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2025 Korea Youth Selection G12, G14, G16, G18

Open SwissStandard

22 players participated in this 7-round tournament, held from 13 Jun 2025 to 16 Jun 2025 in Gwacheon, South Korea. Top 10 Elo average was 1636, and top seed was Jueun Hong (🇰🇷 KOR, 1701).

Hyeonjeong Zee (🇰🇷 KOR, 1634) won with 6.0/7, ahead of Jueun Hong (5.5) and Jay Yim (5.0). Zee won solo starting round 5.

The biggest upset came in round 1: Hayeon Yang (1459) beat Yunseo Lee (1686), a +227-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
🇰🇷Jueun Hong1701
Avg top 10
1,636
Participants
22
Federations · 1 represented
🇰🇷South Korea×21
Top 3
  • 🥇
    Hyeonjeong Zee
    🇰🇷KOR·1634
    6.0pts·1902perf+78.0
  • 🥈
    Jueun Hong
    🇰🇷KOR·1701
    5.5pts·1813perf+36.4
  • 🥉
    Jay Yim
    🇰🇷KOR·1654
    5.0pts·1684perf+11.2

How it unfolded

Top 6 · 7 rounds

Hyeonjeong Zee 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
11
6
3
2
1
1
1
23.55.57R1R2R3R4R5R6R7
Zee6Hong5.5Yim5Kim5Song4.5Yang4
R5–R7 · LEAD HELD

Hyeonjeong Zee held the sole lead from R5 through R7 without losing it.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Hyeonjeong Zee beat Jueun Hong (White).

WIN STREAKS · 3 top finishers

Hyeonjeong Zee 6 wins (R1–R6)Jueun Hong 4 wins (R1–R4)Jay Yim 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Hyeonjeong Zee*
1
0
1
2Jueun Hong
0
*
1
1
3Jay Yim
1
0
*
0
4Doyeon Kim
0
0
1
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Zee, Hyeonjeong1634KOR+14B+6N+10B+13N+2B+4N−3B6.027.030.025.001902+78.0
2Hong, Jueun1701KOR+22N+4B+12N+3B−1N+6B=5N5.528.029.020.751813+36.4
3Yim, Jay1654KOR+8B+13N+7B−2N−4B+9N+1N5.028.532.021.501684+11.2
4Kim, Doyeon1616KOR+21B−2N+8B+7N+3N−1B+6N5.028.529.518.001681+18.4
5Song, Rina1521KOR−9N+18B+15N−12B+14N+8B=2B4.523.025.014.751475-10.0
6Kim, Nayoon B1583KOR+19N−1B+9N+10N+12B−2N−4B4.028.030.013.501614+9.6
7Yang, Hayeon1459KOR+11N+22B−3N−4B+10B=12N=13B4.025.026.012.501656+70.4
8Choi, Hyeonsuh0KOR−3N+19B−4N+18B+11B−5N+15B4.023.525.511.0015220.0
9Yun, Gaon0KOR+5B−12N−6B+21N+13B−3B+17N4.023.524.512.001560+48.8
10Yang, Hayoon1663KOR+17N+16B−1N−6B−7N+14B+18N4.023.025.011.001516-51.2
11Lee, Yunseo1686KOR−7B−14N+21B+16B−8N+18B+12N4.019.520.59.501719+7.2
12Jung, Minju1645KOR+15N+9B−2B+5N−6N=7B−11B3.526.029.013.501503-47.2
13Jang, Yunseo1619KOR+18N−3B+17N−1B−9N+16B=7N3.525.027.010.001509-9.2
14Lee, Hyunju0KOR−1N+11B=16N=17B−5B−10N+20N3.024.526.59.0014460.0
15Hwang, Noel0KOR−12B+20N−5B+22B=16N=17B−8N3.020.021.06.0014270.0
16Kim, Jiwoo1561KOR+20B−10N=14B−11N=15B−13N+19B3.019.521.57.00834-37.6
17Oh, Seoa1416KOR−10B+21N−13B=14N+22B=15N−9B3.018.519.55.001318-22.0
18Lee, Seoha0KOR−13B−5N+20B−8N+19B−11N−10B2.022.024.04.00804-58.0
19Park, Siyul0KOR−6B−8N−22N+20B−18N+21B−16N2.016.017.03.007000.0
20FIDE 132332110—−16N−15B−18N−19N+21B+22N−14B2.014.015.02.0013460.0
21Min, Suah0KOR−4N−17B−11N−9B−20N−19N+22B1.020.021.01.0012700.0
22Kim, Nayun1473KOR−2B−7N+19B−15N−17N−20B−21N1.019.520.52.00730-44.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
2025 Korea Youth Selection G12, G14, G16, G18 — Gwacheon, South Korea | Chess Tournament Results | ChessStats