Kozelov, Roman
Current rating: 1623
Record: 24-16
| Grand Prix Beijing 2017 (AKH limited) | starting rating: 1617 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 146 | Wu, Weijie (1585) | Won 2-1 | +181635 |
| 2sealed | 47 | Ji, Zihao (1680) | Lost 0-2 | -181617 |
| 3sealed | 266 | Wei, Yue (1479) | Lost 1-2 | -201597 |
| 4sealed | 392 | Luo, Haotian (1482) | Won 2-1 | +161613 |
| 5sealed | 356 | Wang, Ming (1495) | Lost 0-2 | -201593 |
| 6sealed | 406 | Yu, Hang (1467) | Won 2-1 | +151608 |
| 7sealed | 292 | Liu, Enyang (1465) | Lost 1-2 | -201588 |
| 8sealed | 342 | Liu, Yubo (1478) | Won 2-0 | +161604 |
| 9sealed | 261 | Chan, Ron [MYS] (1662) | Won 2-0 | +191623 |
| top | average opponent: 1533record: 5-4 | new rating: 1623 | ||
| Grand Prix Beijing 2016 (SOI limited) | starting rating: 1603 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 74 | Li, Xiang 5210 (1500) | Won 2-1 | +161619 |
| 2sealed | 60 | Prabhu, Vinnie (1730) | Won 2-1 | +201639 |
| 3sealed | 151 | Liu, Mujie (1538) | Won 2-1 | +171656 |
| 4sealed | 110 | Ling, Haoran (1467) | Won 2-0 | +141670 |
| 5sealed | 50 | Yamagata, Yutaro (1657) | Won 2-0 | +181688 |
| 6sealed | 16 | Matsumoto, Masataka (1804) | Lost 0-2 | -161672 |
| 7sealed | 34 | Su, Xu (1967) | Lost 0-2 | -131659 |
| 8sealed | 117 | Zhang, Meng (1578) | Lost 1-2 | -191640 |
| 9sealed | 169 | Li, Bo 2605 (1540) | Won 2-1 | +161656 |
| 10draft | 55 | Li, Yilin (1581) | Lost 0-2 | -191637 |
| 11draft | 25 | Li, Xiaodong (1537) | Lost 1-2 | -201617 |
| 12draft | 86 | Tsumura, Kenji (1710) | Won 2-1 | +201637 |
| 13draft | 79 | Guo, Chuanhao (1557) | Lost 0-2 | -201617 |
| top | average opponent: 1628record: 7-6 | new rating: 1617 | ||
| Grand Prix Beijing 2013 (DGM limited) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 285 | He, Yue 1 (1500) | Won 2-0 | +171572 |
| 2sealed | 169 | Jia, Qiumiao (1535) | Won 2-1 | +171589 |
| 3sealed | 104 | Sun, Bo (1579) | Won 2-1 | +181607 |
| 4sealed | 94 | shuo, guo (1553) | Won 2-1 | +171624 |
| 5sealed | 12 | tao tao, xu (1572) | Lost 0-2 | -191605 |
| 6sealed | 91 | Chi, Jingyang (1621) | Lost 0-2 | -181587 |
| 7sealed | 82 | Li, Chi (1536) | Lost 0-2 | -181569 |
| 8sealed | 159 | Gan, Run (1520) | Won 2-1 | +171586 |
| 9sealed | 138 | Wu, Weice (1568) | Won 2-1 | +171603 |
| top | average opponent: 1554record: 6-3 | new rating: 1603 | ||
| Grand Prix Shanghai 2011 (M12 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 71 | Zhu, Jun (1500) | Lost 0-2 | -181482 |
| 2sealed | 161 | Wang, Xiaojun (1482) | Lost 1-2 | -181464 |
| 3sealed | 203 | Wang, Da (1464) | Won 2-1 | +181482 |
| 4sealed | 253 | Cheng, Dai (1482) | Won 2-0 | +181500 |
| 5sealed | 176 | Chen, Shi (1500) | Won 2-1 | +181518 |
| 6sealed | 112 | Huang, Jieyao (1523) | Lost 1-2 | -181500 |
| 7sealed | 165 | Ye, Feng (1508) | Won 2-1 | +181518 |
| 8sealed | 132 | Pang, Wind Jing Yang (1556) | Won 2-0 | +191537 |
| 9sealed | 88 | che, XingJian (1542) | Won 2-0 | +181555 |
| top | average opponent: 1506record: 6-3 | new rating: 1555 | ||