Ota, Masatoshi
Current rating: 1475
Record: 6-8-2
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 555 | Takahashi, Daiki (1548) | Lost 1-2 | -161464 |
| 4standard | 620 | Tsukamoto, Tatsushi (1461) | Won 2-1 | +181482 |
| 5standard | 594 | Watanabe, Yoshiaki (1449) | Lost 1-2 | -191463 |
| 6standard | 742 | Matsumura, Taku (1656) | Won 2-1 | +221485 |
| 7standard | 642 | Takatu, Kazuhiro (1561) | Won 2-1 | +191504 |
| 8standard | 629 | Yonezawa, Musashi (1645) | Lost 0-2 | -161488 |
| 9standard | 701 | Hori, Daisuke (1746) | Lost 1-2 | -131475 |
| average opponent: 1581record: 3-4 | new rating: 1475 | |||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 73 | Yokoyama, Shigehisa (1595) | Won 2-0 | +201520 |
| 2standard | 218 | Motoyanagi, Youhei (1530) | Draw 1-1 | 01520 |
| 3standard | 268 | Fujiwara, Yuki (1518) | Lost 1-2 | -181502 |
| 4standard | 398 | Toubuchi, Eisuke (1498) | Won 2-1 | +181520 |
| 5standard | 285 | Satou, Masaya (1445) | Lost 1-2 | -201500 |
| 6standard | 368 | Niitani, Nobuhide (1500) | Lost 0-2 | -181482 |
| 7standard | 368 | Asai, Shunsuke (1481) | Won 2-0 | +181500 |
| 8standard | 290 | Suzuki, Ei (1412) | Draw 1-1 | -11499 |
| 9standard | 271 | Sekizawa, Takayuki (1481) | Lost 0-2 | -191480 |
| average opponent: 1495record: 3-4-2 | new rating: 1480 | |||