Johnson, Tim
Current rating: 1438
| Grand Prix Hong Kong 2013 (THS limited) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 139 | Chan, Heung Kwan (1500) | Won 2-0 | +191469 |
| 2sealed | 127 | Wong, Christopher [HKG] (1518) | Lost 0-2 | -171452 |
| 3sealed | 329 | Chen, Zhiming (1499) | Won 2-1 | +191471 |
| 4sealed | 164 | Alloso, Mark Ian (1612) | Lost 0-2 | -151456 |
| 5sealed | 338 | Domingo, Wilfred Halco (1451) | Lost 0-2 | -181438 |
| top | average opponent: 1516record: 2-3 | new rating: 1438 | ||
| Grand Prix Shanghai 2012 (M13 limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 249 | Li, Feng (1500) | Lost 0-2 | -171447 |
| 2sealed | 237 | Hong, Cangtao (1518) | Won 2-0 | +191466 |
| 3sealed | 249 | Yang, Yefan (1535) | Lost 1-2 | -171449 |
| 4sealed | 345 | Huang, Gong (1482) | Lost 0-2 | -171432 |
| 5sealed | 341 | Gu, Yinli (1464) | Won 2-1 | +181450 |
| top | average opponent: 1500record: 2-3 | new rating: 1450 | ||
| Grand Prix Shanghai 2011 (M12 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 39 | West, Andrew (1500) | Lost 1-2 | -181482 |
| 2sealed | 147 | Xian, Shui (1482) | Lost 0-2 | -181464 |
| 3sealed | 214 | Cai, Shiyuan (1464) | Won 2-0 | +181482 |
| 4sealed | 218 | Zhao, Xin Yu (1482) | Lost 1-2 | -181464 |
| top | average opponent: 1482record: 1-3 | new rating: 1464 | ||