Shimamura, Masatoshi
Current rating: 1469
| Grand Prix Okayama 2004 (extended) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 101 | Uematsu, Kei (1500) | Won 2-0 | +191503 |
| 2extended | 36 | Takayama, Kenta (1576) | Lost 0-2 | -171486 |
| 3extended | 98 | Aoki, Yasunori (1499) | Won 2-1 | +181504 |
| 4extended | 88 | Kobayashi, Masanori(Aichi) (1496) | Won 2-0 | +181522 |
| 5extended | 77 | Nakatani, Haruki (1526) | Lost 0-2 | -181504 |
| 6extended | 115 | Sawada, Youhei (1523) | Lost 1-2 | -171487 |
| 7extended | 93 | Yamada, Yasuo (1492) | Lost 0-2 | -181469 |
| 8extended | 95 | Miyauchi, Toshiaki (1483) | Draw 1-1 | 01469 |
| top | average opponent: 1512record: 3-4-1 | new rating: 1469 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 75 | Sato, Shinichi (1633) | Lost 0-2 | -151469 |
| 2block | 335 | Sato, Kazuya (1482) | Lost 0-2 | -181451 |
| 3block | 361 | Tomita, Hikaru (1378) | Won 2-0 | +171468 |
| 4block | 273 | Miyanaga, Eiji (1483) | Draw 1-1 | 01468 |
| 5block | 302 | Aizawa, Keiji (1482) | Lost 1-2 | -181450 |
| 6block | 313 | Nakao, Munenari (1433) | Draw 1-1 | 01450 |
| 7block | 288 | Oosaki, Masakazu (1358) | Won 2-1 | +161466 |
| 8block | 239 | Matsuya, Kouji (1479) | Won 2-1 | +181484 |
| top | average opponent: 1466record: 3-3-2 | new rating: 1484 | ||
| Grand Prix Hiroshima 2001 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 32 | Kubouchi, Naoki (1545) | Lost 0-2 | -171483 |
| 3sealed | 157 | Takao, Fumiaki (1500) | Won 2-1 | +181501 |
| 4sealed | 60 | Hirakawa, Akito (1517) | Lost 0-2 | -181483 |
| 5sealed | 114 | Inaba, Toyohiko (1500) | Won 2-1 | +191502 |
| 6sealed | 102 | Anan, Go (1520) | Lost 1-2 | -181484 |
| top | average opponent: 1516record: 2-3 | new rating: 1484 | ||