CChessStats

2025 Korea Youth Selection U12

Open SwissStandard

34 players participated in this 7-round tournament, held from 13 Jun 2025 to 16 Jun 2025 in Gwacheon, South Korea. 2 federations represented. Top 10 Elo average was 1776, and top seed was Echae Kim (🇰🇷 KOR, 1903).

Juwon Seo (🇰🇷 KOR, 1860) won with 6.5/7, ahead of Jihu Song (5.5) and Joohyuk Hong (5.0). Seo won solo starting round 4.

The biggest upset came in round 4: Taewoo Kim (1709) beat Echae Kim (1903), a +194-point gap.

Location
🇰🇷Gwacheon, South Korea
Dates
13 Jun 2025 → 16 Jun 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Top seed
🇰🇷Echae Kim1903
Avg top 10
1,776
Participants
34
Federations · 2 represented
🇰🇷South Korea×30
🇬🇺Guam×1
Top 3
  • 🥇
    🇰🇷KOR·1860
    6.5pts·2132perf+67.2
  • 🥈
    🇰🇷KOR·1764
    5.5pts·1899perf+48.4
  • 🥉
    🇰🇷KOR·1803
    5.0pts·1854perf+23.2

How it unfolded

Top 6 · 7 rounds

Juwon Seo led from R4; +1.0-point edge over the runner-up.

Co-leaders
16
8
2
1
1
1
1
23.55.57R1R2R3R4R5R6R7
Seo6.5Song5.5Hong5Kim5Jang4.5Gim4.5
R4–R7 · LEAD HELD

Juwon Seo never relinquished the lead after R4; final gap +1.0 over the runner-up.

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Juwon Seo beat Jihu Song (Black).

WIN STREAKS · 2 top finishers

Juwon Seo 5 wins (R1–R5)Joohyuk Hong 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Juwon Seo*
1
1
2Jihu Song
0
*
½
3Joohyuk Hong
0
½
*
½
4Keonwoo Kim
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Seo, Juwon1860KOR+30N+12B+2N+3B+7N=6B+5N6.528.029.026.752132+67.2
2Song, Jihu1764KOR+15B+21N1B+24N+10B=3B+8N5.527.030.021.001899+48.4
3Hong, Joohyuk1803KOR+17B+18N+10B1N+5B=2N=4B5.029.533.021.251854+23.2
4Kim, Keonwoo1805KOR+26N=9B=11N+6B=16N+7B=3N5.026.529.520.751830+15.2
5Kim, Taewoo1709KOR+28N+14B=6N+8B3N+9B1B4.529.030.516.751792+30.4
6Jang, Seojun1826KOR+19B+16N=5B4N+22B=1N=10B4.527.530.517.751765-13.0
7Lee, Yugeon1764KOR+27N+22B=8N+9B1B4N+15B4.527.029.515.751758+5.6
8Kim, Echae1903KOR+29B+11N=7B5N+21B+16N2B4.525.527.014.751754-43.2
9Ock, Seungheon1578KOR+32B=4N+13B7N+15B5N+22B4.524.525.514.001698+39.2
10Lee, Ain1666KOR+24B+33N3N+26B2N+21B=6N4.524.024.011.251700+14.4
11Gim, Hajin1655KOR+20N8B=4B15N+17B+23N+18B4.523.526.516.001683+15.2
12Shin, Yisoo1624KOR+23B1N+17B21N+24B+13N16B4.023.526.513.501614-3.2
13Shin, Seungmin1620KOR14N+28B9N+25B+27N12B+21N4.021.022.510.001603+4.4
14Park, Junhyeok0KOR+13B5N21B=17N+31B=22N+23B4.021.022.011.2515400.0
15Yang, Jin1463KOR2N+25B=22N+11B9N+26B7N3.525.028.012.001567+28.4
16Kim, Junesun1619GUMF6B+27N+23N=4B8B+12N3.523.523.512.001728+34.8
17Park, Chabeen1482KOR3N+31B12N=14B11N+28B+27N3.521.522.57.001526+10.0
18Kim, Gyubeen1599KOR+31N3B24N=28B+20N+19B11N3.521.022.08.751483-39.2
19Maeng, Chihyun1485KOR6N=20B+30N22B+28N18N+25B3.519.020.07.251493+4.0
20Kawai, Alen1420KOR11B=19N23B+33N18B+30N+29B3.517.017.04.251464+11.6
21Lee, Chamin1546KOR+25N2B+14N+12B8N10N13B3.026.529.511.001469-18.0
22Lim, Jihyuk1527KOR+34B7N=15B+19N6N=14B9N3.024.524.57.251469-18.0
23Oh, Jeongyun1416KOR12N+30B+20N16B+26N11B14N3.022.523.57.501545+43.2
24Ahn, Taehyun1451KOR10N+29N+18B2B12N25B+32N3.022.023.06.001563+24.8
25Lee, Yeonho0KOR21B15N+29B13N+32B+24N19N3.018.519.55.5013810.0
26Han, Sangjun1482KOR4B+32N+33B10N23B15N+31B3.018.018.02.00782-58.8
27Lho, Yoojun1469KOR7B+34N16B+31N13B=29N17B2.518.018.01.751229-48.0
28Park, Jaeik1456KOR5B13N+32B=18N19B17NF1.520.020.02.751201-48.4
29Lee, Hyeonjun1526KOR8N24B25NF+33B=27B20N1.516.516.51.251240-56.0
30Ha, Jungwoo1489KOR1B23N19B32NF20B+33N1.017.517.50.00737-72.8
31FIDE 13226010018B17NF27B14N+33B26N1.016.516.50.007030.0
32Heo, Jiyul0KOR9N26B28N+30B25NF24B1.016.016.01.0012470.0
33FIDE 132339710F10B26N20B29N31N30B0.014.514.50.007120.0
34FIDE 13233017022N27BFFFFF0.08.08.00.006970.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets