Park, Bi-O
Current rating: 1823 (#1681)
Record: 85-52-3 (GP) / 6-7 (professional)
Grand Prix Beijing 2013Grand Prix Hong Kong 2013Grand Prix Nagoya 2014Grand Prix Manila 2015Grand Prix Chiba 2015Grand Prix Hong Kong 2015Grand Prix Nagoya 2016Grand Prix Tokyo 2016Grand Prix Kuala Lumpur 2016Grand Prix Kobe 2017Pro Tour Hour of DevastationGrand Prix Denver 2017Grand Prix Beijing 2018Grand Prix Las Vegas 2018 (modern)Grand Prix Hong Kong 2018
| Grand Prix Hong Kong 2018 (modern) | starting rating: 1888 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 123 | Asai, Ikuya (1600) | Won 2-1 | +131901 |
| 4modern | 102 | He, Zhen (1535) | Won 2-0 | +121913 |
| 5modern | 13 | Ohki, Tatsuhiko (1858) | Lost 0-2 | -191894 |
| 6modern | 32 | Li, Jiaze (1616) | Lost 0-2 | -231871 |
| 7modern | 110 | Ru, Yi (1576) | Lost 0-2 | -231848 |
| 8modern | 149 | Lim, Lawrence (1466) | Lost 1-2 | -251823 |
| top | average opponent: 1609record: 2-4 | new rating: 1823 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1801 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 411 | Williams, Stephen (1508) | Won 2-1 | +131814 |
| 4modern | 6 | Ozaki, Zax (1844) | Lost 1-2 | -181796 |
| 5modern | 351 | Schmidt, Tyler (1588) | Lost 0-2 | -211775 |
| 6modern | 459 | Nguyen, Philip (1478) | Won 2-0 | +121787 |
| 7modern | 306 | Jacques, Zachary (1400) | Won 2-0 | +121799 |
| 8modern | 194 | Murata, Tony (1680) | Won 2-0 | +151814 |
| 9modern | 5048 | Smyth, Jason (1831) | Won 2-0 | +191833 |
| 10modern | 5124 | Deitle, Sam (1588) | Won 2-0 | +131846 |
| 11modern | 5065 | Wilson, Nick (1588) | Won 2-0 | +141860 |
| 12modern | 5051 | Federico, Kevin (1702) | Lost 0-2 | -211839 |
| 13modern | 5074 | Purcell, Luke (1876) | Won 2-1 | +191858 |
| 14modern | 5055 | Hyman, Sam (1667) | Won 2-1 | +141872 |
| 15modern | 5036 | Popoff, Evan (1777) | Won 2-1 | +161888 |
| top | average opponent: 1656record: 10-3 | new rating: 1888 | ||
| Grand Prix Beijing 2018 (DOM limited) | starting rating: 1858 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 119 | Nose, Shunsuke (1888) | Won 2-1 | +191877 |
| 4sealed | 64 | Matsumoto, Fumiya (1864) | Lost 0-2 | -181859 |
| 5sealed | 119 | Long, Bin (1575) | Lost 0-2 | -231836 |
| 6sealed | 223 | Ouyang, Haoyu (1540) | Lost 1-2 | -241812 |
| 7sealed | 247 | Yang, Xu (1474) | Lost 1-2 | -241788 |
| 8sealed | 253 | Jin, Tao (1481) | Won 2-0 | +131801 |
| top | average opponent: 1637record: 2-4 | new rating: 1801 | ||
| Grand Prix Denver 2017 (HOU standard) | starting rating: 1907 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 132 | Kiyonaga, Adam (1393) | Won 2-0 | +91916 |
| 4standard | 61 | Buchanan, Drew (1424) | Lost 0-2 | -261890 |
| 5standard | 244 | Cressman, Daniel (1536) | Won 2-0 | +121902 |
| 6standard | 98 | Maldonado, Bear (1556) | Won 2-1 | +121914 |
| 7standard | 95 | Groesbeck, Alex (1648) | Lost 1-2 | -231891 |
| 8standard | 168 | John, Julian (1662) | Won 2-1 | +141905 |
| 9standard | 65 | Khanin, Alex (1663) | Lost 0-2 | -221883 |
| 10standard | 173 | Evans, Thomas (1739) | Won 2-0 | +151898 |
| 11standard | 97 | Anderson, William (1676) | Won 2-1 | +141912 |
| 12standard | 52 | Lam, Bryan (1661) | Lost 1-2 | -231889 |
| 13standard | 61 | Donnan, Blake (1626) | Lost 1-2 | -221867 |
| 14standard | 102 | Desangles, Anthony (1696) | Won 2-1 | +151882 |
| 15standard | 93 | Oleksy, Bobby (1577) | Lost 1-2 | -241858 |
| top | average opponent: 1604record: 7-6 | new rating: 1858 | ||
| Pro Tour Hour of Devastation (HOU standard) | starting rating: 1948 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 217 | Heine, Brian (1705) | Won 2-0 | +141962 |
| 2draft | 31 | Yeh, Chih-Cheng (1966) | Lost 0-2 | -181944 |
| 3draft | 85 | Turtenwald, Owen (2135) | Won 2-1 | +211965 |
| 4standard | 55 | Kobayasi, Tomoya (1612) | Lost 0-2 | -241941 |
| 5standard | 110 | Ishimura, Shintaro (1976) | Lost 1-2 | -171924 |
| 6standard | 177 | Hohns, Bryan (1646) | Lost 0-2 | -231901 |
| 7standard | 162 | Lee, Anthony (1821) | Won 2-0 | +161917 |
| 8standard | 155 | Garcia-Romo, Andy (1473) | Won 2-0 | +111928 |
| 9draft | 139 | Pisano, Rob (1853) | Won 2-0 | +161944 |
| 10draft | 125 | Wu, Allen (2214) | Won 2-0 | +231967 |
| 11draft | 31 | Cuillier, Paul (1829) | Lost 1-2 | -211946 |
| 12standard | 93 | Freedman, Henry (1802) | Lost 1-2 | -201926 |
| 13standard | 89 | Nose, Shunsuke (1870) | Lost 0-2 | -191907 |
| top | average opponent: 1839record: 6-7 | new rating: 1907 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1806 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 171 | Takahashi, Kei (1610) | Won 2-1 | +141820 |
| 4modern | 317 | Nomura, Takashi (1586) | Won 2-0 | +141834 |
| 5modern | 117 | Bang, Sangmun (1566) | Won 2-1 | +131847 |
| 6modern | 48 | Mashima, Mitsuharu (1781) | Won 2-0 | +171864 |
| 7modern | 3 | Wakai, Kiyohito (1585) | Won 2-0 | +131877 |
| 8modern | 15 | Imaizumi, Riku (1603) | Won 2-0 | +131890 |
| 9modern | 10 | Sakamoto, Genta (1600) | Lost 0-2 | -231867 |
| 10modern | 32 | Deng, Yunan (1661) | Won 1-0 | +141881 |
| 11modern | 24 | Saijo, Yuichi (1887) | Won 2-1 | +181899 |
| 12modern | 5 | Lee, Kun-Hsin (1678) | Won 2-1 | +141913 |
| 13modern | 6 | Tamada, Ryoichi (1819) | Won 2-0 | +171930 |
| 14modern | 4 | Murae, Ryuji (1919) | Won 2-0 | +171947 |
| 15modern | 2 | Chiba, Akio (2120) | ID | 01947 |
| Qmodern | Tamada, Ryoichi (1835) | Won 2-1 | +161963 | |
| Smodern | Soh, Joe (2100) | Lost 0-2 | -151948 | |
| top | average opponent: 1757record: 12-2-1 | new rating: 1948 | ||
| Grand Prix Kuala Lumpur 2016 (KLD standard) | starting rating: 1725 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 37 | Tan, Richmond (1774) | Won 0-0 | +191744 |
| 4standard | 1 | Li, Maxwell (1709) | Won 2-0 | +171761 |
| 5standard | 19 | Pinyo, Wathanyu (1617) | Lost 0-2 | -211740 |
| 6standard | 67 | Ong, Shu Liang (1458) | Won 2-0 | +131753 |
| 7standard | 28 | Albaran, Noriel (1458) | Lost 1-2 | -231730 |
| 8standard | 47 | James, Nicholas (1672) | Won 2-0 | +171747 |
| 9standard | 56 | Takahashi, Zen (2014) | Won 2-0 | +231770 |
| 10standard | 16 | Lou, Violet (1658) | Lost 1-2 | -201750 |
| 11standard | 71 | Naide, Kazutaka (1728) | Won 2-1 | +171767 |
| 12standard | 37 | Bayrante, Albert (1549) | Won 2-0 | +151782 |
| 13standard | 603 | Song, Kaizheng (1649) | Won 2-1 | +151797 |
| 14standard | 11 | Nakamura, Shuhei (2094) | Won 2-1 | +231820 |
| 15standard | 8 | Lim, Zhong Yi (1998) | Lost 0-2 | -141806 |
| top | average opponent: 1721record: 9-4 | new rating: 1806 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1626 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 359 | Gou, Makoto (1524) | Won 2-1 | +161642 |
| 4standard | 360 | Tabata, Hiroki (1556) | Won 2-0 | +161658 |
| 5standard | 123 | Takeuchi, Ryota (1987) | Won 2-0 | +241682 |
| 6standard | 21 | Ainai, Taku (1555) | Won 2-0 | +161698 |
| 7standard | 2 | Chiba, Takato (1631) | Won 2-0 | +171715 |
| 8standard | 18 | Park, Hyun Woong (1541) | Won 2-0 | +141729 |
| 9standard | 5 | Kumazawa, Tadayuki (1650) | Lost 0-2 | -191710 |
| 10standard | 9 | Nakai, Sunao (1841) | Lost 0-2 | -161694 |
| 11standard | 109 | Kobayashi, Hiroya (1608) | Won 2-1 | +171711 |
| 12standard | 66 | Tanehashi, Shigeharu (1452) | Won 2-1 | +131724 |
| 13standard | 33 | Saida, Toshihiro (1680) | Draw 1-1 | -11723 |
| 14standard | 31 | Hara, Yusuke (1802) | Draw 1-1 | +21725 |
| 15standard | 54 | Itou, Motoaki (1915) | ID | 01725 |
| top | average opponent: 1673record: 8-2-3 | new rating: 1725 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1650 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 382 | Date, Tsutomu (1603) | Won 2-0 | +171667 |
| 4sealed | 181 | Okumura, Yuji (1737) | Lost 1-2 | -171650 |
| 5sealed | 546 | Yanou, Tomiyuki (1536) | Won 2-0 | +161666 |
| 6sealed | 128 | Nakazono, Kouya (1593) | Lost 0-2 | -191647 |
| 7sealed | 503 | Nakashima, Ryo (1522) | Won 2-1 | +161663 |
| 8sealed | 267 | Yamada, Hiroki (1611) | Lost 0-2 | -191644 |
| 9sealed | 333 | Misumi, Kyouhei (1639) | Lost 1-2 | -181626 |
| top | average opponent: 1606record: 3-4 | new rating: 1626 | ||
| Grand Prix Hong Kong 2015 (ORI limited) | starting rating: 1698 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 90 | Wijaya, Christian (1561) | Lost 0-2 | -201678 |
| 4sealed | 153 | Wang, Ye Ting (1517) | Won 2-0 | +151693 |
| 5sealed | 177 | Leung, Victor (1507) | Lost 1-2 | -211672 |
| 6sealed | 187 | Woo, Nicky (1473) | Lost 1-2 | -221650 |
| top | average opponent: 1515record: 1-3 | new rating: 1650 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1665 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 179 | Nakamura, Taiki9361 (1534) | Won 2-0 | +151680 |
| 4sealed | 85 | Matsubara, Hidenori (1550) | Won 2-0 | +161696 |
| 5sealed | 45 | Arai, Kenichiro (1697) | Won 2-1 | +181714 |
| 6sealed | 1 | Kamiyama, Masayuki (1588) | Won 2-0 | +161730 |
| 7sealed | 12 | Suga, Hayato (1660) | Lost 1-2 | -201710 |
| 8sealed | 14 | Kokubun, Hiroshi (1739) | Won 2-0 | +191729 |
| 9sealed | 28 | Takahashi, Kazuya (1581) | Lost 0-2 | -211708 |
| 10draft | 180 | Lee, Benedict (1501) | Lost 0-2 | -221686 |
| 11draft | 115 | Ji, Kanghyun (1553) | Lost 1-2 | -201666 |
| 12draft | 53 | Shi, Xiang (1692) | Lost 1-2 | -181648 |
| 13draft | 26 | Beppu, Takashi (1540) | Won 2-1 | +161664 |
| 14draft | 14 | Arai, Yuusuke3019 (1536) | Won 2-1 | +161680 |
| 15draft | 159 | Sato, Keisuke (1690) | Won 2-1 | +181698 |
| top | average opponent: 1605record: 8-5 | new rating: 1698 | ||
| Grand Prix Manila 2015 (KTK standard) | starting rating: 1665 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 49 | Koh, Kai Che (1561) | Lost 0-2 | -201645 |
| 4standard | 297 | Castro, Eric V (1439) | Won 2-0 | +141659 |
| 5standard | 203 | Anuar, Khairul (1504) | Won 2-1 | +151674 |
| 6standard | 117 | Jaranilla, David (1555) | Lost 1-2 | -201654 |
| 7standard | 196 | Jose, Josef (1536) | Won 2-0 | +161670 |
| 8standard | 135 | Pagtakhan, Werick (1483) | Won 2-0 | +151685 |
| 9standard | 44 | De La Paz, Vitto Karlo (1573) | Lost 0-2 | -201665 |
| top | average opponent: 1522record: 4-3 | new rating: 1665 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 56 | Hayashi, Katsuji (1606) | Lost 1-2 | -171545 |
| 4sealed | 254 | Okada, Yuya (1521) | Won 2-0 | +181563 |
| 5sealed | 90 | Kurachi, Yuuya (1469) | Won 2-0 | +161579 |
| 6sealed | 44 | Nagaoka, Takayuki (1793) | Lost 0-2 | -141565 |
| 7sealed | 97 | Matsumura, Kentarou (1534) | Won 2-0 | +171582 |
| 8sealed | 68 | Khoo, Shawn (1706) | Won 2-1 | +201602 |
| 9sealed | 51 | Mohd Khairul Anuar, Abdul Aziz (1662) | Won 2-0 | +191621 |
| 10draft | 37 | Mii, Masayuki (1736) | Won 2-0 | +211642 |
| 11draft | 74 | Kokubun, Hiroshi (1618) | Won 2-1 | +171659 |
| 12draft | 64 | Wada, Yusuke (1631) | Won 2-0 | +181677 |
| 13draft | 35 | Hosokawa, Yuya (1777) | Won 2-1 | +191696 |
| 14draft | 51 | Oldziey, Kalim (1653) | Lost 0-2 | -181678 |
| 15draft | 25 | Matousek, Pavel (1960) | Lost 0-2 | -131665 |
| top | average opponent: 1667record: 9-4 | new rating: 1665 | ||
| Grand Prix Hong Kong 2013 (THS limited) | starting rating: 1583 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 29 | Yap, Mark Christopher (1669) | Lost 0-2 | -171566 |
| 4sealed | 270 | Wang, Lei (1467) | Won 2-0 | +171583 |
| 5sealed | 181 | Chui, Pak Fung (1538) | Lost 1-2 | -191564 |
| 6sealed | 261 | Ji, Ye (1437) | Won 2-1 | +161580 |
| 7sealed | 153 | Lai, Charles (1455) | Won 2-1 | +151595 |
| 8sealed | 137 | Murae, Ryuji (1776) | Lost 0-2 | -141581 |
| 9sealed | 153 | Ng, Kok Lim (1562) | Lost 1-2 | -191562 |
| top | average opponent: 1558record: 3-4 | new rating: 1562 | ||
| Grand Prix Beijing 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 80 | Liu, Yuchen (1796) | Won 2-0 | +231523 |
| 5sealed | 7 | Hou, Jian (1570) | Won 2-0 | +191542 |
| 6sealed | 22 | Gao, Yan (1597) | Won 2-0 | +191561 |
| 7sealed | 10 | Zhou, Quan (1675) | Draw 1-1 | +21563 |
| 8sealed | 6 | Wang, Guanyi (1608) | Won 2-0 | +191582 |
| 9sealed | 3 | Kositaporn, Nonthakorn (1646) | Lost 1-2 | -171565 |
| 10draft | 42 | Su, Xu (1818) | Lost 0-2 | -131552 |
| 11draft | 29 | Zhang, Yonggang (1704) | Lost 1-2 | -161536 |
| 12draft | 44 | liu, xing (1591) | Won 2-1 | +191555 |
| 13draft | 31 | Cho, Bu-Hong (1588) | Won 2-0 | +191574 |
| 14draft | 2 | Liang, Zhiyi (1647) | Won 2-1 | +191593 |
| 15draft | 17 | Lee, Shi Tian (2031) | Lost 1-2 | -101583 |
| top | average opponent: 1689record: 7-4-1 | new rating: 1583 | ||