Ehara, Kazuya
Current rating: 1385
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1390 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 629 | Machida, Takahiro (1733) | Won 2-1 | +241414 |
| 2sealed | 41 | Ushio, Atsushi (1734) | Lost 1-2 | -121402 |
| 3sealed | 591 | Kawata, Kazuki (1508) | Lost 1-2 | -171385 |
| 4sealed | 910 | Kabeya, Atsushi (1529) | Lost 1-2 | -151370 |
| 5sealed | 921 | Imamura, Daisuke (1197) | Won 2-0 | +151385 |
| top | average opponent: 1540record: 2-3 | new rating: 1385 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 51 | Shin, Takahiro (1467) | Lost 0-2 | -181444 |
| 2modern | 972 | Sakurai, Atsushi (1309) | Lost 1-2 | -201424 |
| 3modern | 1195 | Matsushita, Yuusuke (1446) | Lost 0-2 | -181406 |
| 4modern | 1186 | Angelini, Roberto (1365) | Lost 1-2 | -181388 |
| 5modern | 1109 | Hossaka, Takurou (1346) | Won 2-0 | +171405 |
| 6modern | 930 | Yufu, Seizi (1417) | Won 2-0 | +181423 |
| 7modern | 802 | Yamamura, Yuma (1553) | Lost 1-2 | -161407 |
| 8modern | 676 | Shoji, Yusuke (1435) | Lost 1-2 | -171390 |
| top | average opponent: 1417record: 2-6 | new rating: 1390 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 499 | Aida, Yasuki (1523) | Lost 1-2 | -181482 |
| 2sealed | 944 | Takahashi, Koji (1370) | Lost 0-2 | -201462 |
| 3sealed | 1129 | Hata, Tomonori0099 (1409) | Won 2-0 | +171479 |
| 4sealed | 872 | Tahara, Ippei (1523) | Lost 0-2 | -171462 |
| top | average opponent: 1456record: 1-3 | new rating: 1462 | ||