Sahara, Kohei
Current rating: 1544
Record: 5-3
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 339 | Sayama, Takeru (1500) | Won 2-0 | +181518 |
| 2pioneer | 369 | Akase, Kousuke (1435) | Won 2-0 | +161534 |
| 3pioneer | 395 | Tsuge, Kyohei (1550) | Lost 1-2 | -171517 |
| 4pioneer | 302 | Sakai, Riku (1397) | Won 2-1 | +161533 |
| 5pioneer | 186 | Sakuta, Akira (1690) | Won 2-1 | +201553 |
| 6pioneer | 205 | Chen, Shihao (1581) | Lost 1-2 | -171536 |
| 7pioneer | 253 | Guo, Xiaoyu (1905) | Won 2-1 | +241560 |
| 8pioneer | 157 | Mihara, Yuki (1659) | Lost 1-2 | -161544 |
| average opponent: 1590record: 5-3 | new rating: 1544 | |||