Hayafusa, Tatsuhiko
Current rating: 1499
Record: 4-4
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 184 | Satou, Kentarou (1421) | Won 2-0 | +171517 |
| 2modern | 226 | Iwabuchi, Daisuke (1435) | Won 2-0 | +161533 |
| 3modern | 177 | Takahashi, Ryo 8120 (1667) | Lost 1-2 | -161517 |
| 4modern | 400 | Sato, Taichi (1464) | Lost 0-2 | -181499 |
| 5modern | 840 | Kuze, Hiroki (1501) | Lost 0-2 | -181481 |
| 6modern | 888 | Yu, Weilong (1706) | Won 2-1 | +221503 |
| 7modern | 616 | Saeki, Tomoya (1390) | Lost 0-2 | -201483 |
| 8modern | 605 | Tsuchiya, Yoshihiro (1383) | Won 2-1 | +161499 |
| average opponent: 1496record: 4-4 | new rating: 1499 | |||