 1/2Opp avg 1787Start 1655
31th Club League Major 2 Rounds 3-4—(2)
Apr 2025Teamfederation source
Score ½/2Opp avg 1875Start 1655
31th Club League Major 2 Rounds 1-2—(1)
Apr 2025Teamfederation source
Score 2/2Opp avg 1614Start 1655
2025 Korea Youth Championship U121599
Feb 2025Swissfederation source
#2 in 2025Score 4/7Opp avg 1599Start 1681
30th KLUB League Major D2 Round 5-6—(2)
Oct – Nov 2024Teamfederation source
Score 1/2Opp avg 1509Start 1688
30th KLUB League Major D3 Round 3-4—(2)
Oct 2024Teamfederation source
Score 1/2Opp avg 1670Start 1688
30th KLUB League Major D2 Round 1-2—(2)
Oct 2024Teamfederation source
Score 1½/2Opp avg 1632Start 1688
2024 World Youth Qualifier - U101736
Jun 2024Swissfederation source
#2 in 2024Score 5/7Opp avg 1578Start 1693
13th LSH Tournament1829
May 2024Swissfederation source
Best of 2024Score 5/6Opp avg 1589Start 1602
29th KLUB League Major D1 3—(2)
Apr – May 2024Teamfederation source
Score 1/2Opp avg 1683Start 1635
29th KLUB League Major D1 1-21474
Apr 2024Teamfederation source
#3 in 2024Score 1/4Opp avg 1667Start 1635
15th Playwell Tournament, Dec. 2023—(2)
Dec 2023Swissfederation source
Score 4/6Opp avg 1043Start 1384
2023 LSH 9th1350
Dec 2023Swissfederation source
#2 in 2023Score 4/6Opp avg 1201Start 1384
28th Klub Major Div2 R3—(1)
Sep – Nov 2023Teamfederation source
Score 2/2Opp avg 1131Start 1321

Rated near Sejun Oh · Classical

World

#=74474Arthur Rudolf1808.0
#=74474Frank Holzgrewe1808.0
#=74474Sejun Oh1808.0
#=74474Yongsu Han1808.0
#=74474Rolf Steinmann1808.0

South Korea

#=94Mingeon Kim1809.0
#=94Joohwan Kwak1809.0
#=96Sejun Oh1808.0
#=96Yongsu Han1808.0
#98Gibeom Seok1807.0

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