Kayaki, Kazuya
Current rating: 1443
Record: 6-10
| Grand Prix Yokohama 2019 (modern) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 642 | Iwasaki, Masayuki (1652) | Won 2-0 | +221448 |
| 2modern | 160 | Kosuga, Shuhei (1504) | Lost 0-2 | -171431 |
| 3modern | 862 | Hiromasa, Ryuusuke (1723) | Won 2-0 | +241455 |
| 4modern | 565 | Takeuchi, Makoto (1580) | Lost 0-2 | -161439 |
| 5modern | 754 | Murata, Futoshi (1463) | Won 2-0 | +181457 |
| 6modern | 415 | Toyama, Keiichi (1558) | Won 2-0 | +201477 |
| 7modern | 520 | Nagata, Satoshi (1487) | Lost 1-2 | -181459 |
| 8modern | 459 | Hozuki, Atsushi (1569) | Lost 0-2 | -161443 |
| average opponent: 1567record: 4-4 | new rating: 1443 | |||
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 98 | Fujii, Toshikazu (1500) | Lost 0-2 | -181482 |
| 2extended | 114 | Yamada, Tsutomu (1530) | Lost 0-2 | -171465 |
| 3extended | 171 | Teragaki, Shunsuke (1464) | Lost 0-2 | -181447 |
| 4extended | 185 | Kawabata, Tomoyuki (1463) | Lost 0-2 | -181429 |
| 5extended | 178 | Miyake, Takaaki (1425) | Won 2-1 | +181447 |
| 6extended | 152 | Ichikawa, Yohei (1491) | Won 2-0 | +191466 |
| 7extended | 120 | Tani, Tokuo (1302) | Lost 0-2 | -211445 |
| 8extended | 104 | Ozaki, Youichirou (1415) | Lost 1-2 | -191426 |
| average opponent: 1449record: 2-6 | new rating: 1426 | |||