Ishihara, Masatake
Current rating: 1467
Record: 5-7
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 365 | Shishikura, Masahiro (1290) | Lost 0-2 | -221464 |
| 2pioneer | 565 | Aoki, Takashi (1468) | Lost 1-2 | -181446 |
| 3pioneer | 819 | Korostelev, Ilia (1464) | Won 2-0 | +191465 |
| 4pioneer | 681 | Masuda, Shinichiro (1476) | Won 2-0 | +181483 |
| 5pioneer | 499 | Kim, Seok Hyun (1585) | Lost 0-2 | -161467 |
| 6pioneer | 552 | Shoji, Keishi (1576) | Won 2-0 | +201487 |
| 7pioneer | 477 | Sano, Kouta (1407) | Lost 0-2 | -201467 |
| average opponent: 1467record: 3-4 | new rating: 1467 | |||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 158 | Sanjo, Kota (1500) | Won 2-1 | +181518 |
| 2modern | 545 | Yoshida, Kei (1397) | Lost 1-2 | -201498 |
| 3modern | 960 | Hasegawa, Shun-ya (1505) | Won 2-1 | +181516 |
| 4modern | 404 | Kaku, Tomohiro (1640) | Lost 0-2 | -161500 |
| 5modern | 830 | Omori, Ken'ichirou (1692) | Lost 0-2 | -141486 |
| average opponent: 1547record: 2-3 | new rating: 1486 | |||