Ookubo, Ken
Current rating: 1483
Record: 1-2-1
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 761 | Mii, Masayuki (1618) | Lost 1-2 | -161484 |
| 2standard | 778 | Matsushima, Tetsuhiro (1481) | Draw 1-1 | 01484 |
| 3standard | 869 | Mori, Fumitaka (1482) | Won 2-0 | +181502 |
| 4standard | 792 | Takahashi, Yoshitaka (1452) | Lost 1-2 | -191483 |
| average opponent: 1508record: 1-2-1 | new rating: 1483 | |||