Katahara, Yuki
Current rating: 1505
Record: 4-4
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 396 | Yaegasi, Naoki (1544) | Lost 1-2 | -171483 |
| 2modern | 796 | Kent, Jenista (1416) | Lost 1-2 | -191464 |
| 3modern | 1099 | Vincilione, Jacques (1420) | Won 2-1 | +171481 |
| 4modern | 481 | Matsuda, Hideyuki (1518) | Won 2-0 | +181499 |
| 5modern | 702 | Kimura, Minori (1418) | Won 2-1 | +171516 |
| 6modern | 435 | Wada, Yasutaka (1719) | Won 2-0 | +221538 |
| 7modern | 261 | Meki, Syunta (1522) | Lost 0-2 | -191519 |
| 8modern | 432 | Kutsuna, Yohei (1722) | Lost 1-2 | -141505 |
| average opponent: 1535record: 4-4 | new rating: 1505 | |||