CChessStats

2026 Korea National Championship - Men

Open SwissStandard

62 players participated in this 7-round tournament, held from 27 Feb 2026 to 02 Mar 2026 in Seoul, South Korea. 6 titled players. Top 10 Elo average was 2156, and top seed was Junhyeok Lee (🇰🇷 KOR, IM, 2401).

Junhyeok Lee (🇰🇷 KOR, IM, 2401) won with 6.5/7, ahead of Hongjin Ahn (6.0) and Isaak Huh (6.0). Lee won solo starting round 5.

The biggest upset came in round 1: Kaviinayan Meiyazhagan (1785) beat Hungi Yun (FM, 2262), a +477-point gap.

Location
🇰🇷Seoul, South Korea
Dates
27 Feb 2026 → 02 Mar 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Top seed
🇰🇷IMJunhyeok Lee2401
Avg top 10
2,156
Participants
62
Titled players · 6
IM×2
FM×2
CM×2
Federations · 1 represented
🇰🇷South Korea×62
Top 3
  • 🥇
    🇰🇷KOR·2401
    6.5pts·2545perf+8.2
  • 🥈
    🇰🇷KOR·2314
    6.0pts·2406perf+16.6
  • 🥉
    🇰🇷KOR·2073
    6.0pts·2241perf+52.0

How it unfolded

Top 6 · 7 rounds

IM Junhyeok Lee led from R5; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders
25
9
4
2
1
1
1
23.55.57R1R2R3R4R5R6R7
R5–R7 · LEAD HELD

IM Junhyeok Lee held the sole lead from R5 through R7 without losing it.

R6 · HEAD-TO-HEAD · WINNER VS 2ND

IM Junhyeok Lee drew with CM Isaak Huh (Black).

WIN STREAKS · 3 top finishers

IM Junhyeok Lee 5 wins (R1–R5)CM Isaak Huh 4 wins (R2–R5)IM Hongjin Ahn 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1IMJunhyeok Lee*
½
1
—
2CMIsaak Huh
½
*——
3IMHongjin Ahn
0
—*—
4James Edward Turnbull———*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Lee, JunhyeokIM2401KOR+52B+22N+18B+16N+2B=3N+4B6.529.031.028.002545+8.2
2Ahn, HongjinIM2314KOR+36N+10B+6N+4B−1N+7B+16B6.030.033.026.502406+16.6
3Huh, IsaakCM2073KOR=54N+58B+35N+29B+5N=1B+14B6.024.526.021.752241+52.0
4Kwon, SehyunFM2289KOR+45B+21N+40B−2N+17B+11N−1N5.028.030.518.002204-6.0
5Fruit, Joel Pierce1972KOR+24B=17N+41B+13N−3B+23N=12B5.027.030.019.752054+17.8
6RV, Adith1946KOR+25N+31B−2B+21N+12B−16N+22B5.026.530.020.002124+31.8
7Noh, Jinwoo2035KOR=9B+61N+42B=17N+18B−2N+20B5.025.526.516.252022+2.8
8Turnbull, James Edward1914KOR=46B=9N+37B+52N−16B+24N+19B5.022.024.016.501961+9.4
9Byun, Junseok1715KOR=7N=8B−10N+33N+21B=26B+31N4.526.029.518.001942+82.4
10Lee, Jiwoo1863KOR+62B−2N+9B−12N+53B+32N=11B4.525.026.013.251997+44.0
11Lee, Younggyu2021KOR+39N=35B=29N+28B+19N−4B=10N4.524.027.016.502004-3.2
12Yun, HungiFM2262KOR−30N+43B+36N+10B−6N+38B=5N4.524.027.016.001991-36.0
13Li, Georgiy1993KOR+53N+34B+19N−5B−20N+36B=15N4.524.026.014.751939-8.0
14Kim, InguhCM1940KOR−17B+46N+45B=38N+48B+20B−3N4.522.024.513.001935+1.4
15Song, Jihu1843KOR−61B=32N+46B+27N=38B+17N=13B4.521.522.516.001810-6.3
16Rentsen, Erdenetulga2179KORF+28B+20N−1B+8N+6B−2N4.030.533.518.002178+2.6
17Lee, Yugeon1663KOR+14N=5B+26N=7B−4N−15B+36N4.028.031.016.502001+112.4
18Park, Sihoo1959KOR+43N+30B−1N+34B−7N−19B+37N4.025.528.513.001946-6.8
19Kim, Junho C1818KOR+49N+26B−13B+40N−11B+18N−8N4.025.027.513.501940+50.4
20Hong, Juwon1899KOR+44N+56B−16B+30N+13B−14N−7N4.024.526.513.001926+9.2
21Kim, Taewoo A1842KOR+33N−4B+31N−6B−9N+41B+56N4.024.526.512.001797-8.6
22Park, Jinwoo A1845KOR+57N−1B−30N+43B+37N+34B−6N4.024.526.511.501884+12.0
23Ahn, Sungmin1932KOR−31N=25B+58N+50B+35N−5B=27N4.022.023.511.001779-24.0
24Hur, Jiyu1700KOR−5N−48B+57N+56B+28N−8B+38N4.021.523.511.001846+32.5
25Yan, Nikita1674KOR−6B=23N−47B+49N+50N+35B=26N4.021.023.512.001855+57.1
26Kim, Yubin1996KOR+47B−19N−17B+55N+52B=9N=25B4.021.023.010.751762-72.8
27Hong, Seungpyo1571KOR−35N=39B+54N−15B+47N+29B=23B4.020.522.511.501869+102.8
28Hong, Joohyuk1846KOR+55B−16N+59B−11N−24B+53N+39B4.019.521.08.501819-6.8
29Cho, Hyunyou1955KOR+32B=41N=11B−3N=30B−27N+45B3.524.527.011.501796-52.0
30Meiyazhagan, Kaviinayan1785KOR+12B−18N+22B−20B=29N=40N=33B3.523.526.513.501905+35.4
31Bae, Jaemin1653KOR+23B−6N−21B=45N+46B+48N−9B3.522.525.010.251828+61.6
32Kim, Kwansoo1676KOR−29N=15B+39N=42N+45B−10B=34N3.522.024.511.001835+28.8
33Kwak, Jeonghwan1576KOR−21B−37N+44N−9B+43N+54B=30N3.521.023.09.751739+59.6
34Joo, Eram1818KOR+59B−13N+61B−18N+40B−22N=32B3.520.521.57.251779-10.4
35Kim, Taewoo1831KOR+27B=11N−3B+41N−23B−25N=40B3.025.528.510.751784-18.4
36Lee, Eoram1809KOR−2B+62N−12B+61N+42B−13N−17B3.023.024.05.001827-2.3
37Park, Jihoon B1761KORF+33B−8N+59N−22B+55N−18B3.022.524.07.001727-8.8
38Jang, Seojun1830KOR−60N+51B+56N=14B=15N−12N−24B3.022.023.59.001694-46.0
39Kim, Heeyou1715KOR−11B=27N−32B+58N=41B+42N−28N3.022.023.58.001698-9.2
40Kim, Yegeon1918KOR+51N+60B−4N−19B−34N=30B=35N3.021.523.07.251771-48.7
41Lee, Joowon1650KOR+48N=29B−5N−35B=39N−21N+52B3.021.023.07.751815+54.4
42Seo, Juwon1862KOR=58N+54B−7N=32B−36N−39B+50N3.019.020.57.001719-53.6
43Jang, Junyoung1699KOR−18B−12N+62B−22N−33B+61N+55B3.019.020.04.001703-2.8
44Kim, Jaeha1625KOR−20B−52N−33B+57N=59B=47N+53B3.016.017.56.001631-0.4
45Lee, Jeongyeon1792KOR−4N+57B−14N=31B−32N+49B−29N2.522.524.56.251673-46.8
46Lee, Junseo1642KOR=8N−14B−15N=54B−31N+57B=47B2.522.024.06.751668+4.0
47Kwak, Joohwan1710KOR−26N=49B+25N−48N−27B=44B=46N2.520.022.58.001593-44.5
48Yang, Dongwoo1929KOR−41B+24N=50N+47B−14N−31BF2.520.020.07.751683-76.0
49Seo, Pureum1428KOR−19B=47N−53B−25B+51N−45N+58B2.517.519.05.251606+52.4
50Sung, Jaehyun1792KORF+55N=48B−23N−25B+59N−42B2.517.017.04.751687-16.4
51Yoon, Sungtak1644KOR−40B−38N−55B=62N−49B+60B+59N2.513.514.53.501530-46.0
52Gim, Hajin1811KOR−1N+44B+60N−8B−26N−56B−41N2.023.525.04.501702-38.4
53Jeon, Inseo1705KOR−13B−59N+49N+60B−10N−28B−44N2.020.021.54.001527-66.8
54Park, Kun1748KOR=3B−42N−27B=46N+61B−33NF2.020.020.05.251593-26.0
55Park, Junhyeok1592KOR−28N−50B+51N−26B+60N−37B−43N2.019.020.54.001597-2.4
56Yang, Hojun0KORF−20N−38B−24N+58B+52N−21B2.018.518.53.5016570.0
57Choi, Jungwoon1589KOR−22B−45N−24B−44B+62N−46N+61B2.017.018.02.001529-21.0
58Park, Chabeen1612KOR=42B−3N−23B−39B−56N+62B−49N1.520.521.52.501569-19.2
59Lee, Yoonsoo1483KOR−34N+53B−28N−37B=44N−50B−51B1.518.520.53.501511+6.8
60Noh, Sunwoo1562KOR+38B−40N−52B−53N−55B−51N=62B1.514.515.53.501501-22.4
61Hwang, Siwoo1584KOR+15N−7B−34N−36B−54N−43B−57N1.021.023.04.501474-30.4
62Lee, David J1623KOR−10N−36B−43N=51B−57B−58N=60N1.016.518.02.001373-79.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
2026 Korea National Championship - Men — Seoul, South Korea | Chess Tournament Results | ChessStats