Yamauchi, Mari
Current rating: 1435
| Grand Prix Yokohama 2010 (extended) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 166 | Kawakami, Yuusuke (1500) | Won 2-1 | +181487 |
| 2extended | 185 | Kudo, Takuya (Yamagata (1518) | Lost 0-2 | -171470 |
| 3extended | 204 | Motoi, Kenichi (1505) | Lost 1-2 | -171453 |
| 4extended | 350 | Sugita, Toshihiko (1493) | Lost 1-2 | -181435 |
| top | average opponent: 1504record: 1-3 | new rating: 1435 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 34 | Sakuma, Toshimitsu (1735) | Lost 0-2 | -131470 |
| 2standard | 322 | Murakami, Kohei (1482) | Lost 0-2 | -181452 |
| 3standard | 377 | Yamamoto, Takashi (1393) | Won 2-0 | +171469 |
| top | average opponent: 1537record: 1-2 | new rating: 1469 | ||
| Grand Prix Hiroshima 2006 (CSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 92 | Anan, Kazuyoshi (1502) | Lost 0-2 | -181482 |
| 2sealed | 159 | Shiode, Mitsushi (1545) | Won 2-0 | +191501 |
| 3sealed | 89 | Yamauchi, Takehiro (1504) | Lost 1-2 | -181483 |
| top | average opponent: 1517record: 1-2 | new rating: 1483 | ||