Tokutake, Masayuki
Current rating: 1575
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 226 | Oga, Yuichiro (1500) | Won 2-0 | +181528 |
| 2sealed | 56 | Yoshii, Akimi (1511) | Won 2-0 | +181546 |
| 3sealed | 290 | Matsuda, Yukio (1810) | Won 2-1 | +221568 |
| 4sealed | 169 | Ozawa, Takeshi (2066) | Won 2-1 | +271595 |
| 5sealed | 123 | Yamashita, Yoshiki (1531) | Lost 1-2 | -201575 |
| top | average opponent: 1684record: 4-1 | new rating: 1575 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 803 | Komuro, Kazutoshi (1506) | Won 2-1 | +181482 |
| 2sealed | 391 | Shinbo, Soutaro (1504) | Won 2-1 | +191501 |
| 3sealed | 153 | Katumata, Siniti (1536) | Lost 0-2 | -181483 |
| 4sealed | 420 | Yajima, Tatsuaki (1647) | Won 2-0 | +211504 |
| 5sealed | 182 | Isomura, Takuya (1504) | Lost 0-2 | -181486 |
| 6sealed | 430 | Oikawa, Takaaki (1562) | Won 2-1 | +201506 |
| 7sealed | 345 | Akazaki, Daigo (1536) | Won 2-1 | +181524 |
| 8sealed | 298 | Nakamura, Satoshi0186 (1732) | Lost 0-2 | -141510 |
| top | average opponent: 1566record: 5-3 | new rating: 1510 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1130 | Furukawa, Yun (1475) | Lost 0-2 | -181482 |
| 2sealed | 1426 | Yokota, Syouhei (1482) | Lost 0-2 | -181464 |
| top | average opponent: 1478record: 0-2 | new rating: 1464 | ||