Yamasaki, Ryo
Current rating: 1569
Record: 8-4
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1574 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 329 | Kobayashi, Jyun (1528) | Won 2-1 | +181592 |
| 2sealed | 192 | Udagawa, Takafumi (1518) | Won 2-0 | +161608 |
| 3sealed | 55 | Watanabe, Yasunari (1536) | Lost 0-2 | -191589 |
| 4sealed | 182 | Terai, Tadayuki (1485) | Lost 1-2 | -201569 |
| average opponent: 1517record: 2-2 | new rating: 1569 | |||
| Grand Prix Sendai 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 80 | Mochizuki, Takahito (1501) | Won 2-1 | +181518 |
| 2sealed | 93 | Shibata, Toshiya (1481) | Lost 0-2 | -191499 |
| 3sealed | 197 | Umi, Hirokazu (1502) | Lost 1-2 | -181481 |
| 4sealed | 177 | Aihara, Yoshiteru (1483) | Won 2-1 | +181499 |
| 5sealed | 134 | Fukushima, Yuuji (1545) | Won 2-0 | +191518 |
| 6sealed | 82 | Toida, Kiyoshi (1481) | Won 2-0 | +181536 |
| 7sealed | 95 | Itou, Shougo (1600) | Won 2-1 | +191555 |
| 8sealed | 51 | Sumi, Kazuhiko (1646) | Won 2-0 | +191574 |
| average opponent: 1530record: 6-2 | new rating: 1574 | |||