CChessStats

25th LSH Tournament

Open SwissStandard

31 players participated in this 6-round tournament, held from 17 May 2025 to 18 May 2025 in Seoul, South Korea. Top 10 Elo average was 1641, and top seed was Jaehyun Sung (🇰🇷 KOR, 1741).

Yongsu Han (🇰🇷 KOR, 1679) won with 5.0/6, ahead of Hajin Gim (4.5) and Jinwoo A Park (4.5). Han shared the lead from round 4 and won solo starting round 5.

The biggest upset came in round 6: Jaeha Kim (1570) beat Hyunbin Choi (1725), a +155-point gap.

Location
🇰🇷Seoul, South Korea
Dates
17 May 2025 → 18 May 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Top seed
🇰🇷Jaehyun Sung1741
Avg top 10
1,641
Participants
31
Federations · 1 represented
🇰🇷South Korea×30
Top 3

How it unfolded

Top 6 · 6 rounds

Yongsu Han 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
9
3
1
2
1
1
1.534.56R1R2R3R4R5R6Han takes lead
Han5Gim4.5Park4.5Kim4Lee4Sung4— ex-leaders:Yangled R3, #9
R5 · LEADER CHANGE18 May

Yongsu Han takes the sole lead (4.5/5).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Yongsu Han beat Hajin Gim (White).

WIN STREAKS · 2 top finishers

Yongsu Han 3 wins (R3–R5)Jinwoo A Park 3 wins (R3–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Yongsu Han*
1
½
1
2Hajin Gim
0
*
3Jinwoo A Park
½
*
4Jaeha Kim
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Han, Yongsu1679KOR+12B=8N+5B+9N+2B=3B5.019.021.517.751938+25.6
2Gim, Hajin1639KOR+4N+6B=14N+15B1N+8B4.518.520.514.251752+34.8
3Park, Jinwoo A0KOR+11N14B+21N+4B+10B=1N4.517.519.014.0016500.0
4Lee, Chamin1498KOR2B+16N+27B3N+12B+9N4.016.517.58.501773+58.4
5Kim, Jaeha1570KOR=23N+21B1N+13B=7B+10N4.016.017.59.751764+52.4
6Kim, Jihun1541KOR+16B2N7B+27N+22N+18B4.014.015.06.501696+42.4
7Sung, Jaehyun1741KORF+30B+6N=22B=5N+15B4.013.513.58.751767+2.6
8Hur, Jiyu1542KOR+26N=1BF=10N+9B2N3.016.517.58.001666+27.2
9Yang, Heewon1624KOR+17B+19N+15N1B8N4B3.016.018.06.001465-43.2
10Choi, Hyunbin1725KOR=21N+13B+23N=8B3N5B3.015.517.06.251508-21.8
11Shin, Hyeonseo1546KOR3B+31N19B+17N15N+16B3.012.512.54.001585+6.4
12Lee, Hajin A1505KOR1N=26B13N+16B4N+21B2.515.016.04.001333-34.0
13Kim, Geono1420KOR=24B10N+12B5N18B+25N2.513.014.54.751492+20.0
14Kwak, Joohwan1587KOR+31B+3N=2BFFF2.59.09.06.751717+13.6
15Seo, Yerin1522KORF+27N9B2N+11B7N2.018.519.54.001550+8.8
16Yang, Heewook0KOR6N4B+31B12N+30B11N2.013.513.50.0012570.0
17Woo, Daeun1456KOR9N28B+30N11B21N+26B2.09.59.51.00760-57.6
18Ahn, Junmin1504KORFFF+21B+13N6N2.08.08.04.001613+17.2
19Hong, Siwon0KOR+28N9B+11NFFF2.07.07.04.0015970.0
20Choo, Jinho0KORFFF+29B+26N22B2.03.53.52.008750.0
21Kim, Taei A1509KOR=10B5N3B18N+17B12N1.516.018.03.501400-29.2
22Lee, Hwanseo1677KORFFF=7N6B+20N1.510.010.04.001448-23.6
23Hong, Juwon0KOR=5B+24N10BFFF1.58.58.53.5016300.0
24Kim, Taehyun A1600KOR=13N23B+26NFFF1.55.05.02.251418-9.2
25Park, Junewoo1406KORFFF=26B+29N13B1.54.54.51.50618-19.2
26Woo, Hyunjun0KOR8B=12N24B=25N20B17N1.011.012.52.0012580.0
27Choi, Gyungsook1565KOR+30N15B4N6BFF1.010.010.00.00716-68.4
28Lee, Junwoo A1568KOR19B+17NFFFF1.07.07.02.002255+14.0
29Choi, Robin0KORFFF20N25B+30N1.03.53.50.006040.0
30FIDE 13226266027B7N17BF16N29B0.010.010.00.007870.0
31Hwang, Siwoo1413KOR14N11B16NFFF0.07.57.50.00765-23.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets