Weon Seong-chin
Follow
878
Games
55%
Win rate
4
Titles
16–19
2025 Record
45.7%
Win Rate
35
Games
3W
Best Streak
As Black: 9/21 (43%)
As White: 7/14 (50%)
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
Korean Baduk League
8W–9L
17 games
2025-12-21
League · Round 2 · Round 6 · Round 5 · Round 4 · Round 3 · Round 1 · Round 7
Quzhou Lanke Cup World Open #3
Out
3W–2L
5 games
2025-10-08
Round 3 · Round of 16 · Round 2 · Round 1 · Preliminaries
GS Caltex Cup #30
Out
1W–2L
3 games
2025-05-15
Losers' Section, Round 2 · Round 2 · Round 1
Sh Suhyup Bank Fisheries Team vs Women W&C
2W–1L
3 games
2025-01-14
Round 2, Game 3 · Round 2, Game 2 · Round 2, Game 1
Kuksu Mountains International Baduk Championship
Out
1W–1L
2 games
2025-07-29
Korean qualifier
LG Cup World Baduk Championship #30
Out
1W–1L
2 games
2025-04-30
Korean qualifier · Preliminaries
Maxim Cup #26
Out
0W–1L
1 game
2025-01-20
Round 1
Nongshim Cup #27
Out
0W–1L
1 game
2025-07-12
Korean qualifier
Samsung Cup World Open #30
Out
0W–1L
1 game
2025-08-23
Integrated Preliminary
Key Opponents in 2025
| Opponent | Games | Record | Split |
|---|---|---|---|
| Kim Eun-chi 🇰🇷 | 4 | 2–2 | |
| Kim Myeong-hun 🇰🇷 | 2 | 0–2 | |
| Wang Shiyi 🇨🇳 | 2 | 0–2 | |
| Yi Chi-hyeon (m) 🇰🇷 | 2 | 0–2 | |
| Pak Ha-min 🇰🇷 | 1 | 0–1 | |
| Kang Yu-t'aek 🇰🇷 | 1 | 0–1 | |
| Kim Seung-chin 🇰🇷 | 1 | 0–1 | |
| O Pyeong-u 🇰🇷 | 1 | 1–0 | |
| Ch'oe Kwang-ho 🇰🇷 | 1 | 1–0 | |
| Ch'oe Chae-yeong 🇰🇷 | 1 | 1–0 |
Games
| Date | Opponent | Color | Result | Event | Round |
|---|---|---|---|---|---|
| 2025-12-21 | Pak Ha-min | B | W+R | Korean Baduk League | League |
| 2025-12-14 | Kang Yu-t'aek | B | W+R | Korean Baduk League | League |
| 2025-12-06 | Kim Seung-chin | B | W+1.5 | Korean Baduk League | League |
| 2025-11-20 | O Pyeong-u | B | B+R | Korean Baduk League | League |
| 2025-11-06 | Ch'oe Kwang-ho | B | B+R | Korean Baduk League | League |
| 2025-11-01 | Ch'oe Chae-yeong | B | B+R | Korean Baduk League | Round 2 |
| 2025-10-23 | Kim Myeong-hun | B | W+R | Korean Baduk League | League |
| 2025-10-08 | Wang Shiyi | W | B+1.5 | Quzhou Lanke Cup World Open | Round 3 |
| 2025-10-08 | Wang Shiyi | W | B+0.5 | Quzhou Lanke Cup World Open | Round of 16 |
| 2025-08-23 | Tuo Jiaxi | W | B+1.5 | Samsung Cup World Open | Integrated Preliminary |
| 2025-07-29 | Pak Hyeon-su | B | W+R | Kuksu Mountains International Baduk Championship | Korean qualifier |
| 2025-07-28 | Hong Mu-chin | B | B+1.5 | Kuksu Mountains International Baduk Championship | Korean qualifier |
| 2025-07-12 | Kim Eun-chi | W | B+0.5 | Nongshim Cup | Korean qualifier |
| 2025-07-02 | Tu Xiaoyu | B | B+R | Quzhou Lanke Cup World Open | Round 2 |
| 2025-07-01 | Han Moyang | W | W+R | Quzhou Lanke Cup World Open | Round 1 |
| 2025-06-29 | Tong Mengcheng | W | W+R | Quzhou Lanke Cup World Open | Preliminaries |
| 2025-05-15 | Park Junghwan | B | W+R | GS Caltex Cup | Losers' Section, Round 2 |
| 2025-04-30 | Yi Weon-to | B | W+R | LG Cup World Baduk Championship | Korean qualifier |
| 2025-04-28 | Mok Chin-seok | W | W+R | LG Cup World Baduk Championship | Preliminaries |
| 2025-04-25 | Yi Chi-hyeon (m) | W | B+R | GS Caltex Cup | Round 2 |
| 2025-04-03 | An Sungjoon | B | B+0.5 | Korean Baduk League | |
| 2025-03-22 | Jin Yucheng | B | B+R | Korean Baduk League | Round 6 |
| 2025-03-13 | Kim Myeong-hun | B | W+R | Korean Baduk League | Round 5 |
| 2025-03-09 | Kang Dongyun | B | W+R | Korean Baduk League | Round 4 |
| 2025-03-07 | Han Seung-chu | W | W+R | GS Caltex Cup | Round 1 |
| 2025-03-02 | Byun Sangil | B | B+R | Korean Baduk League | Round 3 |
| 2025-02-20 | Ryu Min-hyeong | W | W+R | Korean Baduk League | |
| 2025-02-13 | Kim Ch'ae-yeong | W | B+R | Korean Baduk League | Round 1 |
| 2025-01-24 | Sim Chae-ui | W | W+R | Korean Baduk League | Round 7 |
| 2025-01-20 | Na Hyeon | B | W+R | Maxim Cup | Round 1 |
| 2025-01-17 | Yi Chi-hyeon (m) | B | W+R | Korean Baduk League | |
| 2025-01-14 | Kim Eun-chi | W | W+R | Sh Suhyup Bank Fisheries Team vs Women W&C | Round 2, Game 1 |
| 2025-01-14 | Kim Eun-chi | B | B+R | Sh Suhyup Bank Fisheries Team vs Women W&C | Round 2, Game 3 |
| 2025-01-14 | Kim Eun-chi | B | W+R | Sh Suhyup Bank Fisheries Team vs Women W&C | Round 2, Game 2 |
| 2025-01-02 | Song Chi-hun | W | B+R | Korean Baduk League | Round 4 |