Yamamoto, Yoshiaki
Current rating: 1462
Record: 1-3
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 352 | Watanabe, Kai (1524) | Lost 0-2 | -181482 |
| 2modern | 643 | Yoshimura, Asuka (1348) | Lost 0-2 | -201462 |
| 3modern | 1081 | Yanagitani, Kaname (1464) | Lost 1-2 | -181444 |
| 4modern | 1166 | Terasaki, Tomohiro (1445) | Won 2-0 | +181462 |
| average opponent: 1445record: 1-3 | new rating: 1462 | |||