CChessStats

28th LSH Tournment

Open SwissStandard

30 players participated in this 6-round tournament, held from 23 Aug 2025 to 24 Aug 2025 in Seoul, South Korea. Top 10 Elo average was 1711, and top seed was Seojun Jang (πŸ‡°πŸ‡· KOR, 1784).

Jiwoo Lee (πŸ‡°πŸ‡· KOR, 1775) won with 5.5/6, ahead of Yunseo Hwang (5.0) and Seojun Jang (4.5). Lee won solo starting round 5.

The biggest upset came in round 2: Juyeop Lee (1448) beat Suhyuk Lee (1595), a +147-point gap.

Location
πŸ‡°πŸ‡·Seoul, South Korea
Dates
23 Aug 2025 β†’ 24 Aug 2025
Time control
Standard: 60 minutes for game
System
Swiss Β· 6 rounds
Top seed
πŸ‡°πŸ‡·Seojun Jang1784
Avg top 10
1,711
Participants
30
Federations Β· 1 represented
πŸ‡°πŸ‡·South KoreaΓ—29
Top 3
  • πŸ₯‡
    Jiwoo Lee
    πŸ‡°πŸ‡·KORΒ·1775
    5.5ptsΒ·2074perf+68.4
  • πŸ₯ˆ
    Yunseo Hwang
    πŸ‡°πŸ‡·KORΒ·1669
    5.0ptsΒ·1940perf+68.0
  • πŸ₯‰
    Seojun Jang
    πŸ‡°πŸ‡·KORΒ·1784
    4.5ptsΒ·1792perf+4.4

How it unfolded

Top 6 Β· 6 rounds

Jiwoo 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
14
7
4
2
1
1
1.534.56R1R2R3R4R5R6
Lee5.5Hwang5Jang4.5Shin4Hur4Han4
R5–R6 Β· LEAD HELD

Jiwoo Lee held the sole lead from R5 through R6 without losing it.

WIN STREAKS Β· 3 top finishers

Jiwoo Lee 5 wins (R1–R5)Yunseo Hwang 3 wins (R1–R3)Seojun Jang 3 wins (R3–R5)

Key matchups Β· top 4

Head-to-head between the four finishers
Player1234
1Jiwoo Lee*β€”
Β½
β€”
2Yunseo Hwangβ€”*
1
β€”
3Seojun Jang
Β½
0
*β€”
4Yisoo Shinβ€”β€”β€”*

Grille amΓ©ricaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΞ”
1Lee, Jiwoo1775KOR+15N+22B+5N+10B+4N=3B5.518.520.518.252074+68.4
2Hwang, Yunseo1669KOR+29N+3B+13Nβˆ’4B+10N+5B5.018.518.514.501940+68.0
3Jang, Seojun1784KOR+24Bβˆ’2N+26B+14N+7B=1N4.519.020.012.251792+4.4
4Han, Yongsu1713KOR+6B+19N+7B+2Nβˆ’1Bβˆ’18N4.021.524.015.501769+7.6
5Hur, Jiyu1705KOR+20B+11Nβˆ’1B+6N+9Bβˆ’2N4.021.523.513.001707+2.4
6Choi, Jungwoon1480KORβˆ’4N+8N+21Bβˆ’5B+13N+19B4.017.519.511.501655+12.0
7Jun, Sanghui1672KOR+28N+27Bβˆ’4N+11Bβˆ’3N+14B4.015.516.07.501628-8.4
8Shin, Yisoo1607KORβˆ’19Nβˆ’6B+23N+15B+20N+10B4.014.516.510.001784+42.8
9Kim, Jaeha1671KOR+30B+21Nβˆ’10B+20Nβˆ’5N+12B4.014.014.07.001502-25.2
10Choi, Hyunbin1707KOR+23N+12B+9Nβˆ’1Nβˆ’2Bβˆ’8N3.021.523.59.001561-19.0
11Kim, Seungwon0KOR+16Nβˆ’5B+17Bβˆ’7Nβˆ’14B+24N3.017.018.57.5016050.0
12Lee, Dahyeon0KOR+13Bβˆ’10N+24Bβˆ’18N+17Bβˆ’9N3.016.017.57.5016340.0
13Chung, Jaeheon1589KORβˆ’12N+23Bβˆ’2B+26Nβˆ’6B+21N3.016.017.05.001449-11.4
14Bae, Dohyun1582KORβˆ’21B+30N+19Bβˆ’3B+11Nβˆ’7N3.016.016.05.50927-24.8
15Seo, Yerin1506KORβˆ’1Bβˆ’26N+30Bβˆ’8N+28B+22N3.013.013.02.501615+24.8
16Lee, Suhyuk1595KORβˆ’11Bβˆ’20N=28B=25N+24B+23N3.010.010.54.501544-14.0
17Collins, Thomas Mathew1556KORβˆ’27N+28Bβˆ’11N+29Bβˆ’12N+20B3.09.59.52.502252+29.2
18Sung, Jaehyun1774KORFFF+12B+22N+4B3.09.09.09.002478+14.8
19Kim, Jimyeong0KOR+8Bβˆ’4Bβˆ’14N=24N+25Bβˆ’6N2.516.518.06.2515270.0
20Lee, Juyeop1448KORβˆ’5N+16B+27Nβˆ’9Bβˆ’8Bβˆ’17N2.018.019.04.001385-20.0
21Shin, Yijoon0KOR+14Nβˆ’9Bβˆ’6Nβˆ’22B+29Nβˆ’13B2.016.016.03.0013750.0
22Baek, Gyeongrok1643KOR+26Bβˆ’1NF+21Nβˆ’18Bβˆ’15B2.014.514.53.00879-53.6
23Jang, Yunseo1463KORβˆ’10Bβˆ’13Nβˆ’8B+28N+26Bβˆ’16B2.014.014.51.501347-25.2
24Ahn, Junmin1517KORβˆ’3N+29Bβˆ’12N=19Bβˆ’16Nβˆ’11B1.516.016.01.25890-22.8
25Yang, Heewook1486KORFFF=16Bβˆ’19N+29B1.55.55.51.501598+6.4
26Kang, Mingyu A0KORβˆ’22N+15Bβˆ’3Nβˆ’13Bβˆ’23NF1.014.514.53.0013520.0
27Yu, Hanseo0KOR+17Bβˆ’7Nβˆ’20BFFF1.09.09.03.0014400.0
28Kyeong, Soohyun1433KORβˆ’7Bβˆ’17N=16Nβˆ’23Bβˆ’15NF0.515.015.01.501187-48.4
29FIDE 132307190β€”βˆ’2Bβˆ’24NFβˆ’17Nβˆ’21Bβˆ’25N0.013.013.00.007560.0
30Choi, Robin0KORβˆ’9Nβˆ’14Bβˆ’15NFFF0.010.010.00.007780.0

Key insights

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

Top rating gainers
Top rating losers
Biggest upsets
28th LSH Tournment (2025) β€” Seoul, South Korea | Chess Tournament Results | ChessStats