Udaka, Shingo
Current rating: 1480
Record: 2-3
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 244 | Serizawa, Hiroki (1465) | Won 2-0 | +171517 |
| 2sealed | 183 | Nishiura, Ryosuke (1533) | Lost 1-2 | -171500 |
| 3sealed | 313 | Nakajo, Hiroshi (1497) | Lost 1-2 | -181482 |
| 4sealed | 427 | Senshuu, Yoshinori (1431) | Won 2-1 | +171499 |
| 5sealed | 300 | Shimada, Katsuhiro (1455) | Lost 0-2 | -191480 |
| average opponent: 1476record: 2-3 | new rating: 1480 | |||