Yoon, Kwang Seob
Current rating: 1553
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1577 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 602 | Sato, Rikiya (1500) | Lost 0-2 | -201557 |
| 2standard | 949 | Endo, Yuta (1482) | Won 2-1 | +171574 |
| 3standard | 921 | Yamakita, Yuya (1591) | Lost 1-2 | -181556 |
| 4standard | 1461 | Mori, Tatsuki (1426) | Won 2-0 | +161572 |
| 5standard | 900 | Furusawa, Tsukasa (1521) | Lost 1-2 | -191553 |
| top | average opponent: 1504record: 2-3 | new rating: 1553 | ||
| Grand Prix Beijing 2013 (DGM limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 354 | Obermuller, Florian (1597) | Lost 1-2 | -171504 |
| 2sealed | 226 | Gong, Ye (1482) | Won 2-1 | +181522 |
| 3sealed | 137 | Xie, Bin (1501) | Won 2-0 | +181540 |
| 4sealed | 193 | Wu, Ruochen (1518) | Won 2-0 | +171557 |
| 5sealed | 138 | Yang, Yimeng (1536) | Won 2-1 | +181575 |
| 6sealed | 41 | Wang, Chengji (1555) | Won 2-1 | +181593 |
| 7sealed | 18 | Lee, Shi Tian (2023) | Won 2-0 | +251618 |
| 8sealed | 23 | Choi, Young-Il (1341) | Lost 0-2 | -231595 |
| 9sealed | 45 | Cho, Bu-Hong (1569) | Lost 0-2 | -181577 |
| top | average opponent: 1569record: 6-3 | new rating: 1577 | ||
| Grand Prix Kuala Lumpur 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 21 | [anonymous] | Won 2-0 | +181518 |
| 2standard | 97 | Loh, Chuan Han (1661) | Won 2-1 | +201538 |
| 3standard | 23 | Micheal, Nicholos (1536) | Lost 1-2 | -181520 |
| 4standard | 205 | Yew, Yu Win (1448) | Won 2-0 | +171537 |
| 5standard | 134 | Rosmarudin, Faizal (1507) | Lost 0-2 | -191518 |
| 6standard | 137 | Jeon, Jun Beom (1504) | Won 2-1 | +181536 |
| 7standard | 139 | Ho, Wai Keong Kelvin (1526) | Won 2-0 | +181554 |
| 8standard | 42 | Yap, Jason (1710) | Lost 0-2 | -151539 |
| 9standard | 98 | Bin, Jia (1557) | Lost 0-2 | -181521 |
| top | average opponent: 1548record: 5-4 | new rating: 1521 | ||