Watahiki, Hiroto
Current rating: 1482
Record: 1-2-1
| Grand Prix Sendai 2001 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 48 | Koyanagi, Yasunori (1500) | Lost 0-2 | -181482 |
| 2extended | 137 | Hirayama, Susumu (1482) | Draw 1-1 | 01482 |
| 3extended | 162 | Saito, Takanori (1464) | Won 2-0 | +181500 |
| 4extended | 141 | Kikuchi, Tomoyuki (1500) | Lost 0-2 | -181482 |
| average opponent: 1486record: 1-2-1 | new rating: 1482 | |||