Naoki K.,
Current rating: 1464
Record: 1-3-1
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 221 | Nakayama, Yusaku (1500) | Won 2-0 | +181518 |
| 2standard | 115 | Tatsurou S., (1518) | Draw 1-1 | 01518 |
| 3standard | 102 | Itou, Syuhei (1517) | Lost 0-2 | -181500 |
| 4standard | 251 | Shimada, Hiroya (1613) | Lost 1-2 | -161484 |
| 5standard | 300 | Yokoyama, Mitsunori (1379) | Lost 1-2 | -201464 |
| average opponent: 1506record: 1-3-1 | new rating: 1464 | |||