Ko, Hiroaki
Current rating: 1464
Record: 1-3-1
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 121 | Ueno, Takamasa (1500) | Lost 0-2 | -181482 |
| 2block | 377 | Hayashi, Hayato (1482) | Lost 0-2 | -181464 |
| 3block | 596 | Tanimoto, Ryuichi (1464) | Won 2-0 | +181482 |
| 4block | 461 | Orichi, Kenta (1482) | Draw 1-1 | 01482 |
| 5block | 490 | Sakamoto, Keita (1482) | Lost 1-2 | -181464 |
| average opponent: 1482record: 1-3-1 | new rating: 1464 | |||