Okubo, Yuya
Current rating: 1459
Record: 4-7
| Grand Prix Chiba 2016 (legacy) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 323 | Kawamura, Hirotaka (1468) | Won 2-0 | +181485 |
| 2legacy | 424 | Amano, Tatsuya (1517) | Lost 0-2 | -171468 |
| 3legacy | 712 | Suzuki, Taiki (1657) | Won 2-1 | +211489 |
| 4legacy | 711 | Takenaka, Takumi (1585) | Won 2-1 | +201509 |
| 5legacy | 336 | Oota, Nobuyuki (1571) | Lost 0-2 | -171492 |
| 6legacy | 612 | Yanase, Kaname (1635) | Lost 0-2 | -161476 |
| 7legacy | 683 | Yamamoto, Masashi3201 (1501) | Lost 0-2 | -171459 |
| average opponent: 1562record: 3-4 | new rating: 1459 | |||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 643 | Oda, Hideto (1500) | Lost 0-2 | -181482 |
| 4legacy | 708 | Okano, Hiroki (1556) | Won 2-1 | +191501 |
| 5legacy | 569 | Kouge, Kazuhiro (1569) | Lost 0-2 | -161485 |
| 6legacy | 667 | Hayashibara, Kazuki (1502) | Lost 1-2 | -181467 |
| average opponent: 1532record: 1-3 | new rating: 1467 | |||