Duan, Chao
Current rating: 1368
Record: 8-17-1
| Grand Prix Guangzhou 2016 (modern) | starting rating: 1384 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1090 | Wang, Siyuan (1500) | Lost 0-2 | -161368 |
| top | record: 0-1 | new rating: 1368 | ||
| Grand Prix Beijing 2014 (BNG standard) | starting rating: 1400 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 123 | Kang, Shining (1536) | Lost 0-2 | -161384 |
| top | record: 0-1 | new rating: 1384 | ||
| Grand Prix Kuala Lumpur 2014 (THS limited) | starting rating: 1423 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 181 | Neo, Alvin (1678) | Won 2-0 | +231446 |
| 4sealed | 65 | Yang, Ting Hui (1629) | Lost 1-2 | -151431 |
| 5sealed | 126 | Ito, Hidetoshi (1399) | Lost 0-2 | -191412 |
| 6sealed | 175 | Liew, Ze Hong (1457) | Won 2-1 | +191431 |
| 7sealed | 134 | Tan, Gordon Ye Long (1602) | Lost 0-2 | -151416 |
| 8sealed | 208 | Ho, Chun Jian (1492) | Lost 0-2 | -161400 |
| top | average opponent: 1543record: 2-4 | new rating: 1400 | ||
| Grand Prix Hong Kong 2013 (THS limited) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 120 | Lam, Kam Wai Wales (1535) | Lost 0-2 | -161438 |
| 5sealed | 296 | Koyama, Mitsuru (1481) | Won 2-0 | +191457 |
| 6sealed | 200 | Su, Xing (1497) | Lost 0-2 | -181439 |
| 7sealed | 225 | Lu, Liguo (1553) | Lost 0-2 | -161423 |
| 8sealed | 254 | Ji, Ye (1403) | Draw 0-0 | 01423 |
| top | average opponent: 1494record: 1-3-1 | new rating: 1423 | ||
| Grand Prix Beijing 2013 (DGM limited) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 350 | Niu, Zhi Huan (1500) | Won 2-0 | +191488 |
| 2sealed | 100 | Lv, Liangming (1518) | Lost 1-2 | -181470 |
| 3sealed | 141 | Zhang, Yuantao (1501) | Won 2-0 | +191489 |
| 4sealed | 143 | Hu, Jin (1524) | Lost 0-2 | -181471 |
| 5sealed | 256 | Shen, Yizheng (1529) | Lost 0-2 | -171454 |
| top | average opponent: 1514record: 2-3 | new rating: 1454 | ||
| Grand Prix Kuala Lumpur 2010 (WWK standard) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 101 | Tan, Chai Jing (1500) | Lost 1-2 | -181469 |
| top | record: 0-1 | new rating: 1469 | ||
| Grand Prix Bangkok 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 70 | Prombot, Prot (1500) | Won 2-1 | +181518 |
| 2sealed | 57 | Lee, Ju-Min (1571) | Lost 0-2 | -171501 |
| 3sealed | 105 | Issadisai, Kittiphat (1500) | Won 2-1 | +181519 |
| 4sealed | 141 | Pannarat, Isara (1501) | Lost 0-2 | -181501 |
| 5sealed | 148 | Alvarez, Edsel Ronan (1559) | Lost 1-2 | -171484 |
| 6sealed | 149 | Supsrisophon, Mongkol (1566) | Won 2-0 | +191503 |
| 7sealed | 114 | Farnung, Ian (1595) | Lost 0-2 | -161487 |
| top | average opponent: 1542record: 3-4 | new rating: 1487 | ||