Watanabe, Masahiro
Current rating: 1400
Record: 9-17
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1404 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 725 | Nakamura, Naohiko (1500) | Won 2-0 | +191423 |
| 2standard | 398 | Kitashima, Mitsuhito (1523) | Lost 0-2 | -161407 |
| 3standard | 953 | Horikoshi, Takayuki (1842) | Lost 1-2 | -101397 |
| 4standard | 908 | Kuroda, Shun (1492) | Won 2-1 | +191416 |
| 5standard | 867 | Takeche, Syohei (1501) | Lost 0-2 | -161400 |
| top | average opponent: 1572record: 2-3 | new rating: 1400 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 390 | Ota, Masahito (1480) | Won 2-0 | +191445 |
| 4sealed | 106 | Katsu, Masahiro (1476) | Won 2-1 | +191464 |
| 5sealed | 132 | Je, Sungeun (1963) | Lost 0-2 | -101454 |
| 6sealed | 223 | Ogawa, Nobuharu (1533) | Lost 0-2 | -161438 |
| 7sealed | 400 | Kobayashi, Akihiro (1429) | Lost 1-2 | -181420 |
| 8sealed | 613 | Kawase, Takeshi (1529) | Lost 0-2 | -161404 |
| top | average opponent: 1568record: 2-4 | new rating: 1404 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 419 | Cho, Takuya (1500) | Lost 1-2 | -181463 |
| 2standard | 818 | Tsuda, Seiya (1468) | Lost 0-2 | -181445 |
| 3standard | 1269 | Ohmori, Yoshitsugu (1413) | Lost 0-2 | -191426 |
| top | average opponent: 1460record: 0-3 | new rating: 1426 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 708 | Arakawa, Tatsuya (1732) | Won 2-1 | +231484 |
| 2sealed | 577 | Ikumi, Syun (1469) | Won 2-1 | +171501 |
| 3sealed | 176 | Yokomizo, Gouki (1545) | Lost 1-2 | -171484 |
| 4sealed | 510 | Nakano, Fumiki (1716) | Lost 0-2 | -141470 |
| 5sealed | 707 | Usui, Syou (1736) | Won 2-0 | +231493 |
| 6sealed | 521 | Aoki, Masatugu (1478) | Lost 0-2 | -181475 |
| 7sealed | 696 | Suzuki, Kei (1727) | Won 2-0 | +221497 |
| 8sealed | 684 | Takeda, Noriaki (1568) | Lost 0-2 | -161481 |
| top | average opponent: 1621record: 4-4 | new rating: 1481 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 256 | Sakanaka, Yousuke (1447) | Lost 1-2 | -191481 |
| 2standard | 915 | Ando, Masanori (1348) | Won 2-1 | +161497 |
| 3standard | 871 | Takada, Hiroki (1507) | Lost 1-2 | -181479 |
| 4standard | 1072 | Matsui, Shogo (1482) | Lost 1-2 | -181461 |
| top | average opponent: 1446record: 1-3 | new rating: 1461 | ||