S., Keisuke
Current rating: 1514
Record: 6-6-1
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 183 | Mashima, Mitsuharu (1810) | Won 2-0 | +231523 |
| 4standard | 85 | Nakai, Sunao (1594) | Won 2-1 | +201543 |
| 5standard | 80 | Yam, Wing Chun (1735) | Won 2-1 | +211564 |
| 6standard | 29 | Tonouchi, Keita (1605) | Lost 1-2 | -171547 |
| 7standard | 104 | Omori, Ken'ichirou (1817) | Lost 1-2 | -131534 |
| 8standard | 178 | Omonishi, Kojiro (1456) | Lost 0-2 | -201514 |
| average opponent: 1669record: 3-3 | new rating: 1514 | |||
| Grand Prix Kobe 2011 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 189 | Ihara, Kazuki (1483) | Won 2-0 | +181518 |
| 2extended | 45 | Ito, Tomoki (1523) | Won 2-1 | +181536 |
| 3extended | 40 | Boonvoraset, Sirisak (1475) | Won 2-1 | +171553 |
| 4extended | 89 | Wada, Hiroya (1621) | Draw 0-0 | +11554 |
| 5extended | 44 | Okajima, Shougo (1500) | Lost 1-2 | -191535 |
| 6extended | 102 | Takao, Shota (1582) | Lost 0-2 | -171518 |
| 7extended | 152 | I., Shouichi (1523) | Lost 1-2 | -181500 |
| average opponent: 1530record: 3-3-1 | new rating: 1500 | |||