Lee, Jaejeong
Current rating: 1495
Record: 27-26-1 (GP) / 2-4 (professional)
| Regional Championships Aichi 2023 (pioneer) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 40 | Inaba, Kousuke (1466) | Won 2-1 | +161548 |
| 2pioneer | 25 | Nishihara, Koya (1524) | Lost 0-2 | -181530 |
| 3pioneer | 37 | Ishiguro, Satoshi (1687) | Lost 1-2 | -151515 |
| 4pioneer | 100 | Yamada, Yoshitaka (1410) | Lost 1-2 | -201495 |
| top | average opponent: 1522record: 1-3 | new rating: 1495 | ||
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1566 | |||
| round | table | opponent (rating) | result | Δrating |
| 3pioneer | 2 | Araki, Youhei (1471) | Lost 1-2 | -201546 |
| 4pioneer | 260 | Inagaki, Yukihiro (1606) | Won 2-1 | +191565 |
| 5pioneer | 290 | Miyawaki, Takeshi (1621) | Lost 1-2 | -171548 |
| 6pioneer | 449 | Yamada, Yasushi (1645) | Lost 0-2 | -161532 |
| top | average opponent: 1586record: 1-3 | new rating: 1532 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1626 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 368 | Fujita, Toshitake (1463) | Lost 0-2 | -211605 |
| 3sealed | 663 | Akashi, Takuma (1503) | Lost 1-2 | -201585 |
| 4sealed | 855 | Muta, Yutaro (1485) | Lost 0-2 | -191566 |
| top | average opponent: 1484record: 0-3 | new rating: 1566 | ||
| Grand Prix Minneapolis 2018 (M19 limited) | starting rating: 1614 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 24 | Pham, Nhi (1624) | Won 2-1 | +181632 |
| 3sealed | 3 | Richey, Richard (1703) | Lost 1-2 | -171615 |
| 4sealed | 319 | Gilbertson, Peter (1493) | Won 2-0 | +161631 |
| 5sealed | 219 | Dettmann, Aaron (1659) | Lost 0-2 | -171614 |
| 6sealed | 270 | Hampton, Chris (1525) | Won 2-0 | +161630 |
| 7sealed | 258 | Rose, Travis (1503) | Won 2-1 | +161646 |
| 8sealed | 111 | Watson, Dane (1564) | Lost 1-2 | -201626 |
| top | average opponent: 1582record: 4-3 | new rating: 1626 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1603 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 129 | Shirakawa, Ryoichi (1521) | Lost 0-2 | -201583 |
| 3sealed | 719 | Hosoda, Masamitsu (1503) | Won 2-0 | +171600 |
| 4sealed | 316 | Yamada, Shuusuke (1555) | Won 2-0 | +171617 |
| 5sealed | 314 | Tomioka, Teppei (1541) | Lost 1-2 | -191598 |
| 6sealed | 474 | Ding, Yi (1739) | Won 2-1 | +201618 |
| 7sealed | 362 | Shimada, Yuuya (1506) | Lost 1-2 | -201598 |
| 8sealed | 370 | Yoshimura, Wataru (1466) | Won 2-1 | +161614 |
| top | average opponent: 1547record: 4-3 | new rating: 1614 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 500 | Lau, Zac (1500) | Won 2-0 | +171537 |
| 2sealed | 401 | Iwamoto, Nobuyuki (1754) | Draw 1-1 | +41541 |
| 3sealed | 539 | Sugiyama, Kouichi (1359) | Won 2-1 | +151556 |
| 4sealed | 317 | Ito, Keigo (1631) | Lost 0-2 | -171539 |
| 5sealed | 549 | Tomita, Naoki (1638) | Lost 0-2 | -161523 |
| 6sealed | 750 | Iso, Toshiharu (1498) | Won 2-1 | +181541 |
| 7sealed | 544 | Noguchi, Ichiro (1519) | Won 2-0 | +171558 |
| 8sealed | 395 | Umeyama, Yuuichi (1631) | Won 2-1 | +191577 |
| 9sealed | 252 | Ganz, Andreas (1804) | Won 2-0 | +231600 |
| 10draft | 42 | Neki, Haruyuki (1545) | Lost 1-2 | -191581 |
| 11draft | 43 | Kokubun, Takeshi (1732) | Won 2-1 | +201601 |
| 12draft | 41 | Arakane, Daisuke (1585) | Lost 1-2 | -181583 |
| 13draft | 62 | Lunghi, Jacopo (1725) | Won 2-1 | +211604 |
| 14draft | 276 | Oikawa, Ryusuke (1623) | Lost 1-2 | -181586 |
| 15draft | 210 | Date, Tsutomu (1527) | Won 2-0 | +171603 |
| top | average opponent: 1605record: 9-5-1 | new rating: 1603 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 31 | Matsumura, Kentarou (1500) | Won 2-1 | +181510 |
| 2sealed | 129 | Isayama, Yusuke (1603) | Lost 0-2 | -161494 |
| 3sealed | 270 | Juumonji, Ryou (1826) | Won 2-1 | +241518 |
| 4sealed | 123 | Umehara, Kei (1612) | Lost 0-2 | -161502 |
| 5sealed | 260 | Hanano, Tetsuaki (1516) | Won 2-1 | +181520 |
| 6sealed | 125 | Sekine, Naoto (1650) | Won 2-0 | +201540 |
| 7sealed | 84 | Choo, Ida Maria (1392) | Lost 1-2 | -201520 |
| top | average opponent: 1585record: 4-3 | new rating: 1520 | ||
| Grand Prix Paris 2011 (MBS limited) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1056 | Tumpach, Markus (1423) | Won 2-0 | +171486 |
| 2sealed | 1111 | Cabrit, Nicolas (1520) | Lost 1-2 | -171469 |
| 3sealed | 1155 | Robinson, Thomas (1449) | Lost 0-2 | -191450 |
| 4sealed | 1260 | Prosper, Philippe (1648) | Won 2-1 | +221472 |
| 5sealed | 1226 | Gillet, Aurelien (1525) | Won 2-0 | +191491 |
| 6sealed | 1192 | Pedan, Sergey (1467) | Won 2-1 | +181509 |
| 7sealed | 1080 | Smith, Chris [IRL] (1604) | Lost 0-2 | -171492 |
| top | average opponent: 1519record: 4-3 | new rating: 1492 | ||
| Pro Tour Paris 2011 (MBS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 208 | Wu, Kon Fai (1500) | Won 2-0 | +181518 |
| 2standard | 50 | Amans, Nicolas (1461) | Won 2-0 | +171535 |
| 3standard | 17 | Melin, Anders (1574) | Lost 1-2 | -171518 |
| 4standard | 38 | Choi, Standish (1652) | Lost 0-2 | -161502 |
| 5standard | 147 | Lake, Paul (1509) | Lost 1-2 | -181484 |
| 6draft | 148 | Dagen, Pierre (1638) | Lost 1-2 | -151469 |
| top | average opponent: 1556record: 2-4 | new rating: 1469 | ||