Kato, Tatsuya
Current rating: 1516
Record: 5-4
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 98 | Ogushi, Takayasu (1500) | Won 2-1 | +181535 |
| 2sealed | 63 | Kazuaki K., (1500) | Lost 1-2 | -191516 |
| average opponent: 1500record: 1-1 | new rating: 1516 | |||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 248 | Imamura, Akihiro (1464) | Won 2-1 | +171517 |
| 2standard | 30 | Umezawa, Shinobu (1514) | Lost 1-2 | -181499 |
| 3standard | 177 | Nakazuka, Yuuki (1505) | Won 2-1 | +181517 |
| 4standard | 280 | Okada, Keita (1520) | Won 2-0 | +181535 |
| 5standard | 137 | Shima, Junichirou (1535) | Lost 0-2 | -181517 |
| 6standard | 191 | Krejsa, Tomas (1548) | Lost 0-2 | -171500 |
| 7standard | 261 | Niwa, Kazumasa (1465) | Won 2-1 | +171517 |
| average opponent: 1507record: 4-3 | new rating: 1517 | |||