Ishimaru, Suguru
Current rating: 1447
Record: 1-4
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 138 | Kawai, Yusuke (1522) | Lost 0-2 | -181482 |
| 2standard | 347 | Yamamoto, Taichi (1482) | Lost 1-2 | -181464 |
| 3standard | 371 | Kondo, Hirotsugu (1447) | Won 2-0 | +181482 |
| 4standard | 290 | Hibino, Yasutaka (1512) | Lost 0-2 | -171465 |
| 5standard | 385 | Iwaide, Yoshitaka (1464) | Lost 0-2 | -181447 |
| average opponent: 1485record: 1-4 | new rating: 1447 | |||