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 (🇰🇷 KOR, 1786).
Jinwoo Lee (🇰🇷 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
🇰🇷Seongnam, South Korea
Dates
04 Feb 2026 → 07 Feb 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Federations · 1 represented
🇰🇷South Korea×41
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsJinwoo 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
R5–R7 · LEAD HELD
Jinwoo Lee never relinquished the lead after R5; final gap +1.5 over the runner-up.
R5 · HEAD-TO-HEAD · WINNER VS 2ND
Jinwoo Lee beat Kaviinayan Meiyazhagan (Black).
WIN STREAKS · 3 top finishers
Jinwoo Lee 7 wins (R1–R7)Kaviinayan Meiyazhagan 4 wins (R1–R4)Joohwan Kwak 4 wins (R3–R6)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Jinwoo Lee | * | 1 | — | 1 |
| 2Kaviinayan Meiyazhagan | 0 | * | — | — |
| 3Joohwan Kwak | — | — | * | — |
| 4Taeoh Lee | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Lee, Jinwoo | 1711 | KOR | +48B | +17N | +24B | +4N | +2N | +6B | +7N | 7.0 | 28.0 | 28.0 | 28.00 | 2370 | +64.8 |
| 2 | Meiyazhagan, Kaviinayan | 1786 | KOR | +30B | +13N | +14B | +12N | −1B | =5N | +9B | 5.5 | 28.5 | 31.5 | 22.00 | 1804 | +7.6 |
| 3 | Kwak, Joohwan | 1711 | KOR | +20N | −4B | +38N | +23N | +14B | +10B | =6N | 5.5 | 26.0 | 28.5 | 21.00 | 1717 | +3.2 |
| 4 | Kim, Rian | 1515 | KOR | +44B | +3N | +5B | −1B | −10N | +12N | +13B | 5.0 | 30.0 | 32.0 | 20.50 | 1758 | +85.2 |
| 5 | Lee, David J | 1623 | KOR | +39N | +18B | −4N | +11B | +13N | =2B | =10N | 5.0 | 27.5 | 30.0 | 20.00 | 1687 | +19.6 |
| 6 | Son, Haseong | 1579 | KOR | +43B | =23N | +27B | +9N | +12B | −1N | =3B | 5.0 | 27.5 | 29.5 | 18.00 | 1686 | +28.8 |
| 7 | Lee, Taeoh | 0 | KOR | −8N | +41B | +18N | +31B | +15B | +23N | −1B | 5.0 | 26.5 | 28.5 | 16.50 | 1576 | 0.0 |
| 8 | Kim, Siwon | 1482 | KOR | +7B | −12N | +28B | −15N | +33B | +14N | +16B | 5.0 | 24.0 | 27.0 | 19.00 | 1557 | +16.0 |
| 9 | Hwang, Siwoo | 1589 | KOR | =27N | +25B | +16N | −6B | +29N | +19B | −2N | 4.5 | 25.0 | 28.0 | 16.00 | 1642 | +16.0 |
| 10 | Kim, Jaeha | 1623 | KOR | −38B | +33N | +30B | +24N | +4B | −3N | =5B | 4.5 | 25.0 | 27.5 | 17.00 | 1703 | +22.0 |
| 11 | Kyeong, Soohyun | 1490 | KOR | −40N | +37B | +34N | −5N | =39B | +27N | +24B | 4.5 | 20.0 | 22.0 | 13.75 | 1579 | +10.0 |
| 12 | Lee, Jeongwoo B | 1631 | KOR | +41N | +8B | +21N | −2B | −6N | −4B | +30N | 4.0 | 27.5 | 29.5 | 14.00 | 1557 | -27.6 |
| 13 | Lee, Juwon A | 1478 | KOR | +42N | −2B | +40N | +21B | −5B | +15N | −4N | 4.0 | 25.5 | 27.5 | 12.00 | 1540 | +11.2 |
| 14 | Cho, Haedeun | 1558 | KOR | +45N | +38B | −2N | +16B | −3N | −8B | +29N | 4.0 | 25.5 | 27.5 | 11.50 | 1414 | -29.6 |
| 15 | Jang, Minki | 1583 | KOR | +47N | −16B | +20N | +8B | −7N | −13B | +23B | 4.0 | 25.5 | 26.5 | 13.50 | 1536 | -10.8 |
| 16 | Jea, Daeul | 1450 | KOR | +36B | +15N | −9B | −14N | +21N | +31B | −8N | 4.0 | 24.5 | 27.5 | 14.00 | 1553 | +32.8 |
| 17 | Park, Kangmin | 1461 | KOR | +34N | −1B | =26N | −29B | +42N | +25B | =18N | 4.0 | 24.0 | 26.0 | 12.25 | 1538 | +12.0 |
| 18 | Shin, Hyeonseo | 1475 | KOR | +35B | −5N | −7B | +47N | +28B | =24N | =17B | 4.0 | 23.5 | 24.5 | 10.75 | 1414 | -12.4 |
| 19 | Shin, Seojun | 1611 | KOR | =22B | +28N | −23B | +36N | =27B | −9N | +34B | 4.0 | 21.0 | 24.0 | 12.50 | 706 | -51.2 |
| 20 | Cho, Jungbin | 1400 | KOR | −3B | +44N | −15B | −28N | +38B | +33N | +32B | 4.0 | 21.0 | 23.0 | 10.50 | 1448 | -4.0 |
| 21 | Choi, Jungwoon | 1586 | KOR | +46B | +32N | −12B | −13N | −16B | +39N | +28B | 4.0 | 20.5 | 22.0 | 10.00 | 1312 | -57.6 |
| 22 | Jang, Jaehun | 0 | KOR | =19N | −27B | −25N | +45B | +26N | =29B | +31N | 4.0 | 20.0 | 22.0 | 12.00 | 1520 | 0.0 |
| 23 | Seo, Pureum | 1428 | KOR | +29N | =6B | +19N | −3B | +25N | −7B | −15N | 3.5 | 27.0 | 30.0 | 13.00 | 1579 | +38.8 |
| 24 | Park, Jaemin A | 1525 | KOR | +37N | +40B | −1N | −10B | +35N | =18B | −11N | 3.5 | 26.0 | 28.0 | 10.00 | 1256 | -51.2 |
| 25 | Park, Junewoo | 1429 | KOR | =33B | −9N | +22B | +32N | −23B | −17N | +39B | 3.5 | 22.0 | 24.5 | 11.00 | 1283 | -27.2 |
| 26 | Tae, Siwon | 0 | KOR | −32B | +46N | =17B | −27N | −22B | +38N | +41B | 3.5 | 18.5 | 20.0 | 8.00 | 1253 | 0.0 |
| 27 | Joi, Woojoo | 0 | KOR | =9B | +22N | −6N | +26B | =19N | −11B | F | 3.0 | 25.5 | 25.5 | 11.75 | 1373 | 0.0 |
| 28 | Kim, Onyu | 0 | KOR | +31N | −19B | −8N | +20B | −18N | +36B | −21N | 3.0 | 24.0 | 27.0 | 10.00 | 1404 | 0.0 |
| 29 | Yun, Yejoon | 0 | KOR | −23B | +43N | =32B | +17N | −9B | =22N | −14B | 3.0 | 23.0 | 25.0 | 9.50 | 1343 | 0.0 |
| 30 | Seol, Youngjun | 1418 | KOR | −2N | +42B | −10N | +40B | −31N | +35B | −12B | 3.0 | 22.0 | 24.0 | 7.00 | 847 | -35.2 |
| 31 | Kim, Dojin A | 1528 | KOR | −28B | +45N | +39B | −7N | +30B | −16N | −22B | 3.0 | 21.5 | 23.5 | 7.50 | 1432 | -10.8 |
| 32 | Choi, Jiwan | 1430 | KOR | +26N | −21B | =29N | −25B | =36N | +40B | −20N | 3.0 | 21.0 | 23.0 | 8.50 | 690 | -50.4 |
| 33 | Yeo, Seungjun | 0 | KOR | =25N | −10B | =47N | +41B | −8N | −20B | +40N | 3.0 | 21.0 | 22.0 | 6.25 | 1176 | 0.0 |
| 34 | Park, Jiho A | 0 | KOR | −17B | +48N | −11B | −39N | +47B | +41B | −19N | 3.0 | 18.0 | 18.0 | 3.00 | 720 | 0.0 |
| 35 | Park, Doyun | 0 | KOR | −18N | −39B | +45B | +46N | −24B | −30N | +43B | 3.0 | 17.0 | 18.5 | 5.50 | 680 | 0.0 |
| 36 | FIDE 13234161 | 0 | — | −16N | =47B | +48N | −19B | =32B | −28N | +44B | 3.0 | 17.0 | 17.0 | 4.00 | 1226 | 0.0 |
| 37 | Kim, Rayon | 0 | KOR | −24B | −11N | −46B | −43N | +44B | +48N | +42B | 3.0 | 15.5 | 15.5 | 4.00 | 711 | 0.0 |
| 38 | Choi, Jaebum | 0 | KOR | +10N | −14N | −3B | =42B | −20N | −26B | +46N | 2.5 | 23.5 | 25.0 | 7.00 | 1396 | 0.0 |
| 39 | Hwang, Hojin | 0 | KOR | −5B | +35N | −31N | +34B | =11N | −21B | −25N | 2.5 | 23.0 | 26.0 | 8.25 | 1163 | 0.0 |
| 40 | Lee, Sion | 0 | KOR | +11B | −24N | −13B | −30N | +46B | −32N | −33B | 2.0 | 21.0 | 22.5 | 6.00 | 1231 | 0.0 |
| 41 | Cho, Junwoo | 0 | KOR | −12B | −7N | +44B | −33N | +43B | −34N | −26N | 2.0 | 20.5 | 22.5 | 4.00 | 845 | 0.0 |
| 42 | FIDE 13237128 | 0 | — | −13B | −30N | +43B | =38N | −17B | =46N | −37N | 2.0 | 18.5 | 20.0 | 4.00 | 654 | 0.0 |
| 43 | Jung, Sihoon | 0 | KOR | −6N | −29B | −42N | +37B | −41N | +45B | −35N | 2.0 | 18.0 | 20.0 | 5.00 | 782 | 0.0 |
| 44 | FIDE 13237012 | 0 | — | −4N | −20B | −41N | +48B | −37N | +47B | −36N | 2.0 | 18.0 | 18.0 | 1.00 | 677 | 0.0 |
| 45 | FIDE 13234544 | 0 | — | −14B | −31B | −35N | −22N | +48B | −43N | +47N | 2.0 | 17.0 | 17.0 | 1.00 | 743 | 0.0 |
| 46 | FIDE 13234943 | 0 | — | −21N | −26B | +37N | −35B | −40N | =42B | −38B | 1.5 | 18.0 | 20.0 | 4.00 | 787 | 0.0 |
| 47 | FIDE 13237772 | 0 | — | −15B | =36N | =33B | −18B | −34N | −44N | −45B | 1.0 | 19.0 | 21.0 | 3.00 | 735 | 0.0 |
| 48 | FIDE 13239112 | 0 | — | −1N | −34B | −36B | −44N | −45N | −37B | F | 0.0 | 20.0 | 20.0 | 0.00 | 906 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Kim, RianKOR+85.25.0 pts · #5
- 2Lee, JinwooKOR+64.87.0 pts · #2
- 3Seo, PureumKOR+38.83.5 pts · #13
Top rating losers
- 1Choi, JungwoonKOR-57.64.0 pts · #20
- 2Shin, SeojunKOR-51.24.0 pts · #43
- 3Park, Jaemin AKOR-51.23.5 pts · #32
Biggest upsets
- R2+196 Elo gap
- R3+183 Elo gap
- R5+136 Elo gap