Weon Seong-chin
Follow
878
Games
55%
Win rate
4
Titles
13–17
2026 Record
43.3%
Win Rate
30
Games
1L
Current Streak
As Black: 7/16 (44%)
As White: 6/14 (43%)
Best this year: 4W
Key rivalries
Kang Dongyun
18–16
Choi Cheolhan
13–18
Lee Sedol
12–15
Pak Yeong-hun
11–13
Lee Changho
12–12
Park Junghwan
6–18
Tournaments
Fox Weiqi Research Society
Out
7W–7L
14 games
2026-09-10
KB Baduk League
Out
0W–3L
3 games
2026-01-30
League
Myeongin #49
Out
1W–2L
3 games
2026-08-24
Losers Bracket · Quarterfinal · Round of 16
Korean Baduk League
Out
1W–1L
2 games
2026-01-08
League · Round 9
Kuksu Mountains International Baduk Championship #12
Active
2W–0L
2 games
2026-08-02
1st Preliminary · Qualifier
MLily Cup #6
Out
1W–1L
2 games
2026-08-15
Round of 64 · Preliminary
2026 Round 2
1W–0L
1 game
2026-08-26
Round 2
Korean Strongest Player
Out
0W–1L
1 game
2026-02-25
Preliminary
Nongshim Cup #28
Out
0W–1L
1 game
2026-07-09
Preliminary
Samsung Cup World Open #31
Out
0W–1L
1 game
2026-08-29
Preliminary
Key Opponents in 2026
| Opponent | Games | Record | Split |
|---|---|---|---|
| Tu Xiaoyu 🇨🇳 | 2 | 1–1 | |
| Fan Yin 🇨🇳 | 2 | 1–1 | |
| Pak Min-kyu 🇰🇷 | 2 | 1–1 | |
| Zhao Chenyu 🇨🇳 | 2 | 0–2 | |
| Yang Kaiwen 🇨🇳 | 2 | 1–1 | |
| Jiang Weijie 🇨🇳 | 1 | 1–0 | |
| Fujii Koki 🇯🇵 | 1 | 1–0 | |
| Lee Ji-hyun | 1 | 0–1 | |
| Park Junghwan 🇰🇷 | 1 | 0–1 | |
| Xu Jiayang 🇨🇳 | 1 | 0–1 |
Games
| Date | Opponent | Color | Result | Event | Round |
|---|---|---|---|---|---|
| 2026-09-10 | Tu Xiaoyu | B | W+R | Fox Weiqi Research Society | |
| 2026-09-03 | Jiang Weijie | B | B+R | Fox Weiqi Research Society | |
| 2026-08-29 | Fan Yin | W | B+R | Samsung Cup World Open | Preliminary |
| 2026-08-26 | Fujii Koki | B | B+R | 2026 Round 2 | Round 2 |
| 2026-08-24 | Lee Ji-hyun | B | W+R | Myeongin | Losers Bracket |
| 2026-08-21 | Park Junghwan | B | W+R | Myeongin | Quarterfinal |
| 2026-08-15 | Xu Jiayang | W | B+R | MLily Cup | Round of 64 |
| 2026-08-07 | Kim Chin-hwi | W | W+R | Myeongin | Round of 16 |
| 2026-08-03 | Fan Yin | W | W+2.5 | Fox Weiqi Research Society | |
| 2026-08-02 | Kang Seung-min | W | W+R | Kuksu Mountains International Baduk Championship | 1st Preliminary |
| 2026-08-01 | Pak Min-kyu | B | B+R | Kuksu Mountains International Baduk Championship | Qualifier |
| 2026-07-28 | Zhao Chenyu | B | W+R | Fox Weiqi Research Society | |
| 2026-07-27 | Wang Xinghao | B | W+R | Fox Weiqi Research Society | |
| 2026-07-11 | Yang Kaiwen | B | B+R | Fox Weiqi Research Society | |
| 2026-07-09 | Kim Jiseok | W | B+R | Nongshim Cup | Preliminary |
| 2026-06-15 | Tu Xiaoyu | W | W+R | Fox Weiqi Research Society | |
| 2026-05-24 | Liao Yuanhe | W | B+R | Fox Weiqi Research Society | |
| 2026-05-11 | Gu Zihao | W | W+R | Fox Weiqi Research Society | |
| 2026-05-10 | Gu Lingyi | B | B+R | MLily Cup | Preliminary |
| 2026-05-04 | Chen Xian | B | B+R | Fox Weiqi Research Society | |
| 2026-04-15 | Huang Yunsong | B | W+R | Fox Weiqi Research Society | |
| 2026-04-15 | Zhao Chenyu | B | W+R | Fox Weiqi Research Society | |
| 2026-04-15 | Yang Kaiwen | B | W+R | Fox Weiqi Research Society | |
| 2026-04-15 | Xie Ke | W | W+R | Fox Weiqi Research Society | |
| 2026-02-25 | Song Kyu-sang | W | B+R | Korean Strongest Player | Preliminary |
| 2026-01-30 | Park Jihyun | W | B+R | KB Baduk League | League |
| 2026-01-24 | Lee Ji-hyun M | W | B+3.5 | KB Baduk League | League |
| 2026-01-18 | Pak Min-kyu | B | W+5.5 | KB Baduk League | League |
| 2026-01-08 | Hong Seong-chi | B | B+R | Korean Baduk League | League |
| 2026-01-05 | Han T'ae-heui | W | B+R | Korean Baduk League | Round 9 |