Ooba, Tomohiro
Current rating: 1469
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1081 | Yanagihara, Ryuto (1500) | Lost 0-2 | -181467 |
| 2sealed | 1374 | Goto, Yoshimasa (1501) | Won 2-0 | +191486 |
| 3sealed | 1067 | Yokoi, Hiroki (1501) | Lost 1-2 | -181468 |
| 4sealed | 1203 | Kato, Go (1483) | Won 2-0 | +181486 |
| 5sealed | 1124 | Habata, Issei (1539) | Lost 1-2 | -171469 |
| top | average opponent: 1505record: 2-3 | new rating: 1469 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 890 | Ueyama, Hideo (1482) | Lost 0-2 | -181446 |
| 2sealed | 1089 | Kinjou, Shuuichi (1484) | Won 2-0 | +191465 |
| 3sealed | 1045 | Sato, Daisuke (1427) | Won 2-0 | +171482 |
| 4sealed | 832 | Arai, Reo (1520) | Won 2-0 | +191501 |
| 5sealed | 832 | Itou, Hayato (1537) | Lost 1-2 | -171484 |
| 6sealed | 899 | Ishiyama, Kenichi (1501) | Won 2-1 | +181502 |
| 7sealed | 831 | Kataoka, Hiroaki (1543) | Lost 1-2 | -171485 |
| top | average opponent: 1499record: 4-3 | new rating: 1485 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 314 | Moriya, Jun (1579) | Lost 0-0 | -171483 |
| 2sealed | 180 | Yamasaki, Toshihiro (1366) | Draw 1-1 | -21481 |
| 3sealed | 230 | Sakakuchi, Takashi (1480) | Won 2-0 | +181499 |
| 4sealed | 198 | Nakamura, Toshiki (1534) | Lost 0-2 | -171482 |
| 5sealed | 219 | Maki, Toshiya (1483) | Lost 0-2 | -181464 |
| top | average opponent: 1488record: 1-3-1 | new rating: 1464 | ||