Moriwaki, Katsuo
Current rating: 1379
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1412 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 233 | Nishiyama, Kazuki (1307) | Won 2-1 | +171429 |
| 2standard | 585 | Fujiwara, Kazuma9670 (1534) | Lost 0-2 | -171412 |
| 3standard | 716 | Kimonji, Hiroki (1496) | Lost 1-2 | -161396 |
| 4standard | 891 | Masaki, Arata (1448) | Lost 1-2 | -171379 |
| top | average opponent: 1446record: 1-3 | new rating: 1379 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 89 | Shimano, Yusuke (1501) | Lost 0-2 | -171445 |
| 2standard | 642 | Yamazaki, Yuki8029 (1494) | Lost 0-2 | -171428 |
| 3standard | 1118 | Suzuki, Tomoyuki (1566) | Lost 1-2 | -161412 |
| top | average opponent: 1520record: 0-3 | new rating: 1412 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 127 | Imai, Yoshihisa (1446) | Lost 1-2 | -191481 |
| 2legacy | 269 | Kojima, Yuusuke (1447) | Lost 1-2 | -191462 |
| top | average opponent: 1446record: 0-2 | new rating: 1462 | ||