Souma, Takeo
Current rating: 1484
Record: 2-3
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 184 | Miyabe, Kouichi (1542) | Lost 1-2 | -171483 |
| 2extended | 314 | Shibata, Takashi (1482) | Won 2-1 | +181501 |
| 3extended | 310 | Kawamura, Kento (1554) | Lost 0-2 | -171484 |
| 4extended | 353 | Miura, Seitarou (1537) | Lost 1-2 | -171467 |
| 5extended | 393 | Lunde, James s (1448) | Won 2-0 | +171484 |
| average opponent: 1513record: 2-3 | new rating: 1484 | |||