CChessStats

2026 Korea Youth Championship U10

Open SwissStandard

48 players participated in this 7-round tournament, held from 04 Feb 2026 to 07 Feb 2026 in Seongnam, South Korea. Top 10 Elo average was 1645, and top seed was Kaviinayan Meiyazhagan (πŸ‡°πŸ‡· KOR, 1786).

Jinwoo Lee (πŸ‡°πŸ‡· KOR, 1711) won with 7.0/7, ahead of Kaviinayan Meiyazhagan (5.5) and Joohwan Kwak (5.5). Lee won solo starting round 5.

The biggest upset came in round 2: Rian Kim (1515) beat Joohwan Kwak (1711), a +196-point gap.

Location
πŸ‡°πŸ‡·Seongnam, South Korea
Dates
04 Feb 2026 β†’ 07 Feb 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss Β· 7 rounds
Top seed
πŸ‡°πŸ‡·Kaviinayan Meiyazhagan1786
Avg top 10
1,645
Participants
48
Federations Β· 1 represented
πŸ‡°πŸ‡·South KoreaΓ—41
Top 3

How it unfolded

Top 6 Β· 7 rounds

Jinwoo Lee led from R5; +1.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders
21
9
4
2
1
1
1
23.55.57R1R2R3R4R5R6R7
Lee7Meiyazhagan5.5Kwak5.5Lee5Kim5Lee5
R5–R7 Β· LEAD HELD

Jinwoo Lee never relinquished the lead after R5; final gap +1.5 over the runner-up.

R5 Β· HEAD-TO-HEAD Β· WINNER VS 2ND

Jinwoo Lee beat Kaviinayan Meiyazhagan (Black).

WIN STREAKS Β· 3 top finishers

Jinwoo Lee 7 wins (R1–R7)Kaviinayan Meiyazhagan 4 wins (R1–R4)Joohwan Kwak 4 wins (R3–R6)

Key matchups Β· top 4

Head-to-head between the four finishers
Player1234
1Jinwoo Lee*
1
β€”
1
2Kaviinayan Meiyazhagan
0
*β€”β€”
3Joohwan Kwakβ€”β€”*β€”
4Taeoh Lee
0
β€”β€”*

Grille amΓ©ricaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΞ”
1Lee, Jinwoo1711KOR+48B+17N+24B+4N+2N+6B+7N7.028.028.028.002370+64.8
2Meiyazhagan, Kaviinayan1786KOR+30B+13N+14B+12Nβˆ’1B=5N+9B5.528.531.522.001804+7.6
3Kwak, Joohwan1711KOR+20Nβˆ’4B+38N+23N+14B+10B=6N5.526.028.521.001717+3.2
4Kim, Rian1515KOR+44B+3N+5Bβˆ’1Bβˆ’10N+12N+13B5.030.032.020.501758+85.2
5Lee, David J1623KOR+39N+18Bβˆ’4N+11B+13N=2B=10N5.027.530.020.001687+19.6
6Son, Haseong1579KOR+43B=23N+27B+9N+12Bβˆ’1N=3B5.027.529.518.001686+28.8
7Lee, Taeoh0KORβˆ’8N+41B+18N+31B+15B+23Nβˆ’1B5.026.528.516.5015760.0
8Kim, Siwon1482KOR+7Bβˆ’12N+28Bβˆ’15N+33B+14N+16B5.024.027.019.001557+16.0
9Hwang, Siwoo1589KOR=27N+25B+16Nβˆ’6B+29N+19Bβˆ’2N4.525.028.016.001642+16.0
10Kim, Jaeha1623KORβˆ’38B+33N+30B+24N+4Bβˆ’3N=5B4.525.027.517.001703+22.0
11Kyeong, Soohyun1490KORβˆ’40N+37B+34Nβˆ’5N=39B+27N+24B4.520.022.013.751579+10.0
12Lee, Jeongwoo B1631KOR+41N+8B+21Nβˆ’2Bβˆ’6Nβˆ’4B+30N4.027.529.514.001557-27.6
13Lee, Juwon A1478KOR+42Nβˆ’2B+40N+21Bβˆ’5B+15Nβˆ’4N4.025.527.512.001540+11.2
14Cho, Haedeun1558KOR+45N+38Bβˆ’2N+16Bβˆ’3Nβˆ’8B+29N4.025.527.511.501414-29.6
15Jang, Minki1583KOR+47Nβˆ’16B+20N+8Bβˆ’7Nβˆ’13B+23B4.025.526.513.501536-10.8
16Jea, Daeul1450KOR+36B+15Nβˆ’9Bβˆ’14N+21N+31Bβˆ’8N4.024.527.514.001553+32.8
17Park, Kangmin1461KOR+34Nβˆ’1B=26Nβˆ’29B+42N+25B=18N4.024.026.012.251538+12.0
18Shin, Hyeonseo1475KOR+35Bβˆ’5Nβˆ’7B+47N+28B=24N=17B4.023.524.510.751414-12.4
19Shin, Seojun1611KOR=22B+28Nβˆ’23B+36N=27Bβˆ’9N+34B4.021.024.012.50706-51.2
20Cho, Jungbin1400KORβˆ’3B+44Nβˆ’15Bβˆ’28N+38B+33N+32B4.021.023.010.501448-4.0
21Choi, Jungwoon1586KOR+46B+32Nβˆ’12Bβˆ’13Nβˆ’16B+39N+28B4.020.522.010.001312-57.6
22Jang, Jaehun0KOR=19Nβˆ’27Bβˆ’25N+45B+26N=29B+31N4.020.022.012.0015200.0
23Seo, Pureum1428KOR+29N=6B+19Nβˆ’3B+25Nβˆ’7Bβˆ’15N3.527.030.013.001579+38.8
24Park, Jaemin A1525KOR+37N+40Bβˆ’1Nβˆ’10B+35N=18Bβˆ’11N3.526.028.010.001256-51.2
25Park, Junewoo1429KOR=33Bβˆ’9N+22B+32Nβˆ’23Bβˆ’17N+39B3.522.024.511.001283-27.2
26Tae, Siwon0KORβˆ’32B+46N=17Bβˆ’27Nβˆ’22B+38N+41B3.518.520.08.0012530.0
27Joi, Woojoo0KOR=9B+22Nβˆ’6N+26B=19Nβˆ’11BF3.025.525.511.7513730.0
28Kim, Onyu0KOR+31Nβˆ’19Bβˆ’8N+20Bβˆ’18N+36Bβˆ’21N3.024.027.010.0014040.0
29Yun, Yejoon0KORβˆ’23B+43N=32B+17Nβˆ’9B=22Nβˆ’14B3.023.025.09.5013430.0
30Seol, Youngjun1418KORβˆ’2N+42Bβˆ’10N+40Bβˆ’31N+35Bβˆ’12B3.022.024.07.00847-35.2
31Kim, Dojin A1528KORβˆ’28B+45N+39Bβˆ’7N+30Bβˆ’16Nβˆ’22B3.021.523.57.501432-10.8
32Choi, Jiwan1430KOR+26Nβˆ’21B=29Nβˆ’25B=36N+40Bβˆ’20N3.021.023.08.50690-50.4
33Yeo, Seungjun0KOR=25Nβˆ’10B=47N+41Bβˆ’8Nβˆ’20B+40N3.021.022.06.2511760.0
34Park, Jiho A0KORβˆ’17B+48Nβˆ’11Bβˆ’39N+47B+41Bβˆ’19N3.018.018.03.007200.0
35Park, Doyun0KORβˆ’18Nβˆ’39B+45B+46Nβˆ’24Bβˆ’30N+43B3.017.018.55.506800.0
36FIDE 132341610β€”βˆ’16N=47B+48Nβˆ’19B=32Bβˆ’28N+44B3.017.017.04.0012260.0
37Kim, Rayon0KORβˆ’24Bβˆ’11Nβˆ’46Bβˆ’43N+44B+48N+42B3.015.515.54.007110.0
38Choi, Jaebum0KOR+10Nβˆ’14Nβˆ’3B=42Bβˆ’20Nβˆ’26B+46N2.523.525.07.0013960.0
39Hwang, Hojin0KORβˆ’5B+35Nβˆ’31N+34B=11Nβˆ’21Bβˆ’25N2.523.026.08.2511630.0
40Lee, Sion0KOR+11Bβˆ’24Nβˆ’13Bβˆ’30N+46Bβˆ’32Nβˆ’33B2.021.022.56.0012310.0
41Cho, Junwoo0KORβˆ’12Bβˆ’7N+44Bβˆ’33N+43Bβˆ’34Nβˆ’26N2.020.522.54.008450.0
42FIDE 132371280β€”βˆ’13Bβˆ’30N+43B=38Nβˆ’17B=46Nβˆ’37N2.018.520.04.006540.0
43Jung, Sihoon0KORβˆ’6Nβˆ’29Bβˆ’42N+37Bβˆ’41N+45Bβˆ’35N2.018.020.05.007820.0
44FIDE 132370120β€”βˆ’4Nβˆ’20Bβˆ’41N+48Bβˆ’37N+47Bβˆ’36N2.018.018.01.006770.0
45FIDE 132345440β€”βˆ’14Bβˆ’31Bβˆ’35Nβˆ’22N+48Bβˆ’43N+47N2.017.017.01.007430.0
46FIDE 132349430β€”βˆ’21Nβˆ’26B+37Nβˆ’35Bβˆ’40N=42Bβˆ’38B1.518.020.04.007870.0
47FIDE 132377720β€”βˆ’15B=36N=33Bβˆ’18Bβˆ’34Nβˆ’44Nβˆ’45B1.019.021.03.007350.0
48FIDE 132391120β€”βˆ’1Nβˆ’34Bβˆ’36Bβˆ’44Nβˆ’45Nβˆ’37BF0.020.020.00.009060.0

Key insights

Biggest movers and upsets β€” the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
2026 Korea Youth Championship U10 β€” Seongnam, South Korea | Chess Tournament Results | ChessStats