CChessStats

11th Queen's

Open SwissStandard

36 players participated in this 4-round tournament, held on 14 Sept 2025 in Bundang, South Korea. Top 10 Elo average was 1627, and top seed was Mingyu Choi (🇰🇷 KOR, 1783).

Laeho Youn (🇰🇷 KOR, 1578) won with 4.0/4, ahead of Sangwoo Park (4.0) and Hosung Chae (3.0). Youn shared the lead from round 3, winning on tie-break.

The biggest upset came in round 1: Rian Kim (1467) beat Mingyu Choi (1783), a +316-point gap.

Location
🇰🇷Bundang, South Korea
Dates
14 Sept 2025
Time control
Standard: All Moves in 55 Min. Incr. 5 Sec. / /
System
Swiss · 4 rounds
Top seed
🇰🇷Mingyu Choi1783
Avg top 10
1,627
Participants
36
Federations · 1 represented
🇰🇷South Korea×34
Top 3

How it unfolded

Top 6 · 4 rounds

Tight race until R4; 2 players tied at 4.0/4, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders
18
8
4
2
1234R1R2R3R4
R4 · TIEBREAK CLUSTER

2 players finish on 4.0/4. Youn takes the title on Buchholz Cut1 (7.5).

WIN STREAKS · 2 top finishers

Sangwoo Park 4 wins (R1–R4)Laeho Youn 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Sangwoo Park*
2Laeho Youn*
1
1
3Jiwon Kang
0
*
4Hwanseo Lee
0
*

Grille américaine

#PlayerEloFedR1R2R3R4PtsBu C1BuSBPerfΔ
1Youn, Laeho1578KOR+35N+25B+4N+5N4.07.57.57.502392+62.0
2Park, Sangwoo0KOR+19N+28B+13B+3N4.07.08.08.0016700.0
3Chae, Hosung1652KOR+27N+10B+7N2B3.010.011.57.502279+32.8
4Kang, Jiwon1658KOR+17B+8N1B+11N3.09.511.57.501737+16.4
5Lee, Hwanseo1661KOR+22N+14B+6N1B3.09.011.07.001748+17.6
6Lee, Juhwan1585KOR+32B+9N5B+17N3.08.09.06.001666+12.8
7Kim, Ria1508KOR+23N+16B3B+20N3.07.09.06.001725+35.6
8Yang, Junseo1568KOR+33N4B+25N+15B3.06.57.54.501559-0.8
9Lee, Donghwa1469KOR+30N6B+31N+14B3.06.07.04.001647+23.2
10Ahn, Taehyun1508KOR+34B3N+29B+13N3.06.06.53.501619+12.4
11Kim, Gyubeen1568KOR+26N=15B+24N4B2.57.08.54.50853-15.2
12Lee, Seungyoo1498KOR+36B13N+18B=16N2.56.06.03.001412-9.2
13Seol, Youngjun1590KOR+31N+12B2N10B2.09.510.53.501600+2.4
14Lee, Kangin1568KOR+18B5N+21B9N2.08.010.04.001406-25.6
15Jeong, Eunchae0KOR+20B=11N=16B8N2.07.59.54.2515710.0
16Lee, Kunseo1626KOR+21B7N=15N=12B2.07.59.54.251480-22.8
17Lim, Siheon1446KOR4N+33B+28N6B2.07.08.02.001476+2.8
18Kim, Choi0KOR14N+22B12N+28B2.06.57.53.0015320.0
19Han, Jaejun1558KOR2B29N+27N+31B2.06.57.52.502222+25.6
20Seo, Yerin1535KOR15N+26B+30N7B2.06.57.52.50705-21.2
21Jang, Seungwoo1431KOR16N+23B14N+30B2.06.07.03.00795-11.4
22Cho, Sungjun1453KOR5B18N+34B+29N2.06.06.51.50859-11.2
23Seol, Yunseo0KOR7B21N+35B+34N2.05.55.50.506680.0
24Choi, Mingyu1783KOR25B+35N11B+32N2.05.05.01.007160.0
25Kim, Rian1467KOR+24N1N8B=26B1.59.010.52.75774-28.0
26Jeon, Minjae0KOR11B20N+36B=25N1.56.06.00.7512460.0
27Choi, Jungho1437KOR3B=34N19B+35N1.55.55.50.25804-22.0
28Choi, Yeonwook1569KOR+29B2N17B18N1.08.09.01.00661-26.0
29Choi, Robin0KOR28N+19B10N22B1.07.08.02.0013370.0
30Yeo, Seungjun0KOR9B+32N20B21N1.07.08.01.006860.0
31Hwang, Siwoo1416KOR13B+36N9B19N1.07.07.00.00749-38.8
32FIDE 1323436606N30B+33N24B1.06.07.01.007830.0
33Park, Halyn0KOR8B17N32B+36N1.06.06.00.007140.0
34Park, Siyul0KOR10N=27B22N23B0.57.08.50.7512010.0
35Cho, Yihwan0KOR1B24B23N27B0.08.09.50.007050.0
36FIDE 13235796012N31B26N33B0.05.06.00.006600.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets