O Yu-chin
Follow
549
Games
60%
Win rate
7
Titles
24–16
2026 Record
60.0%
Win Rate
40
Games
3L
Current Streak
As Black: 12/23 (52%)
As White: 12/17 (71%)
Best this year: 6W
Key rivalries
Choi Jeong
12–30
Kim Eun-chi
6–17
Kim Ch'ae-yeong
6–13
Yu Zhiying
10–9
Cho Seung-a
10–3
Wang Chenxing
9–4
Tournaments
Korean Women's League #12
Active
10W–6L
16 games
2026-09-19
League · Round 14, Match 4, Board 2 · Round 11, Match 1, Board 2 · Round 9, Match 2, Board 1 · Round 8, Match 2, Board 2 · Round 7, Match 1, Board 1 · Round 5, Match 4, Board 3 · Round 3, Match 2, Board 1 · Round 2, Match 3, Board 2
MOA Women's Best Player #6
Out
4W–2L
6 games
2026-06-08
Losers Bracket · Semifinal · Quarterfinal · Preliminary Final · Preliminary
Sh Suhyup Bank Cup Women's Championship #1
Out
3W–1L
4 games
2026-10-07
Semifinal · Quarterfinal · Round of 16 · Preliminary
Korea BLITZ Open
Out
2W–1L
3 games
2026-03-05
Quarterfinal · Round of 32 · Round of 16
GGAuction Cup #20
Out
1W–1L
2 games
2026-07-27
Preliminary
The Merriden Open #2
Out
1W–1L
2 games
2026-10-08
Round of 16 · Round of 32
Women's Kuksu #31
Out
1W–1L
2 games
2026-09-02
Quarterfinal · Round of 16
China-Korea Women's Top 5
Out
0W–1L
1 game
2026-05-04
Daebang Cup
Active
1W–0L
1 game
2026-02-09
GS Caltex Cup #31
Out
1W–0L
1 game
2026-01-05
Preliminaries
IBK Cup Women's World Masters #1
Out
0W–1L
1 game
2026-10-01
Round of 32
Tiantaishan Women's World Team Tournament #9
Out
0W–1L
1 game
2026-05-20
Game 1
Key Opponents in 2026
| Opponent | Games | Record | Split |
|---|---|---|---|
| Wu Yiming 🇨🇳 | 3 | 0–3 | |
| Kim Eun-chi 🇰🇷 | 3 | 1–2 | |
| Nakamura Sumire 🇯🇵 | 2 | 1–1 | |
| Kim Sin-yeong 🇰🇷 | 2 | 2–0 | |
| Cho Seungah | 2 | 2–0 | |
| Ueno Risa 🇯🇵 | 2 | 0–2 | |
| Pak T'ae-heui 🇰🇷 | 2 | 2–0 | |
| Kim Ta-yeong 🇰🇷 | 2 | 1–1 | |
| Kim Ch'ae-yeong 🇰🇷 | 2 | 1–1 | |
| Han Chong-chin 🇰🇷 | 1 | 0–1 |
Games
| Date | Opponent | Color | Result | Event | Round |
|---|---|---|---|---|---|
| 2026-10-08 | Han Chong-chin | B | W+R | The Merriden Open | Round of 16 |
| 2026-10-07 | Nakamura Sumire | B | W+R | Sh Suhyup Bank Cup Women's Championship | Semifinal |
| 2026-10-01 | Wu Yiming | W | B+R | IBK Cup Women's World Masters | Round of 32 |
| 2026-09-19 | Kim Eun-chi | B | B+R | Korean Women's League | League |
| 2026-09-18 | Yi Cheong-u | W | W+R | The Merriden Open | Round of 32 |
| 2026-09-17 | Li He | W | W+R | Korean Women's League | Round 14, Match 4, Board 2 |
| 2026-09-16 | Kim Sin-yeong | B | B+R | Sh Suhyup Bank Cup Women's Championship | Quarterfinal |
| 2026-09-10 | Cho Seungah | B | B+R | Korean Women's League | League |
| 2026-09-03 | Kim Hye-min | W | W+3.5 | Korean Women's League | League |
| 2026-09-02 | Heo Seohyun | W | B+R | Women's Kuksu | Quarterfinal |
| 2026-08-22 | Ueno Risa | W | B+R | Korean Women's League | Round 11, Match 1, Board 2 |
| 2026-08-22 | Ueno Risa | W | B+R | Korean Women's League | |
| 2026-08-15 | Pak T'ae-heui | B | B+R | Korean Women's League | League |
| 2026-08-07 | Yi Min-chin | B | W+R | Korean Women's League | Round 9, Match 2, Board 1 |
| 2026-08-05 | Cho Seungah | W | W+R | Sh Suhyup Bank Cup Women's Championship | Round of 16 |
| 2026-08-03 | Pak T'ae-heui | W | W+R | Women's Kuksu | Round of 16 |
| 2026-07-31 | Baek Yeojeong | B | B+R | Korean Women's League | Round 8, Match 2, Board 2 |
| 2026-07-27 | Paek Hong-seok | B | W+R | GGAuction Cup | |
| 2026-07-16 | Kim Eun-chi | W | B+R | Korean Women's League | Round 7, Match 1, Board 1 |
| 2026-07-14 | Kim Eun-seon | B | B+R | Sh Suhyup Bank Cup Women's Championship | Preliminary |
| 2026-07-12 | Cho Seung-a | W | W+R | Korean Women's League | League |
| 2026-07-05 | Jeong Yujin | B | W+R | Korean Women's League | Round 5, Match 4, Board 3 |
| 2026-06-28 | Kim Ta-yeong | B | B+R | Korean Women's League | League |
| 2026-06-19 | Kim Kyeongeun | B | B+R | Korean Women's League | Round 3, Match 2, Board 1 |
| 2026-06-13 | Wu Yiming | B | W+R | Korean Women's League | Round 2, Match 3, Board 2 |
| 2026-06-08 | Kim Ta-yeong | B | W+R | MOA Women's Best Player | |
| 2026-06-06 | Kim Ch'ae-yeong | B | B+R | Korean Women's League | |
| 2026-06-02 | Nakamura Sumire | W | W+R | MOA Women's Best Player | Losers Bracket |
| 2026-05-30 | Kim Eun-chi | B | W+R | MOA Women's Best Player | Semifinal |
| 2026-05-20 | Wu Yiming | B | W+R | Tiantaishan Women's World Team Tournament | Game 1 |
| 2026-05-07 | Kim Kyeong-eun | B | B+R | MOA Women's Best Player | Quarterfinal |
| 2026-05-04 | Yu Zhiying | B | W+0.5 | China-Korea Women's Top 5 | |
| 2026-04-20 | Yi Seo-yeong | W | W+R | GGAuction Cup | Preliminary |
| 2026-04-19 | Kim Sin-yeong | W | W+R | MOA Women's Best Player | Preliminary Final |
| 2026-03-26 | Kweon Hyo-chin (f) | W | W+R | MOA Women's Best Player | Preliminary |
| 2026-03-05 | Kim Ch'ae-yeong | B | W+R | Korea BLITZ Open | Quarterfinal |
| 2026-02-20 | Ch'oe Seo-pi | B | B+R | Korea BLITZ Open | Round of 32 |
| 2026-02-20 | Kim Hyeon-seok | W | W+R | Korea BLITZ Open | Round of 16 |
| 2026-02-09 | Ch'oe Myeong-hun | W | W+3.5 | Daebang Cup | |
| 2026-01-05 | Yi Chae-seong | B | B+0.5 | GS Caltex Cup | Preliminaries |