Yamamoto, Haruka
Current rating: 1493
Record: 6-7
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 2pioneer | 127 | Park, Sangwook (1784) | Lost 0-2 | -131489 |
| 3pioneer | 585 | Imaizumi, Ryo (1498) | Lost 1-2 | -181471 |
| 4pioneer | 643 | Amitani, Tatsuki (1481) | Won 2-0 | +181489 |
| 5pioneer | 405 | Koike, Tomoyuki (1329) | Lost 1-2 | -211468 |
| 6pioneer | 618 | Banba, Taiki (1556) | Won 2-1 | +201488 |
| 7pioneer | 476 | Okuno, Ryohei (1747) | Lost 1-2 | -131475 |
| 8pioneer | 383 | Tozaki, Tsubasa (1478) | Won 2-1 | +181493 |
| average opponent: 1553record: 3-4 | new rating: 1493 | |||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 82 | Takamiya, Issei (1430) | Won 2-1 | +171517 |
| 2modern | 137 | Kuze, Hiroki (1517) | Lost 0-2 | -181499 |
| 3modern | 846 | Tani, Emi (1500) | Lost 0-2 | -181481 |
| 4modern | 1054 | Okada, Riku (1485) | Won 2-0 | +181499 |
| 5modern | 626 | Huang, Han Shen (1551) | Won 2-0 | +191518 |
| 6modern | 530 | Sorada, Shohei (1637) | Lost 0-2 | -161502 |
| average opponent: 1520record: 3-3 | new rating: 1502 | |||