Ma, Haobo
Current rating: 1377
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 405 | Xiao, Li (1500) | Lost 0-2 | -171463 |
| 4standard | 647 | Kosaka, Ryohei (1426) | Lost 1-2 | -191444 |
| 5standard | 749 | Aoyama, Mizuki (1520) | Lost 1-2 | -171427 |
| 6standard | 773 | Narita, Takashi (1477) | Lost 1-2 | -171410 |
| 7standard | 796 | Tobo, Hayato (1497) | Lost 1-2 | -161394 |
| 8standard | 726 | Satou, Yoshinobu (1450) | Lost 1-2 | -171377 |
| top | average opponent: 1478record: 0-6 | new rating: 1377 | ||
| Grand Prix Beijing 2018 (DOM limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 77 | Da, Jiawei (1789) | Lost 1-2 | -121436 |
| 3sealed | 275 | Kang, Shining (1788) | Won 2-1 | +241460 |
| 4sealed | 284 | Li, Tengfei (1460) | Won 2-0 | +181478 |
| 5sealed | 111 | He, Zhongning (1372) | Lost 0-2 | -201458 |
| 6sealed | 149 | Xu, Chen (1593) | Lost 0-2 | -151443 |
| 7sealed | 261 | Chen, Haoyu (1516) | Won 2-1 | +191462 |
| 8sealed | 190 | Yu, Gaotaiyao (1465) | Won 2-0 | +181480 |
| top | average opponent: 1569record: 4-3 | new rating: 1480 | ||
| Grand Prix Beijing 2017 (AKH limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 145 | Yang, Fan 5986 (1500) | Lost 0-2 | -181482 |
| 2sealed | 339 | Hu, Zhiang (1482) | Lost 1-2 | -181464 |
| 3sealed | 470 | Kevin, Zhang (1463) | Won 2-0 | +181482 |
| 4sealed | 456 | Wang, Heling (1397) | Won 2-1 | +161498 |
| 5sealed | 399 | Lin, Qing (1540) | Won 2-0 | +191517 |
| 6sealed | 259 | Wang, Zimo 5256 (1671) | Lost 0-2 | -151502 |
| 7sealed | 280 | Ren, Mingjun (1466) | Lost 0-2 | -191483 |
| 8sealed | 365 | Zhang, Bo 7693 (1532) | Lost 1-2 | -171466 |
| 9sealed | 309 | Marty, Yoan (1465) | Lost 1-2 | -181448 |
| top | average opponent: 1502record: 3-6 | new rating: 1448 | ||