Kojima, Toshiki
Current rating: 1432
Record: 2-6
| Grand Prix Kobe 2017 (modern) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 246 | Tanoue, Sora (1444) | Won 2-0 | +181466 |
| 2modern | 560 | Kabeshita, Yoshito (1539) | Lost 0-2 | -171449 |
| 3modern | 1048 | Seki, Kazuhiko (1565) | Won 2-0 | +201469 |
| 4modern | 632 | Kawamura, Sintarou (1439) | Lost 1-2 | -191450 |
| 5modern | 744 | Yashiro, Sho (1426) | Lost 0-2 | -181432 |
| average opponent: 1483record: 2-3 | new rating: 1432 | |||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 165 | Hatayama, Takaharu (1518) | Lost 0-2 | -181482 |
| 2standard | 758 | Takino, Atusi (1517) | Lost 1-2 | -171465 |
| 3standard | 1192 | Okada, Taro (1499) | Lost 1-2 | -171448 |
| average opponent: 1511record: 0-3 | new rating: 1448 | |||