Matsuzaki, Kazuhisa
Current rating: 1515
Record: 6-6
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 133 | Yoshida, Masahiro (1552) | Won 2-1 | +191488 |
| 2sealed | 479 | Fukuda, Tatsuya (1581) | Won 2-1 | +201508 |
| 3sealed | 14 | Inoue, Hiroyuki0875 (1732) | Won 2-1 | +221530 |
| 4sealed | 94 | Takuwa, Kazuya (1618) | Lost 0-2 | -161514 |
| 5sealed | 224 | Fujikawa, Daisuke (1526) | Won 2-0 | +181532 |
| 6sealed | 83 | Yamamoto, Koki (1563) | Lost 1-2 | -181514 |
| 7sealed | 372 | Yamao, Tsuyoshi (1533) | Won 2-0 | +191533 |
| 8sealed | 181 | Takahashi, Hyouri (1566) | Lost 0-2 | -181515 |
| average opponent: 1584record: 5-3 | new rating: 1515 | |||
| Grand Prix Kobe 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 548 | Nakane, Takumi (1500) | Won 2-1 | +181518 |
| 2modern | 283 | Ito, Minoru (1536) | Lost 0-2 | -181500 |
| 3modern | 820 | Terada, Tadayoshi (1585) | Lost 0-2 | -161484 |
| 4modern | 944 | Hiwatashi, Yasurou (1640) | Lost 1-2 | -151469 |
| average opponent: 1565record: 1-3 | new rating: 1469 | |||