Kobayashi, Kazutaka 2396
Current rating: 1406
Record: 1-7
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 201 | Hirose, Munenori (1519) | Won 2-1 | +191470 |
| 2pioneer | 130 | Nomura, Tsuyoshi (1797) | Lost 1-2 | -121458 |
| 3pioneer | 427 | Tomita, Kazuki (1498) | Lost 1-2 | -171441 |
| 4pioneer | 704 | Yano, Yuuma (1485) | Lost 1-2 | -171424 |
| 5pioneer | 702 | Fujita, Naoto (1462) | Lost 0-2 | -181406 |
| average opponent: 1552record: 1-4 | new rating: 1406 | |||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 525 | Ikki, Notsu (1602) | Lost 1-2 | -161484 |
| 4modern | 627 | Okubo, Yoshihiko (1568) | Lost 0-2 | -171467 |
| 5modern | 934 | Fujii, Takehiro (1559) | Lost 1-2 | -161451 |
| average opponent: 1576record: 0-3 | new rating: 1451 | |||