Lee, Dongkyu
Current rating: 1518
Record: 40-39-1
| Grand Prix Krakow 2019 (M20 limited) | starting rating: 1576 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 436 | Carraro, Francesco (1500) | Lost 1-2 | -191557 |
| 2sealed | 554 | Ratilainen, Tomi (1622) | Lost 0-2 | -171540 |
| 3sealed | 464 | Sekyrka, Ondrej (1468) | Won 2-0 | +171557 |
| 4sealed | 336 | Nuthall, Mark (1593) | Won 2-0 | +181575 |
| 5sealed | 310 | Kriegler, Andreas (1484) | Lost 0-2 | -191556 |
| 6sealed | 298 | Otero, Carlos (1618) | Lost 0-2 | -171539 |
| 7sealed | 408 | Wdowiak, Witold (1400) | Lost 0-2 | -211518 |
| top | average opponent: 1526record: 2-5 | new rating: 1518 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1631 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 300 | Sercu, Joery (1606) | Lost 0-2 | -181613 |
| 4sealed | 277 | Oberbek, Przemyslaw (1804) | Lost 1-2 | -151598 |
| 5sealed | 663 | Schiano Di Scioarro, Vincenzo (1522) | Lost 1-2 | -191579 |
| 6sealed | 787 | Lohs, Andreas (1485) | Won 2-0 | +161595 |
| 7sealed | 459 | Bobak, Andrzej (1394) | Won 2-0 | +141609 |
| 8sealed | 529 | Depraz, Jean-Emmanuel (1907) | Lost 0-2 | -121597 |
| 9sealed | 499 | Wenger, Marc (1464) | Lost 1-2 | -211576 |
| top | average opponent: 1597record: 2-5 | new rating: 1576 | ||
| Grand Prix Warsaw 2016 (KLD standard) | starting rating: 1578 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 247 | Wajda, Marcin (1532) | Lost 0-2 | -191559 |
| 2standard | 356 | Zimak, David (1484) | Won 2-1 | +171576 |
| 3standard | 398 | Muller, Benjamin (1465) | Won 2-0 | +161592 |
| 4standard | 258 | Zorzi, Giulio (1743) | Lost 0-2 | -161576 |
| 5standard | 345 | Drabent, Mateusz (1512) | Lost 0-2 | -191557 |
| 6standard | 467 | Przybylski, Michal (1483) | Won 2-0 | +171574 |
| 7standard | 347 | Ronczka, Jacek (1546) | Won 2-1 | +171591 |
| 8standard | 285 | Barakov, Andrii (1519) | Won 2-0 | +171608 |
| 9standard | 183 | Mocydlarz, Tomasz (1592) | Won 2-0 | +181626 |
| 10standard | 122 | Tzirinis, Panagiotis (1600) | Lost 1-2 | -191607 |
| 11standard | 156 | Daneluk, Erik (1624) | Won 2-1 | +191626 |
| 12standard | 134 | de Togni, Marco (1846) | Lost 0-2 | -151611 |
| 13standard | 133 | Schraut, Andreas (1707) | Lost 0-2 | -161595 |
| 14standard | 145 | Koukal, Josef (1623) | Won 2-1 | +191614 |
| 15standard | 131 | Ihnat, Peter (1580) | Won 2-1 | +171631 |
| top | average opponent: 1590record: 9-6 | new rating: 1631 | ||
| Grand Prix Manila 2015 (KTK standard) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 123 | Marquez-Lim, Andrew (1536) | Won 2-0 | +171579 |
| 4standard | 38 | Mokhtaruddin, Mohd Hafiz (1713) | Won 2-0 | +211600 |
| 5standard | 7 | Yun Cheong, Yang (1501) | Won 2-1 | +161616 |
| 6standard | 3 | Hong, Seung-Oh (1559) | Lost 1-2 | -191597 |
| 7standard | 74 | Lim, Rey (1593) | Won 2-1 | +181615 |
| 8standard | 9 | Cardenas, Daniel Aaron (1598) | Lost 1-2 | -181597 |
| 9standard | 61 | James, Nicholas (1554) | Lost 1-2 | -191578 |
| top | average opponent: 1579record: 4-3 | new rating: 1578 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1606 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 42 | Horikawa, Shota (1518) | Lost 0-2 | -201586 |
| 3sealed | 268 | Hasegawa, Gaku (1566) | Lost 1-2 | -181568 |
| 4sealed | 350 | Toshida, Shin'ichi (1445) | Won 2-0 | +161584 |
| 5sealed | 293 | Eastgate-Brown, John (1504) | Lost 0-2 | -201564 |
| 6sealed | 268 | Sato, Yuichi (1463) | Won 2-1 | +171581 |
| 7sealed | 212 | Nakamura, Kousuke (1538) | Lost 0-2 | -191562 |
| top | average opponent: 1506record: 2-4 | new rating: 1562 | ||
| Grand Prix Beijing 2014 (BNG standard) | starting rating: 1627 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 80 | Yan, Yan (1610) | Lost 1-2 | -191608 |
| 5standard | 118 | Jiang, He (1537) | Won 2-1 | +171625 |
| 6standard | 64 | Liu, Yi-liu (1779) | Lost 1-2 | -151610 |
| 7standard | 199 | Jia, Tianhui (1539) | Won 2-0 | +161626 |
| 8standard | 128 | Lv, Ya nan 2958 (1561) | Won 2-1 | +171643 |
| 9standard | 51 | Wang, Haokang (1562) | Draw 0-0 | -11642 |
| 10standard | 64 | Zhong, Junyi (1563) | Won 2-0 | +161658 |
| 11standard | 36 | Fang, Zhengyang (1628) | Won 2-0 | +181676 |
| 12standard | 23 | Chew, Kelvin (1957) | Lost 0-2 | -131663 |
| 13standard | 35 | Han, Liang (1584) | Lost 0-2 | -201643 |
| 14standard | 45 | Hu, Yi (1517) | Lost 0-2 | -201623 |
| 15standard | 52 | Wang, Da (1680) | Lost 0-2 | -171606 |
| top | average opponent: 1626record: 5-6-1 | new rating: 1606 | ||
| Grand Prix Hong Kong 2013 (THS limited) | starting rating: 1616 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 133 | Chan, Fung Shun (1622) | Lost 0-2 | -181598 |
| 4sealed | 162 | Ou-Yang, Alex Hung Jen (1517) | Won 2-0 | +171615 |
| 5sealed | 205 | Durov, Anton (1500) | Lost 0-2 | -201595 |
| 6sealed | 211 | Nakashima, Toshihiko (1633) | Lost 0-2 | -171578 |
| 7sealed | 232 | Ip, Chi Wai (1428) | Won 2-0 | +151593 |
| 8sealed | 172 | Kam, Wing Kan (1528) | Won 2-0 | +171610 |
| 9sealed | 137 | Zhu, Bin (1547) | Won 2-1 | +171627 |
| top | average opponent: 1539record: 4-3 | new rating: 1627 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 237 | Hassaku, Jinpei (1713) | Lost 0-2 | -151489 |
| 4standard | 238 | Hayashi, Kazuya (1523) | Won 2-1 | +191508 |
| 5standard | 93 | Tsukuya, Toshiharu (1535) | Won 2-0 | +181526 |
| 6standard | 64 | Takahashi, Akihiro (1498) | Won 2-1 | +181544 |
| 7standard | 43 | Matsuo, Hirokazu (1594) | Won 2-0 | +191563 |
| 8standard | 24 | Matsubara, Tohru (1626) | Won 2-0 | +191582 |
| 9standard | 23 | Abe, Motoki (1743) | Won 2-0 | +211603 |
| 10standard | 16 | Tanaka, Kimitaka (1605) | Won 2-0 | +181621 |
| 11standard | 5 | Takahashi, Yuta (1804) | Lost 1-2 | -151606 |
| 12standard | 14 | Oomura, Tomoya (1738) | Lost 1-2 | -151591 |
| 13standard | 48 | Jung, Tae-Wook (1640) | Won 2-0 | +191610 |
| 14standard | 28 | Tsuruoka, Shouta (1688) | Lost 0-2 | -171593 |
| 15standard | 30 | Matsumoto, Yuki2978 (1896) | Won 2-0 | +231616 |
| top | average opponent: 1662record: 9-4 | new rating: 1616 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 22 | Kondou, Yoshiki (1599) | Won 2-0 | +201520 |
| 5sealed | 58 | Kunishima, Kenta (1573) | Won 2-0 | +191539 |
| 6sealed | 3 | Syouta, Kubo (1590) | Won 2-1 | +191558 |
| 7sealed | 12 | Sunakawa, Keiji (1559) | Lost 0-2 | -181540 |
| 8sealed | 158 | Takami, Yuta (1558) | Lost 0-2 | -181522 |
| 9sealed | 268 | Atobe, Kazuki (1496) | Lost 1-2 | -181504 |
| top | average opponent: 1562record: 3-3 | new rating: 1504 | ||