CChessStats

26th LSH Open

Open SwissStandard

31 players participated in this 6-round tournament, held from 05 Jul 2025 to 06 Jul 2025 in Seoul, South Korea. Top 10 Elo average was 1706, and top seed was Keonwoo Kim (πŸ‡°πŸ‡· KOR, 1773).

Dongyeop Baek (πŸ‡°πŸ‡· KOR, 1617) won with 6.0/6, ahead of Hyunbin Choi (4.5) and Hajin Gim (4.0). Baek won solo starting round 4.

The biggest upset came in round 5: Jaemin Bae (1548) beat Hosung Chae (1755), a +207-point gap.

Location
πŸ‡°πŸ‡·Seoul, South Korea
Dates
05 Jul 2025 β†’ 06 Jul 2025
Time control
Standard: 60 minutes for game
System
Swiss Β· 6 rounds
Top seed
πŸ‡°πŸ‡·Keonwoo Kim1773
Avg top 10
1,706
Participants
31
Federations Β· 1 represented
πŸ‡°πŸ‡·South KoreaΓ—30
Top 3
  • πŸ₯‡
    Dongyeop Baek
    πŸ‡°πŸ‡·KORΒ·1617
    6.0ptsΒ·2458perf+111.2
  • πŸ₯ˆ
    Hyunbin Choi
    πŸ‡°πŸ‡·KORΒ·1708
    4.5ptsΒ·1811perf+14.0
  • πŸ₯‰
    Hajin Gim
    πŸ‡°πŸ‡·KORΒ·1668
    4.0ptsΒ·1712perf+10.4

How it unfolded

Top 6 Β· 6 rounds

Dongyeop Baek led from R4; +1.5-point edge over the runner-up.

Co-leaders
11
5
3
1
1
1
1.534.56R1R2R3R4R5R6
Baek6Choi4.5Kim4Zee4Kwak4Gim4
R4–R6 Β· LEAD HELD

Dongyeop Baek never relinquished the lead after R4; final gap +1.5 over the runner-up.

R5 Β· HEAD-TO-HEAD Β· WINNER VS 2ND

Dongyeop Baek beat Hyunbin Choi (Black).

WIN STREAKS Β· 3 top finishers

Dongyeop Baek 6 wins (R1–R6)Hyunbin Choi 3 wins (R1–R3)Keonwoo Kim 3 wins (R3–R5)

Key matchups Β· top 4

Head-to-head between the four finishers
Player1234
1Dongyeop Baek*
1
β€”β€”
2Hyunbin Choi
0
*
1
β€”
3Keonwoo Kimβ€”
0
*β€”
4Hyeonjeong Zeeβ€”β€”β€”*

Grille amΓ©ricaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΞ”
1Baek, Dongyeop1617KOR+19N+9B+12N+4B+2N+3B6.018.520.520.502458+111.2
2Choi, Hyunbin1708KOR+29N+11B+3N=7Bβˆ’1B+5N4.520.521.013.251811+14.0
3Gim, Hajin1668KOR+25B+5Nβˆ’2B+15N+8Bβˆ’1N4.020.021.010.501712+10.4
4Kwak, Joohwan1685KOR+8N+6B+17Bβˆ’1Nβˆ’9N+10B4.019.021.012.001733+14.0
5Kim, Keonwoo1773KOR+24Nβˆ’3B+11N+16B+7Nβˆ’2B4.017.018.09.501751-5.6
6Zee, Hyeonjeong1712KOR+28Bβˆ’4N+10Bβˆ’8N+22B+9N4.014.515.58.501828+27.6
7Han, Yongsu1703KORF+22B+15N=2Nβˆ’5B+8N3.515.515.59.251773+7.6
8Jang, Woonam0KORβˆ’4B+18N+9N+6Bβˆ’3Nβˆ’7B3.018.520.59.0016190.0
9Choi, Chanuk1689KOR+26Bβˆ’1Nβˆ’8B+24N+4Bβˆ’6B3.018.019.06.001638-11.2
10Bae, Dohyun1540KORβˆ’17B+25Nβˆ’6N+11B+16Nβˆ’4N3.015.016.06.001585+11.6
11Song, Yoojun1556KOR+18Bβˆ’2Nβˆ’5Bβˆ’10N+29B+22N3.015.015.54.001431-25.2
12Kim, Seungyu1542KOR=15N+24Bβˆ’1B=22Nβˆ’20B+21N3.014.015.05.001507-11.2
13Patil, Salil0KORβˆ’27Bβˆ’26N+25Bβˆ’14N+24B+23N3.07.58.53.5015400.0
14Bae, Jaemin1548KORFFF+13B+15B+20N3.07.57.57.502430+49.2
15Chae, Hosung1755KOR=12B+27Nβˆ’7Bβˆ’3Bβˆ’14N+16B2.515.516.54.501543-68.0
16Kim, Taehyun A1590KOR+31Bβˆ’17N+26Bβˆ’5Nβˆ’10Bβˆ’15N2.012.513.01.50903-56.0
17Sung, Jaehyun1748KOR+10N+16Bβˆ’4NFFF2.09.09.05.001728-1.4
18Song, Hayul0KORβˆ’11Nβˆ’8Bβˆ’24N+?Bβˆ’23N+30B2.09.09.00.5013320.0
19Park, Donghyun0KORβˆ’1B+28N+27BFFF2.08.08.02.0015940.0
20Lee, Seojun B1507KORFFF+29B+12Nβˆ’14B2.06.56.53.501541+3.6
21Shin, Wonseok0KORFFF+25N+30Bβˆ’12B2.04.54.51.5015150.0
22Yang, Jin1479KORFβˆ’7N+31B=12Bβˆ’6Nβˆ’11B1.514.014.02.001306-29.6
23Ahn, Junmin1522KORFFF=30N+18Bβˆ’13B1.55.55.52.251486-2.0
24Seo, Yerin1543KORβˆ’5Bβˆ’12N+18Bβˆ’9Bβˆ’13Nβˆ’25N1.015.016.02.00869-40.0
25Lee, Jeongmin0KORβˆ’3Nβˆ’10Bβˆ’13Nβˆ’21Bβˆ’?N+24B1.013.013.01.0014550.0
26Hwang, Siwoo0KORβˆ’9N+13Bβˆ’16NFFF1.08.08.03.008400.0
27Kwak, Jeonghwan1561KOR+13Nβˆ’15Bβˆ’19NFFF1.07.57.53.00953-10.0
28Shin, Dongeun1540KORβˆ’6Nβˆ’19B+29NFFF1.06.56.50.50912-11.2
29FIDE 132307190β€”βˆ’2B=31Nβˆ’28Bβˆ’20Nβˆ’11Nβˆ’?B0.511.011.00.257790.0
30Lee, Hajin A1469KORFFF=23Bβˆ’21Nβˆ’18N0.55.55.50.751522+2.0
31Park, Junewoo0KORβˆ’16N=29Bβˆ’22NFFF0.54.04.00.257340.0

Key insights

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

Top rating gainers
Top rating losers
Biggest upsets
26th LSH Open (2025) β€” Seoul, South Korea | Chess Tournament Results | ChessStats