Oyama, Masaru
Current rating: 1478
Record: 2-3
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 401 | Arai, Ikki (1300) | Won 2-1 | +141514 |
| 2modern | 16 | Takase, Ryousuke (1583) | Lost 0-2 | -161498 |
| 3modern | 921 | Takagishi, Hidefumi (1479) | Lost 0-2 | -191479 |
| 4modern | 1082 | Numaguchi, Yumeto (1484) | Won 2-0 | +181497 |
| 5modern | 581 | Hatashita, Hiroaki (1410) | Lost 0-2 | -191478 |
| average opponent: 1451record: 2-3 | new rating: 1478 | |||