Masakazu O.,
Current rating: 1535
Record: 10-8
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 326 | Koizumi, Ryuta (1500) | Won 2-1 | +181496 |
| 2standard | 87 | Takaizumi, Yosuke (1519) | Won 2-1 | +191515 |
| 3standard | 106 | Yoshida, Shintarou (1631) | Lost 0-2 | -161499 |
| 4standard | 334 | Takahashi, Katsumi (1473) | Lost 0-2 | -191480 |
| 5standard | 296 | Hinohara, Toyokazu (1473) | Won 2-0 | +181498 |
| 6standard | 308 | Cho, Won-Suk (1484) | Won 2-1 | +181516 |
| 7standard | 128 | Maruyama, Nobuhiro (1554) | Won 2-0 | +191535 |
| 8standard | 148 | Matsuda, Tomoko (1437) | Won 2-0 | +161551 |
| 9standard | 63 | Urasaki, Takayuki (1654) | Lost 1-2 | -161535 |
| average opponent: 1525record: 6-3 | new rating: 1535 | |||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 299 | Ichikawa, Sonomi (1500) | Lost 1-2 | -181482 |
| 2standard | 422 | Kawada, Hiroyuki (1483) | Won 2-1 | +181500 |
| 3standard | 556 | Kaga, Hiroyuki (1468) | Won 2-1 | +171517 |
| 4standard | 364 | Katsu, Masahiro (1288) | Lost 0-2 | -221495 |
| 5standard | 494 | Katou, Munehiro (1501) | Lost 1-2 | -181477 |
| 6standard | 540 | Satou, Kouji (1480) | Won 2-0 | +181495 |
| 7standard | 419 | Hoshino, Masaaki (1518) | Lost 1-2 | -171478 |
| 8standard | 406 | Tashiro, Atsunori (1479) | Lost 1-2 | -181460 |
| 9standard | 367 | Yoge, Teruhiko (1466) | Won 2-1 | +181478 |
| average opponent: 1465record: 4-5 | new rating: 1478 | |||