Umahara, Kei
Current rating: 1516
Record: 2-1
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 356 | Nishida, Keisuke (1533) | Won 2-1 | +191519 |
| 2modern | 344 | Takayanagi, Kenichi (1449) | Lost 1-2 | -201499 |
| 3modern | 783 | Nobuta, Kazuhito (1443) | Won 2-0 | +171516 |
| average opponent: 1475record: 2-1 | new rating: 1516 | |||