Yamamoto, Hiromu
Current rating: 1485
Record: 2-3
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 164 | Ushijima, Syun (1442) | Won 2-0 | +171517 |
| 2sealed | 352 | Ueda, Tadahiko (1608) | Lost 0-2 | -161501 |
| 3sealed | 759 | Hori, Masayuki (1472) | Won 2-1 | +171518 |
| 4sealed | 363 | Seki, Masanosuke (1502) | Lost 1-2 | -181500 |
| 5sealed | 610 | Ishikawa, Fumiaki (1689) | Lost 1-2 | -151485 |
| average opponent: 1543record: 2-3 | new rating: 1485 | |||