Kobata, Tetsuro
Current rating: 1545
Record: 8-6
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 92 | Nakazawa, Kazuhiro (1572) | Lost 0-2 | -171521 |
| 3extended | 116 | Katayama, Hidenori (1485) | Won 2-1 | +171538 |
| 4extended | 79 | Takasaki, Yuichi (1673) | Won 2-0 | +211559 |
| 5extended | 35 | Okumura, Genki (1623) | Won 2-0 | +191578 |
| 6extended | 36 | Ikeda, Tsuyoshi (1796) | Lost 0-2 | -141564 |
| 7extended | 60 | Toochika, Takayuki (1501) | Lost 1-2 | -191545 |
| average opponent: 1608record: 3-3 | new rating: 1545 | |||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 236 | Mizutani, Naoki (1500) | Won 2-0 | +181518 |
| 3block | 189 | Suzuki, Takaaki (1561) | Won 2-0 | +191537 |
| 4block | 131 | Kawashima, Nobutaka (1536) | Won 2-1 | +181555 |
| 5block | 45 | Fukata, Takamasa (1570) | Lost 1-2 | -181537 |
| 6block | 141 | Imaizumi, Hirofumi (1554) | Won 2-1 | +181555 |
| 7block | 30 | Akemitsu, Hiroaki (1554) | Lost 1-2 | -181537 |
| 8block | 143 | Kuroda, Toshiyuki (1588) | Lost 0-2 | -171520 |
| 9block | 129 | Fukuchi, Takahiro (1514) | Won 2-1 | +181538 |
| average opponent: 1547record: 5-3 | new rating: 1538 | |||