Watanabe, Kazumasa
Current rating: 1461
Record: 1-3
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 777 | Yoshihito, Inoue (1500) | Lost 0-2 | -181482 |
| 2sealed | 759 | Tutui, Rintaro (1482) | Won 2-1 | +181500 |
| 3sealed | 600 | Soma, Hiroyuki (1500) | Lost 1-2 | -181482 |
| 4sealed | 1051 | Tanaka, Tomonori (1320) | Lost 1-2 | -211461 |
| average opponent: 1450record: 1-3 | new rating: 1461 | |||