Isa, Shougo
Current rating: 1430
Record: 2-6
| Grand Prix Yokohama 2010 (extended) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 238 | Yamashita, Hiromichi (1500) | Lost 0-2 | -171427 |
| 2extended | 376 | Sekizawa, Takayuki (1407) | Lost 0-2 | -181409 |
| 3extended | 437 | Horie, Isamu (1469) | Won 2-1 | +191428 |
| 4extended | 447 | Soda, Keisuke (1482) | Won 2-0 | +191447 |
| 5extended | 342 | Hirayama, Hideyuki (1502) | Lost 1-2 | -171430 |
| average opponent: 1472record: 2-3 | new rating: 1430 | |||
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 188 | Tezuka, Yuuki (1453) | Lost 0-2 | -191481 |
| 2sealed | 295 | Iino, Ryuji (1428) | Lost 0-2 | -191462 |
| 3sealed | 266 | Aryabhima, Rahman (1464) | Lost 0-2 | -181444 |
| average opponent: 1448record: 0-3 | new rating: 1444 | |||