Watanabe, Naoya
Current rating: 1424
Record: 0-4
| Grand Prix Kobe 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 10 | Sasaki, Yuusuke (Osaka) (1484) | Lost 0-2 | -181482 |
| 2extended | 219 | Kimura, Shigeki (1424) | Lost 0-2 | -191463 |
| 3extended | 237 | Nishimoto, Takuya (1369) | Lost 1-2 | -201443 |
| 4extended | 254 | Isoda, Yusuke (1376) | Lost 1-2 | -191424 |
| average opponent: 1413record: 0-4 | new rating: 1424 | |||