Itou, Shouichi
Current rating: 1414
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2265 | Hirabayashi, Yuki1029 (1521) | Lost 0-2 | -171431 |
| 2sealed | 2393 | Iioka, Yo (1482) | Lost 0-2 | -171414 |
| top | average opponent: 1502record: 0-2 | new rating: 1414 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 219 | Yamazaki, Hiroyuki (1424) | Lost 0-2 | -181448 |
| top | record: 0-1 | new rating: 1448 | ||
| Grand Prix Kobe 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 123 | Nakatani, Yoshihiro (1500) | Won 2-0 | +181518 |
| 2extended | 96 | Nitta, Yuki (1535) | Lost 0-2 | -181500 |
| 3extended | 183 | Shiroza, Shinichiro (1532) | Lost 0-2 | -171483 |
| 4extended | 218 | Hirata, Minoru (1560) | Lost 0-2 | -171466 |
| top | average opponent: 1532record: 1-3 | new rating: 1466 | ||