Yokobayashi, Hirokazu
Current rating: 1381
Record: 4-11
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 174 | Miyasaka, Sho (1544) | Lost 0-2 | -161449 |
| 2standard | 1097 | Take, Toshiharu (1490) | Lost 1-2 | -181431 |
| 3standard | 1523 | Kajihara, Koji (1540) | Lost 0-2 | -161415 |
| 4standard | 1624 | Mukai, Shinichi (1339) | Lost 0-2 | -191396 |
| 5standard | 1544 | Machida, Hiroki (1429) | Lost 1-2 | -171379 |
| 6standard | 1432 | Konishi, Eigo (1394) | Won 2-0 | +181397 |
| 7standard | 1261 | Ito, Daiki (Ohmori) (1427) | Lost 0-2 | -181379 |
| 8standard | 1080 | Ozaki, Takuya (1411) | Lost 1-2 | -171362 |
| 9standard | 908 | Noguchi, Takuya (1394) | Won 2-0 | +191381 |
| average opponent: 1441record: 2-7 | new rating: 1381 | |||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 322 | Economides, Brian J (1500) | Won 2-0 | +181518 |
| 2sealed | 103 | Satou, Tsubasa (1551) | Lost 1-2 | -171501 |
| 3sealed | 324 | Shibui, Takanori (1501) | Lost 0-2 | -181483 |
| 4sealed | 375 | Yokoyama, Jun'ichi (1482) | Won 2-0 | +181501 |
| 5sealed | 351 | Nakajima, Yuusuke (1547) | Lost 1-2 | -181483 |
| 6sealed | 319 | Huang, Hin (1466) | Lost 1-2 | -181465 |
| average opponent: 1508record: 2-4 | new rating: 1465 | |||