Ishigami, Takuya
Current rating: 1508
Record: 4-4
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1056 | Itou, Yuusaku (1500) | Lost 1-2 | -181482 |
| 2sealed | 967 | Ueda, Shigeki (1447) | Won 2-0 | +171499 |
| 3sealed | 856 | Miyawaki, Wataru (1599) | Won 2-0 | +201519 |
| 4sealed | 889 | Saigusa, Shoutarou (1521) | Won 2-1 | +181537 |
| 5sealed | 840 | Suga, Hayato (1533) | Won 2-0 | +181555 |
| 6sealed | 782 | Kim, Cynic (1745) | Lost 1-2 | -141541 |
| 7sealed | 863 | Takahashi, Mikito (1518) | Lost 0-2 | -191522 |
| 8sealed | 993 | Yasuda, Masayuki (1736) | Lost 1-2 | -141508 |
| average opponent: 1575record: 4-4 | new rating: 1508 | |||