Yamanaka, Kazuo
Current rating: 1430
Record: 1-5
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 259 | Ryo, Tomohiro (1464) | Lost 0-0 | -191481 |
| 2sealed | 188 | Babasaki, Taro (1480) | Lost 0-2 | -181463 |
| 3sealed | 248 | Saito, Tomoya (1576) | Lost 1-2 | -161447 |
| 4sealed | 275 | Kanegawa, Toshiya (1481) | Lost 1-2 | -171430 |
| 5sealed | 245 | Takeuchi, Hijiri (1407) | Won 2-0 | +181448 |
| 6sealed | 92 | Yamanishi, Kunihiko (1443) | Lost 0-2 | -181430 |
| average opponent: 1475record: 1-5 | new rating: 1430 | |||