Yoon Seong-Won
Place: Seoul, South Korea
Rating: 2067.44, Std: 205.70, Rank: 493
First game: 2006-08-15, Last game: 2018-07-22
Top rating: 2067.44 (2018-07-22)
Games: 20, Wins: 6, Draws: 3, Losses: 11
Gy1: 0, Gy2: 0, Gy5: 4
| The 3rd Korea Tournament | ||||
|---|---|---|---|---|
| Date | 2018-07-22 | Rating | 2067.44 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Han Tae-ho | 2289.14 |
| 2 | White | Win | Choi Chang-in | 1726.33 |
| 3 | White | Win | Han Jin-ea | 1872.51 |
| SQF | White | Loss | Choi Eun-seo | 2149.82 |
| Korea-Estonia Friendship Tournament | ||||
| Date | 2017-07-30 | Rating | 2060.37 | |
| Round | Color | Result | Opponent | |
| 4 | White | Win | Lee Sae-gang | 2047.53 |
| 5 | Black | Loss | Soosõrv Ants | 2679.14 |
| The 6th Best of Best Match | ||||
| Date | 2006-12-03 | Rating | 1852.12 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Chang Jae-Won | 2017.73 |
| 2 | Black | Win | Byeon En-Seob | 1795.24 |
| 3 | White | Loss | Kim Su Chan | 2126.98 |
| 4 | Black | Loss | Choi Yun Suk | 2255.75 |
| 5 | White | Loss | Kim Byoung-Jun | 2470.24 |
| The 19th Ranking Tournament | ||||
| Date | 2006-11-26 | Rating | 1851.30 | |
| Round | Color | Result | Opponent | |
| 3 | Black | Win | Park Jong-Seon | 1654.43 |
| Asian Championship | ||||
| Date | 2006-08-15 | Rating | 1837.40 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Okabe Hiroshi | 2571.81 |
| 2 | Black | Loss | Kuramoto Hideharu | 1858.88 |
| 3 | Black | Loss | Chang Kyoung-Jun | 1966.66 |
| 4 | White | Draw | Cha Jee-Young | 1702.37 |
| 5 | Black | Loss | Kwon Jae-Woo | 1891.08 |
| 6 | Black | Draw | Kang Bo-Ra | 1747.74 |
| 7 | White | Loss | Chang Jae-Won | 2015.06 |
| 8 | Black | Loss | Kubo Izumi | 2088.47 |