Okumura, Tomotaka
Current rating: 1369
Record: 5-13
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1409 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 23 | Ueda, Yushi (1396) | Won 2-1 | +181427 |
| 2standard | 193 | Fujikawa, Takeo (1536) | Lost 0-2 | -161411 |
| 3standard | 315 | Mita, Shohei (1458) | Lost 0-2 | -171394 |
| 4standard | 322 | Katau, Yoshito (1507) | Lost 1-2 | -161378 |
| 5standard | 355 | Uesugi, Fumiya (1467) | Won 2-1 | +191397 |
| 6standard | 302 | Hirayama, Hideyuki (1639) | Lost 0-2 | -131384 |
| 7standard | 258 | Hirabayashi, Kazuki (1378) | Won 2-0 | +181402 |
| 8standard | 215 | Ogasawara, Ken (1505) | Lost 0-2 | -171385 |
| 9standard | 334 | Shirai, Yuusuke (1451) | Lost 1-2 | -161369 |
| average opponent: 1482record: 3-6 | new rating: 1369 | |||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 465 | Kanazawa, Shuu (1556) | Lost 0-2 | -171483 |
| 2standard | 431 | Tokuyama, Takahisa (1482) | Won 2-0 | +181501 |
| 3standard | 641 | Itou, Masayoshi (1462) | Won 2-1 | +171518 |
| 4standard | 339 | Kawahama, Yoshikazu (1482) | Lost 1-2 | -181500 |
| 5standard | 505 | Fujiwara, Takashi (1498) | Lost 1-2 | -181482 |
| 6standard | 601 | Kamata, Tsukasa (1483) | Lost 0-2 | -181464 |
| 7standard | 528 | Kobayashi, Takeshi (1464) | Lost 1-2 | -181446 |
| 8standard | 448 | Maeda, Takayuki (1415) | Lost 1-2 | -191427 |
| 9standard | 375 | Takechi, Kazuma (1428) | Lost 0-2 | -181409 |
| average opponent: 1474record: 2-7 | new rating: 1409 | |||