Ishikawa, Yusuke
Current rating: 1446
Record: 4-7
| Grand Prix Yokohama 2019 (modern) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 101 | Akiba, Hiroyuki (1447) | Lost 0-2 | -181462 |
| 2modern | 905 | Aoki, Takeyuki (1427) | Lost 0-2 | -191443 |
| 3modern | 1079 | Miyamoto, Yutaro (1625) | Won 2-0 | +211464 |
| 4modern | 983 | Kosaka, Ryohei (1415) | Lost 1-2 | -181446 |
| average opponent: 1479record: 1-3 | new rating: 1446 | |||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 584 | Fukuju, Tabito (1393) | Lost 1-2 | -201480 |
| 2standard | 1007 | Kusakari, Rei (1464) | Won 2-1 | +181498 |
| 3standard | 1362 | Saitou, Mayo (1445) | Won 2-1 | +171515 |
| 4standard | 684 | Simizu, Shou (1518) | Won 1-0 | +181533 |
| 5standard | 237 | Okumura, Noriaki (1632) | Lost 1-2 | -161517 |
| 6standard | 692 | Yoshida, Yutarou (1519) | Lost 0-2 | -181499 |
| 7standard | 906 | Yamaoka, Keita (1482) | Lost 0-2 | -191480 |
| average opponent: 1493record: 3-4 | new rating: 1480 | |||