Zheng, Tong
Current rating: 1539
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 619 | Arai, Kenichiro (1758) | Won 2-0 | +231525 |
| 2sealed | 278 | Yusuke, Igarashi (1517) | Won 2-1 | +171542 |
| 3sealed | 518 | Makino, Hiroyuki (1688) | Lost 0-2 | -151527 |
| 4sealed | 744 | Takahashi, Satoshi (1591) | Won 2-1 | +191546 |
| 5sealed | 430 | Yao, Zile (1769) | Lost 1-2 | -141532 |
| 6sealed | 355 | Tsukamoto, Mitsuru (1789) | Won 2-0 | +231555 |
| 7sealed | 399 | Banno, Kunihiko (1692) | Lost 1-2 | -161539 |
| top | average opponent: 1686record: 4-3 | new rating: 1539 | ||
| Grand Prix Hong Kong 2018 (modern) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 64 | Yeung, Sun Kit Sunny (1781) | Lost 0-2 | -131522 |
| 2modern | 311 | Dai, XiaoChen (1430) | Lost 0-2 | -201502 |
| top | average opponent: 1605record: 0-2 | new rating: 1502 | ||
| Grand Prix Hong Kong 2017 (XLN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 104 | Lam, Kevin [HKG] (1567) | Won 2-0 | +191519 |
| 2sealed | 41 | Lee, Matthew Kenneth (1518) | Won 2-1 | +181537 |
| 3sealed | 30 | Chaovarindr, Thirawat (1581) | Won 2-0 | +191556 |
| 4sealed | 69 | Wang, Guan (1677) | Lost 0-2 | -161540 |
| 5sealed | 59 | Yu, Winchel (1504) | Won 2-0 | +181558 |
| 6sealed | 48 | Matsuda, Kenji (1518) | Lost 0-2 | -191539 |
| 7sealed | 83 | Saito, Shinya (1963) | Lost 0-2 | -111528 |
| 8sealed | 177 | Huang, Hao-Shan (1950) | Lost 1-2 | -111517 |
| 9sealed | 210 | Kam, Chun Sing (1511) | Won 2-0 | +181535 |
| top | average opponent: 1643record: 5-4 | new rating: 1535 | ||