Kawashima, Seiki
Current rating: 1582
Record: 10-6
| Grand Prix Yokohama 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 211 | Ishikawa, Masayo (1620) | Won 2-1 | +201520 |
| 2modern | 77 | Sato, Kimihiko (1698) | Lost 0-2 | -151505 |
| 3modern | 573 | Kimoto, Keiya (1481) | Won 2-0 | +181523 |
| 4modern | 226 | Muranaka, Hiroya (1575) | Won 2-1 | +191542 |
| 5modern | 222 | Hasegawa, Baku (1506) | Lost 0-2 | -191523 |
| 6modern | 377 | Kudou, Koudai (1464) | Won 2-1 | +171540 |
| 7modern | 279 | Fujii, Kazuhiro (1538) | Won 2-1 | +181558 |
| 8modern | 149 | Hoshino, Masaaki (1595) | Won 2-1 | +191577 |
| 9modern | 139 | Kurosawa, Hiroki (1570) | Won 2-1 | +181595 |
| 10modern | 33 | Goda, Teppei (1586) | Won 2-0 | +171612 |
| 11modern | 28 | Hayashi, Masatake (1582) | Won 2-0 | +181630 |
| 12modern | 29 | Wada, Yuki (1741) | Lost 1-2 | -161614 |
| 13modern | 51 | Kuwahara, Yoshiki (1654) | Won 2-0 | +191633 |
| 14modern | 29 | Kouge, Kazuhiro (1583) | Lost 0-2 | -191614 |
| 15modern | 43 | Ikedo, Masakazu (1754) | Lost 1-2 | -161598 |
| 16modern | 50 | Hibino, Yasutaka (1665) | Lost 0-2 | -161582 |
| average opponent: 1601record: 10-6 | new rating: 1582 | |||