Senda, Koutarou
Current rating: 1445
Record: 0-3-1
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 129 | Shiraishi, Masaharu (1523) | Lost 0-2 | -181482 |
| 2sealed | 294 | Yachi, Hajime (1430) | Draw 1-1 | -11481 |
| 3sealed | 258 | Hasegawa, Hiroyuki (1484) | Lost 0-1 | -171464 |
| 4sealed | 299 | Igarashi, Jun (1460) | Lost 0-2 | -191445 |
| average opponent: 1474record: 0-3-1 | new rating: 1445 | |||