Ishikawa, Shouzou
Current rating: 1487
Record: 7-8
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 86 | Yamada, Yuta (1461) | Lost 1-2 | -181484 |
| 2standard | 798 | Okuyama, Kouhei (1444) | Won 2-1 | +171501 |
| 3standard | 1096 | Noto, Jun (1622) | Lost 0-2 | -161485 |
| 4standard | 1083 | Hirayama, Hideyuki (1564) | Won 2-0 | +201505 |
| 5standard | 838 | Muramatsu, Yoshiyuki (1528) | Lost 1-2 | -181487 |
| 6standard | 1030 | Seino, Kenta (1486) | Won 2-0 | +181505 |
| 7standard | 741 | Yamaguchi, Takumi (1522) | Lost 1-2 | -181487 |
| average opponent: 1518record: 3-4 | new rating: 1487 | |||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 142 | Minezaki, Akira (1524) | Won 2-0 | +181518 |
| 2standard | 508 | Matubayashi, Kazunori (1629) | Lost 1-2 | -161502 |
| 3standard | 1158 | Fukuju, Tabito (1397) | Lost 1-2 | -191483 |
| 4standard | 1349 | Hada, Kazumasa (1406) | Won 2-1 | +161499 |
| 5standard | 1169 | Nagami, Youichi (1742) | Lost 0-2 | -141485 |
| 6standard | 1186 | Suzuki, Kiyofumi (1484) | Won 2-0 | +181503 |
| 7standard | 1102 | Kajita, Hiroki (1452) | Won 2-0 | +181521 |
| 8standard | 767 | Miyagawa, Kazuma (1519) | Lost 1-2 | -191502 |
| average opponent: 1519record: 4-4 | new rating: 1502 | |||