Sakai, Kazuya
Current rating: 1527
Record: 4-3
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 686 | Watanabe, Ryohei (1502) | Won 2-0 | +181518 |
| 2modern | 216 | Koizumi, Yuma (1658) | Won 2-0 | +211539 |
| 3modern | 493 | Oonishi, Takahisa (1548) | Won 2-0 | +181557 |
| 4modern | 230 | Tasugi, Keigo (1566) | Lost 1-2 | -181539 |
| 5modern | 309 | Tsujikawa, Taiga (1855) | Lost 1-2 | -131526 |
| 6modern | 588 | Sugimoto, Takaaki (1505) | Won 2-1 | +181544 |
| 7modern | 368 | Takahashi, Taro (1592) | Lost 1-2 | -171527 |
| average opponent: 1604record: 4-3 | new rating: 1527 | |||