Kawasaki, Mariko
Current rating: 1378
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 51 | Kimura, Hikaru (1500) | Won 2-1 | +191446 |
| 2block | 55 | Nakajima, Daisuke (1517) | Lost 0-2 | -161430 |
| 3block | 291 | Mihara, Takumi (1414) | Lost 0-2 | -191411 |
| 4block | 306 | Hioki, Keisuke (1503) | Lost 1-2 | -161395 |
| 5block | 323 | Suwa, Masashi (1466) | Lost 0-2 | -171378 |
| top | average opponent: 1480record: 1-4 | new rating: 1378 | ||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 104 | Mochizuki, Kazuhiro (1411) | Lost 0-2 | -201463 |
| 2sealed | 256 | Imai, Daisuke (1428) | Lost 0-2 | -181445 |
| 3sealed | 286 | Tanaka, Tomonori (1460) | Lost 0-2 | -181427 |
| top | average opponent: 1433record: 0-3 | new rating: 1427 | ||
| Grand Prix Sendai 2001 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 64 | Hirano, Yoshiki (1500) | Lost 1-2 | -181482 |
| 2extended | 129 | Sasaki, Hidetsugu (1481) | Lost 1-2 | -181464 |
| 3extended | 178 | Mameta, Ikuhiro (1464) | Won 2-1 | +181482 |
| 4extended | 187 | Shoji, Makoto (1482) | Won 2-0 | +181500 |
| 5extended | 149 | Ida, Takahito (1499) | Won 2-1 | +181518 |
| 6extended | 104 | Osaki, Motohiro (1504) | Lost 0-2 | -181500 |
| 7extended | 123 | Miura, Akiyoshi (1548) | Lost 0-2 | -171483 |
| top | average opponent: 1497record: 3-4 | new rating: 1483 | ||