CChessStats

Choi's Standard Event U1800 2025 Winter

Open SwissStandard

29 players participated in this 5-round tournament, held from 20 Dec 2025 to 21 Dec 2025 in Seongnam, South Korea. Top 10 Elo average was 1709, and top seed was Dongseob Lee (🇰🇷 KOR, 1784).

Taewoo D Kim (🇰🇷 KOR, 1725) won with 4.5/5, ahead of Taewoo Kim (4.0) and Jihoon Kim (4.0). Kim won solo starting round 4.

The biggest upset came in round 4: Haseong Son (1530) beat Kwansoo Kim (1694), a +164-point gap.

Location
🇰🇷Seongnam, South Korea
Dates
20 Dec 2025 → 21 Dec 2025
Time control
Standard: All Moves in 60 Min. Incr. 10 Sec. / /
System
Swiss · 5 rounds
Top seed
🇰🇷Dongseob Lee1784
Avg top 10
1,709
Participants
29
Federations · 1 represented
🇰🇷South Korea×18
Top 3

How it unfolded

Top 6 · 5 rounds

Taewoo D Kim led from R4; +0.5-point edge over the runner-up.

Co-leaders
11
4
2
1
1
1.52.545R1R2R3R4R5
R4–R5 · LEAD HELD

Taewoo D Kim held the sole lead from R4 through R5 without losing it.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Taewoo D Kim drew with Taewoo Kim (Black).

WIN STREAKS · 2 top finishers

Taewoo D Kim 4 wins (R1–R4)Jihoon Kim 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Taewoo D Kim*
½
1
2Taewoo Kim
½
*
3Jihoon Kim
0
*
4Minjae Kim*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Kim, Taewoo D1725KOR+18N+5B+4N+3B=2N4.514.015.513.501946+16.0
2Kim, Taewoo1765KOR+8N=6B+19N+10B=1B4.013.014.510.751884+24.0
3Kim, Jihoon1683KOR+29N+7B+14N1N+4B4.012.512.58.001772+14.8
4Yun, Junseo0KOR+27B+20N1B+5B3N3.012.512.54.0015340.0
5Lee, Seohan1615KOR+13B1N+12B4N+10N3.012.014.06.501684+11.6
6Lee, Juhwan1676KOR+12B=2N10B+18N=11B3.011.012.56.751605-10.4
7Son, Haseong1530KOR+24B3N+13B+14B9N3.011.012.05.001588+8.4
8Choe, Yujin0KOR2B12N+21B+13N+15B3.010.011.05.009640.0
9Kim, Minjae1776KORFF+26B+17N+7B3.05.55.55.502304+10.6
10Lee, Kwanhoo1645KOR+25N=19B+6N2N5B2.511.512.54.751639-1.2
11Lee, Dongseob1784KORFF+28N+16B=6N2.55.05.03.501818+1.8
12FIDE 1323290806N+8B5N15B+20N2.011.012.04.008240.0
13Shin, Hyeongseop0KOR5N+18B7N8B+28N2.010.510.51.507540.0
14Kim, Kwansoo1694KOR+22B+16N3B7NF2.010.010.03.001471-17.4
15FIDE 13238043016B22N+20B+12N8N2.08.09.03.007780.0
16Lee, Jaeun1578KOR+15N14BF11N+21B2.07.57.53.00935-23.6
17Kim, Siwon1492KORFF+23N9B+26N2.04.54.51.501628+12.4
18FIDE 1323563001B13N+27B6B=23N1.510.510.50.508970.0
19Jung, Jinuk1727KOR+20B=10N2BFF1.57.57.52.251511-11.2
20FIDE 13234200019N4B15N+27N12B1.08.58.50.009270.0
21FIDE 132379420FF8N+28B16N1.05.05.00.007780.0
22FIDE 13238213014N+15BFFF1.04.04.02.008880.0
23FIDE 132382800FF17B=26N=18B1.04.04.01.0012970.0
24FIDE 1323765907N+29BFFF1.03.03.00.007310.0
25Lee, Hanjo0KOR10B+27NFFF1.02.52.50.00844-10.0
26Jea, Daeul1482KORFF9N=23B17B0.56.06.00.50835-25.6
27FIDE 1323795004N25B18N20BF0.06.56.50.006540.0
28FIDE 132377640FF11B21N13B0.05.55.50.009820.0
29FIDE 1323800003B24NFFF0.05.05.00.008780.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets