Yamada, Katsushi
Current rating: 1518
Record: 5-4
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1052 | Y., Yoshihiro (1500) | Lost 1-2 | -181482 |
| 2sealed | 1049 | Chuuganji, Yoshimi (1483) | Won 2-0 | +181500 |
| 3sealed | 978 | Anan, Kazuyoshi (1507) | Lost 0-2 | -181482 |
| 4sealed | 1064 | Rojanapthayakorn, Pach (1485) | Won 2-0 | +181500 |
| 5sealed | 985 | Kato, Ryuta (1521) | Won 2-0 | +191519 |
| 6sealed | 933 | Matsushita, Takayuki (1514) | Lost 1-2 | -181501 |
| 7sealed | 914 | N., Ryouta(tokyo (1485) | Lost 1-2 | -191482 |
| 8sealed | 1028 | Renger, Michael (1428) | Won 2-0 | +171499 |
| 9sealed | 986 | Fujii, Mikiya (1526) | Won 2-0 | +191518 |
| average opponent: 1494record: 5-4 | new rating: 1518 | |||