Zheng, Dongdong
Current rating: 1509
Record: 20-21-1
| Grand Prix Guangzhou 2016 (modern) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 28 | Li, Zhibin (1541) | Won 2-0 | +191508 |
| 4modern | 10 | Bang, Sangmun (1571) | Won 2-1 | +191527 |
| 5modern | 17 | Abdul Hafiz, Abdul Rahman (1472) | Won 2-1 | +171544 |
| 6modern | 13 | Noine, Kazuhiro (1566) | Lost 0-2 | -181526 |
| 7modern | 1030 | Liu, Haotian (1545) | Won 2-0 | +191545 |
| 8modern | 25 | Chen, Yang 0888 (1607) | Lost 0-2 | -171528 |
| 9modern | 1022 | Chao, Lumeng (1572) | Draw 1-1 | +11529 |
| 10modern | 64 | Soh, Joe (1963) | Lost 1-2 | -111518 |
| 11modern | 104 | Tan, Lun Yi (1691) | Lost 0-2 | -151503 |
| 12modern | 123 | Kuang, Qi Song (1537) | Won 2-1 | +191522 |
| 13modern | 99 | Lu, Pengjie (1709) | Lost 1-2 | -151507 |
| 14modern | 106 | Yang, Yan (1519) | Lost 1-2 | -181489 |
| 15modern | 110 | Zhang, Meng (1552) | Won 2-0 | +201509 |
| top | average opponent: 1603record: 6-6-1 | new rating: 1509 | ||
| Grand Prix Beijing 2016 (SOI limited) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 185 | Jiang, Wenjun (1435) | Lost 1-2 | -201524 |
| 3sealed | 412 | Li, Song Nan (1457) | Won 2-0 | +171541 |
| 4sealed | 242 | Zhang, Yonggang (1691) | Lost 1-2 | -151526 |
| 5sealed | 279 | Zhang, Jiazhen (1515) | Lost 0-2 | -191507 |
| 6sealed | 409 | Jiao, Yupu (1487) | Lost 0-2 | -181489 |
| top | average opponent: 1517record: 1-4 | new rating: 1489 | ||
| Grand Prix Shanghai 2014 (KTK limited) | starting rating: 1530 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 323 | Dongwei, Jin (1482) | Won 2-1 | +171547 |
| 2sealed | 156 | Song, Yunqing (1518) | Won 2-0 | +171564 |
| 3sealed | 141 | Chen, Baiyang (1500) | Lost 0-2 | -191545 |
| 4sealed | 222 | Zhou, Xiaoyi (1480) | Won 2-1 | +171562 |
| 5sealed | 181 | Bai, Jianchun (1460) | Lost 1-2 | -201542 |
| 6sealed | 181 | Cao, Zhili (1519) | Won 2-0 | +181560 |
| 7sealed | 219 | Li, Youko (1561) | Won 2-1 | +181578 |
| 8sealed | 126 | Feng, Jia (1681) | Lost 1-2 | -161562 |
| 9sealed | 158 | Jo, Bunkun (1578) | Lost 1-2 | -181544 |
| top | average opponent: 1531record: 5-4 | new rating: 1544 | ||
| Grand Prix Hong Kong 2013 (THS limited) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 74 | Wen, Li Hua (1500) | Won 2-0 | +181490 |
| 2sealed | 103 | Lim, Vinson Lui (1500) | Won 2-1 | +181508 |
| 3sealed | 180 | Zeng, Yi (1536) | Won 2-1 | +191527 |
| 4sealed | 29 | Shair, Chung Ngai (1555) | Lost 0-2 | -181509 |
| 5sealed | 73 | Ng, Tung (1536) | Won 2-0 | +191528 |
| 6sealed | 39 | Jiao, Chang (1452) | Lost 0-2 | -201508 |
| 7sealed | 167 | Isogami, Kazuma (1565) | Won 2-1 | +191527 |
| 8sealed | 67 | Follero, Lawrence (1587) | Won 2-0 | +201547 |
| 9sealed | 56 | Eng, Tiang Wah (1618) | Lost 0-2 | -171530 |
| top | average opponent: 1539record: 6-3 | new rating: 1530 | ||
| Grand Prix Bangkok 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 1 | Pek, Cheng Wee (1598) | Won 2-0 | +201520 |
| 5sealed | 47 | Yii, Terh Kuen (1721) | Won 2-1 | +211541 |
| 6sealed | 9 | ooi, ee jian (1507) | Lost 0-2 | -181523 |
| 7sealed | 69 | Boonchanya, Nuth (1576) | Lost 0-2 | -171506 |
| 8sealed | 70 | Ardchon, Thanacha (1555) | Lost 1-2 | -171489 |
| 9sealed | 103 | sonthisanga, prapagorn (1543) | Lost 0-2 | -171472 |
| top | average opponent: 1583record: 2-4 | new rating: 1472 | ||