Matsumoto, Amiru
Current rating: 1442
Record: 3-6
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 491 | Takeuchi, Yosuke (1457) | Lost 0-2 | -181442 |
| record: 0-1 | new rating: 1442 | |||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 273 | Sakai, Taiki (1436) | Lost 1-2 | -191481 |
| 2modern | 764 | Matsumura, Hiroki (1482) | Lost 1-2 | -181463 |
| 3modern | 1186 | Sugimura, Masakazu (1393) | Lost 0-2 | -191444 |
| 4modern | 1138 | Isagoda, Jun (1444) | Won 2-0 | +181462 |
| 5modern | 1019 | Fukuda, Ayako (1465) | Won 2-0 | +181480 |
| 6modern | 805 | Owada, Hiroaki (1474) | Lost 1-2 | -181462 |
| 7modern | 747 | Kikuchi, Shou (1397) | Lost 0-2 | -201442 |
| 8modern | 693 | Koga, Tokuhiko (1423) | Won 2-0 | +181460 |
| average opponent: 1439record: 3-5 | new rating: 1460 | |||