Ishihara, Takashi (Fukuoka)
Current rating: 1475
Record: 3-5
| Grand Prix Yokohama 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 94 | Sato, Hisao (1446) | Won 2-0 | +171517 |
| 3modern | 176 | Shimizu, Ryouta (1536) | Lost 1-2 | -181499 |
| 4modern | 276 | Okada, Wataru (1774) | Won 2-0 | +231522 |
| 5modern | 303 | Misumi, Kyouhei (1532) | Lost 1-2 | -181504 |
| 6modern | 276 | Wada, Yuki (1645) | Lost 0-2 | -151489 |
| 7modern | 407 | Suzuki, Kiyofumi (1515) | Won 2-1 | +181507 |
| 8modern | 293 | Hiraga, Masahiro (1709) | Lost 1-2 | -141493 |
| 9modern | 239 | Ashizawa, Yoshisato (1506) | Lost 1-2 | -181475 |
| average opponent: 1583record: 3-5 | new rating: 1475 | |||