Aikawa, Shingo
Current rating: 1410
Record: 5-11
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1391 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 315 | Tanahashi, Hirofumi (1430) | Won 2-1 | +191410 |
| 2standard | 140 | Mashiko, Yuuya (1517) | Won 2-1 | +201430 |
| 3standard | 41 | Tamura, Hajime (1477) | Won 2-0 | +181448 |
| 4standard | 109 | Yamada, Kenichi (1464) | Won 2-1 | +191467 |
| 5standard | 13 | Nakatani, Haruki (1800) | Lost 0-2 | -121455 |
| 6standard | 121 | Iwasaki, Yuusuke (1889) | Lost 1-2 | -111444 |
| 7standard | 187 | Komatsu, Satoshi (1512) | Lost 0-2 | -171427 |
| 8standard | 151 | Imamura, Hirotaka (1481) | Lost 1-2 | -171410 |
| average opponent: 1571record: 4-4 | new rating: 1410 | |||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 257 | Nonaka, Jun (1500) | Lost 0-2 | -181482 |
| 2extended | 447 | Watanabe, Kazuya (1482) | Lost 0-2 | -181464 |
| 3extended | 418 | Kanekiyo, Ryusuke (1487) | Lost 0-2 | -181446 |
| 4extended | 479 | Nakao, Toshitaka (1445) | Won 2-1 | +181464 |
| 5extended | 428 | Niwa, Kohei (1482) | Lost 1-2 | -171447 |
| 6extended | 363 | Tateno, Tomoaki (1367) | Lost 1-2 | -201427 |
| 7extended | 289 | Takibana, Hitoshi (1430) | Lost 1-2 | -181409 |
| 8extended | 180 | Hisaki, Yuu (1388) | Lost 0-2 | -181391 |
| average opponent: 1448record: 1-7 | new rating: 1391 | |||