Watanabe, Natsuko
Current rating: 1408
Record: 0-5
| Grand Prix Niigata 2005 (Kamigawa block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 79 | Sugai, Yasuhito (1500) | Lost 1-2 | -181482 |
| 2block | 140 | Hanawa, Atsushi (1348) | Lost 0-2 | -201462 |
| 3block | 188 | Hirayama, Susumu (1481) | Lost 0-2 | -181444 |
| 4block | 224 | Nagahara, Jun-ichi (1445) | Lost 1-2 | -181426 |
| 5block | 209 | Kasuga, Takuya (1428) | Lost 0-2 | -181408 |
| average opponent: 1441record: 0-5 | new rating: 1408 | |||