Wachi, Hiroki
Current rating: 1408
Record: 1-6
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 283 | Kawamae, Toshiyuki (1315) | Won 2-1 | +151461 |
| 2sealed | 245 | Kimbara, Shohei (1432) | Lost 1-2 | -181443 |
| 3sealed | 574 | Eda, Taichirou (1478) | Lost 1-2 | -171426 |
| 4sealed | 938 | Zhang, Yucheng (1466) | Lost 0-2 | -181408 |
| average opponent: 1423record: 1-3 | new rating: 1408 | |||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 54 | Kosho, Tomoya (1500) | Lost 0-2 | -181482 |
| 2legacy | 768 | Ando, Satoru (1468) | Lost 1-2 | -181464 |
| 3legacy | 1119 | Harada, Ken (1468) | Lost 1-2 | -181446 |
| average opponent: 1479record: 0-3 | new rating: 1446 | |||