Sato, Kazumasa
Current rating: 1565
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 542 | Mizutani, Tomoya (1500) | Won 2-0 | +181526 |
| 2standard | 601 | Kobori, Tetsuya (1507) | Won 2-0 | +171543 |
| 3standard | 605 | Hosoiri, Yoshihito (1619) | Lost 0-2 | -161527 |
| 4standard | 675 | Tsuboyama, Shuta (1437) | Won 2-1 | +161543 |
| 5standard | 597 | Takahashi, Osamu (1463) | Lost 1-2 | -191524 |
| 6standard | 691 | Sugiyama, Watery (1520) | Won 2-1 | +171541 |
| 7standard | 637 | Sugimoto, Yuuki (1588) | Won 2-0 | +191560 |
| 8standard | 607 | Yano, Hiromi (1555) | Won 2-1 | +181578 |
| 9standard | 663 | Hada, Nobuto (1526) | Won 2-1 | +171595 |
| 10standard | 93 | Imai, Masakatsu (1562) | Lost 0-2 | -181577 |
| 11standard | 106 | Bandou, Junichirou (1702) | Won 2-1 | +201597 |
| 12standard | 57 | Nakayama, Takuya (1628) | Lost 0-2 | -171580 |
| 13standard | 84 | Matsushita, Junnya (1649) | Won 2-1 | +191599 |
| 14standard | 67 | Tsujikawa, Taiga (1697) | Lost 0-2 | -161583 |
| 15standard | 86 | Ozawa, Tetsuya (1621) | Lost 0-2 | -181565 |
| top | average opponent: 1572record: 9-6 | new rating: 1565 | ||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 64 | Uesugi, Zenkyou (1502) | Won 2-0 | +181521 |
| 2sealed | 6 | Tajiri, Satoshi (1493) | Lost 0-2 | -181503 |
| 3sealed | 146 | Sugiki, Takafumi (1690) | Won 2-1 | +211524 |
| 4sealed | 110 | Yun, Suhan (1618) | Lost 1-2 | -161508 |
| top | average opponent: 1576record: 2-2 | new rating: 1508 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 138 | Eguchi, Sho (1500) | Lost 1-2 | -181482 |
| 3block | 301 | Tominaga, Yoichi (1482) | Won 2-1 | +181500 |
| 4block | 114 | Shimizu, Junji (1539) | Won 2-0 | +191519 |
| 5block | 65 | Yanagi, Hiroki (1538) | Lost 1-2 | -181501 |
| 6block | 193 | Kim, Sung-Mook (1469) | Won 2-1 | +171518 |
| 7block | 132 | Kurihara, Shingou (1504) | Lost 0-2 | -181500 |
| 8block | 146 | Doiuchi, Yasuhiro (1597) | Won 2-1 | +201520 |
| 9block | 120 | Fukaishi, Takahiro (1546) | Won 2-1 | +181538 |
| 10block | 80 | Bandou, Junichirou (1590) | Lost 0-2 | -171521 |
| 11block | 94 | Ino, Kentaro (1507) | Lost 1-2 | -181503 |
| top | average opponent: 1527record: 5-5 | new rating: 1503 | ||