Park, Geon-Wook
Current rating: 1757 (#3555)
Record: 40-27-4
| Regional Championships Aichi 2023 (pioneer) | starting rating: 1656 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 99 | Tezuka, Yu (1332) | Draw 1-1 | -51651 |
| 2pioneer | 61 | Terasawa, Yu (1687) | Won 2-1 | +181669 |
| 3pioneer | 30 | Matsuura, Takumi (1989) | Lost 1-2 | -121657 |
| 4pioneer | 61 | Tanahashi, Masayasu (1769) | Won 2-1 | +201677 |
| 5pioneer | 38 | Inoue, Toru (2100) | Won 2-0 | +251702 |
| 6pioneer | 22 | Onizuka, Hiroshi (1667) | Won 2-0 | +171719 |
| 7pioneer | 13 | Oiso, Kenji (1906) | Lost 0-2 | -141705 |
| 8pioneer | 29 | Yamagata, Hiroki (1550) | Won 1-0 | +151720 |
| 9pioneer | 17 | Igarashi, Junpei (1636) | Won 2-0 | +171737 |
| 10pioneer | 11 | Ishiguro, Satoshi (1747) | Won 2-1 | +181755 |
| 11pioneer | 7 | Sakai, Tatsuya (1716) | Won 2-0 | +171772 |
| 12pioneer | 5 | Hosokawa, Yuya (1957) | Lost 1-2 | -151757 |
| top | average opponent: 1755record: 8-3-1 | new rating: 1757 | ||
| Regional Championships Yokohama 2023 (ONE standard) | starting rating: 1669 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 35 | Horie, Masashi (1500) | Lost 0-2 | -211648 |
| 2standard | 67 | Akiyama, Taichi (1489) | Lost 0-2 | -211627 |
| 3standard | 95 | Imada, Koji (1355) | Lost 0-2 | -231604 |
| 4standard | 90 | Hirokawa, Ryouji (1492) | Won 2-0 | +161620 |
| 5standard | 72 | Yanase, Kaname (1710) | Draw 1-1 | +21622 |
| 6standard | 70 | hara, aoi (1477) | Won 2-1 | +151637 |
| 7standard | 61 | Tanji, Kensuke (1691) | Won 2-0 | +191656 |
| top | average opponent: 1530record: 3-3-1 | new rating: 1656 | ||
| Regional Championships Aichi 2022 (pioneer) | starting rating: 1628 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 97 | Hori, Masataka (1780) | Lost 1-2 | -151613 |
| 2pioneer | 88 | Horiuchi, Makoto (1841) | Lost 1-2 | -141599 |
| 3pioneer | 77 | Yoshigoe, Hisamichi (1614) | Won 2-1 | +181617 |
| 4pioneer | 68 | Yokokawa, Yuta (1403) | Won 2-0 | +141631 |
| 5pioneer | 63 | Nakamura, Koki (1463) | Won 2-1 | +151646 |
| 6pioneer | 40 | Sakata, Naoya (1600) | Won 2-1 | +171663 |
| 7pioneer | 32 | Kondo, Koki (1551) | ID | 01663 |
| 8pioneer | 21 | Inoue, Toru (2030) | Won 2-0 | +251688 |
| 9pioneer | 15 | Takeo, Kai (1599) | Draw 1-1 | -21686 |
| 10pioneer | 20 | Noine, Kazuhiro (1896) | Won 2-0 | +221708 |
| 11pioneer | 15 | Okamura, Marei (1617) | Lost 1-2 | -201688 |
| 12pioneer | 20 | Onoda, Kenji (1628) | Lost 0-2 | -191669 |
| top | average opponent: 1669record: 6-4-2 | new rating: 1669 | ||
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1642 | |||
| round | table | opponent (rating) | result | Δrating |
| 3pioneer | 184 | Oda, Ryota (1534) | Lost 0-2 | -201622 |
| 4pioneer | 475 | Hiroi, Genki (1704) | Lost 1-2 | -171605 |
| 5pioneer | 557 | Mukai, Kuniteru (1351) | Won 2-1 | +141619 |
| 6pioneer | 507 | Koike, Tomoyuki (1350) | Lost 1-2 | -231596 |
| 7pioneer | 427 | Fujii, Akira (1489) | Won 2-1 | +161612 |
| 8pioneer | 306 | Fauquenoi, Noe (1493) | Won 2-0 | +161628 |
| top | average opponent: 1487record: 3-3 | new rating: 1628 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1649 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 87 | Kondo, Shogo (1678) | Won 2-0 | +181667 |
| 4standard | 145 | Motoya, Toru (1387) | Lost 1-2 | -231644 |
| 5standard | 149 | Takawashi, Kenji (1575) | Lost 0-2 | -191625 |
| 6standard | 296 | Harada, Masato (1561) | Won 2-1 | +171642 |
| 7standard | 258 | Kaneko, Masayuki3656 (1850) | Lost 1-2 | -141628 |
| 8standard | 358 | Imai, Chisato (1412) | Won 2-1 | +141642 |
| top | average opponent: 1577record: 3-3 | new rating: 1642 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 269 | Karasawa, Ryuichi (1838) | Won 2-0 | +241551 |
| 3sealed | 311 | Han, Bing (1951) | Lost 1-2 | -111540 |
| 4sealed | 459 | Zhong, Zhenming (1624) | Lost 1-2 | -171523 |
| 5sealed | 713 | Kaneko, Satoru (1528) | Won 2-0 | +181541 |
| 6sealed | 368 | Seike, Makoto (1559) | Won 2-1 | +181559 |
| 7sealed | 416 | Omiya, Takahiro (1584) | Won 2-1 | +191578 |
| 8sealed | 185 | Fukuyama, Kyohei (1563) | Won 2-0 | +181596 |
| 9sealed | 127 | Naitou, Keisuke (1713) | Won 2-1 | +201616 |
| 10draft | 75 | Fujita, Osamu (1819) | Won 2-0 | +211637 |
| 11draft | 21 | Shimoyama, Masatoshi (1675) | Won 2-0 | +191656 |
| 12draft | 153 | Nakamura, Keisuke (1799) | Draw 1-1 | +31659 |
| 13draft | 61 | Takeshita, Toru (1820) | Won 2-1 | +211680 |
| 14draft | 56 | Nose, Koji (1828) | Lost 0-2 | -161664 |
| 15draft | 45 | Nakamura, Keisuke (1795) | Lost 0-2 | -151649 |
| top | average opponent: 1721record: 9-4-1 | new rating: 1649 | ||
| Grand Prix Taipei 2019 (WAR standard) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 165 | Asinas, Rudi Jason (1793) | Lost 1-2 | -141530 |
| 3standard | 409 | Lin, Charlie (1474) | Won 2-1 | +171547 |
| 4standard | 175 | Lu, Po-Heng (1501) | Won 2-1 | +171564 |
| 5standard | 130 | Hirayama, Shigetaka (1699) | Lost 1-2 | -151549 |
| 6standard | 273 | See, Spencer (1477) | Lost 0-2 | -191530 |
| 7standard | 267 | Kukino, Yudai (1471) | Lost 1-2 | -201510 |
| 8standard | 291 | Chew, Melvin (1437) | Won 2-1 | +171527 |
| top | average opponent: 1550record: 3-4 | new rating: 1527 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 124 | Oshima, Yuki (1599) | Won 2-0 | +201520 |
| 2standard | 393 | Sugiyama, Yuya (1778) | Lost 0-2 | -141506 |
| 3standard | 616 | Kakehi, Takuma (1456) | Won 2-0 | +181524 |
| 4standard | 659 | Matsubara, Tohru (1764) | Won 2-0 | +221546 |
| 5standard | 447 | Gotoda, Keigo (1538) | Lost 0-2 | -181528 |
| 6standard | 337 | Seo, Kenta (1596) | Lost 0-2 | -171511 |
| 7standard | 547 | Uchiyama, Kouichi (1338) | Won 2-1 | +151526 |
| 8standard | 335 | Munakata, Shohei (1525) | Won 2-0 | +181544 |
| top | average opponent: 1574record: 5-3 | new rating: 1544 | ||