K., Hiroaki
Current rating: 1516
Record: 3-3
| Grand Prix Kobe 2011 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 40 | Miyazaki, Kensuke (1409) | Won 2-0 | +161516 |
| 3extended | 85 | Nakano, Yoshitaka (1751) | Won 2-1 | +231539 |
| 4extended | 62 | Shimoya, Hiroyuki (1653) | Lost 1-2 | -161523 |
| 5extended | 54 | Kikuchi, Yuuji (1747) | Won 2-1 | +221545 |
| 6extended | 83 | Harada, Daisaku (1650) | Lost 0-2 | -161529 |
| 7extended | 69 | Yukuhiro, Ken (1858) | Lost 1-2 | -131516 |
| average opponent: 1678record: 3-3 | new rating: 1516 | |||