Okamoto, Satoshi
Current rating: 1559
Record: 23-20-1
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1551 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 155 | Sakurai, Wataru (1506) | Won 2-0 | +171568 |
| 3sealed | 82 | Nakano, Ryoji (1536) | Won 2-0 | +171585 |
| 4sealed | 49 | Chu, Chang-Hung (1482) | Won 2-1 | +171602 |
| 5sealed | 5 | Tateno, Tomoaki (1385) | Won 2-0 | +141616 |
| 6sealed | 9 | Kawahama, Yoshikazu (1563) | Lost 0-2 | -191597 |
| 7sealed | 39 | Asahina, Taku (1574) | Lost 1-2 | -191578 |
| 8sealed | 193 | Ideue, Yuuki (1487) | Lost 1-2 | -191559 |
| top | average opponent: 1505record: 4-3 | new rating: 1559 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 403 | Tabuchi, Youichi (1408) | Won 2-0 | +151574 |
| 3standard | 131 | Tasaki, Yasuhiro (1505) | Lost 0-2 | -191555 |
| 4standard | 532 | Kamakura, Jun (1533) | Won 2-0 | +171572 |
| 5standard | 126 | Cho, Kou (1658) | Won 2-1 | +201592 |
| 6standard | 117 | Toyota, Hiroki (1446) | Lost 1-2 | -211571 |
| 7standard | 177 | Fujimoto, Tomoya (1531) | Lost 1-2 | -191552 |
| 8standard | 316 | Sunaga, Masahiro (1505) | Won 2-0 | +171569 |
| 9standard | 257 | Yanase, Kaname (1532) | Lost 0-2 | -181551 |
| top | average opponent: 1515record: 4-4 | new rating: 1551 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1561 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 346 | Oshima, Yuki (1499) | Won 2-1 | +171578 |
| 3modern | 48 | Arita, Ryuichi (1764) | Won 2-1 | +211599 |
| 4modern | 103 | Muto, Masaharu (1524) | Lost 0-2 | -191580 |
| 5modern | 213 | Ichige, Masato (1535) | Won 2-1 | +171597 |
| 6modern | 78 | Arahori, Kazuaki (1594) | Lost 1-2 | -181579 |
| 7modern | 298 | Nogami, Daisuke (1537) | Won 2-0 | +171596 |
| 8modern | 158 | Miyakawa, Toshihiro (1553) | Lost 0-2 | -181578 |
| 9modern | 158 | Yamazaki, Yuuki (Kanagawa) (1523) | Lost 1-2 | -191559 |
| top | average opponent: 1566record: 4-4 | new rating: 1559 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 64 | Kanegawa, Toshiya (1564) | Won 2-0 | +181537 |
| 3sealed | 108 | Yasuda, Kazuki (1535) | Lost 0-2 | -181519 |
| 4sealed | 170 | Soh, Terry (2015) | Won 2-1 | +271546 |
| 5sealed | 199 | Yamauchi, Kazushi (1431) | Lost 0-2 | -201526 |
| 6sealed | 246 | Nakai, Sunao (1516) | Won 2-1 | +171543 |
| 7sealed | 163 | Traboco, Manuel (1512) | Won 2-1 | +181561 |
| 8sealed | 149 | Tsuboyama, Shuta (1522) | Won 2-1 | +171578 |
| 9sealed | 99 | Chye, Yian Hsiang (1631) | Lost 0-2 | -171561 |
| top | average opponent: 1591record: 5-3 | new rating: 1561 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 124 | Someya, Syun (1500) | Won 2-0 | +191484 |
| 2standard | 66 | Takagi, Takayuki (1871) | Won 2-0 | +251509 |
| 3standard | 38 | Chen, Liang (1841) | Won 2-1 | +241533 |
| 4standard | 65 | Gromko, Radoslaw (1604) | Lost 1-2 | -171516 |
| 5standard | 102 | Nakamura, Junya (1633) | Lost 1-2 | -161500 |
| 6standard | 180 | Yuda, Chikara (1513) | Won 2-0 | +181518 |
| 7standard | 90 | Koshimura, Takeshi (1539) | Won 2-0 | +191537 |
| 8standard | 109 | Tada, Hidenobu (1536) | Lost 1-2 | -181519 |
| top | average opponent: 1630record: 5-3 | new rating: 1519 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 92 | Sasaki, Tsuyoshi (1522) | Won 2-0 | +181518 |
| 2extended | 102 | Okauchi, Yuuta (1542) | Lost 0-2 | -171501 |
| 3extended | 107 | Goto, Daiki (1503) | Lost 0-2 | -181483 |
| 4extended | 314 | Oshima, Takafumi (1483) | Draw 1-1 | 01483 |
| 5extended | 256 | Nakabou, Masato (1506) | Lost 0-2 | -181465 |
| top | average opponent: 1511record: 1-3-1 | new rating: 1465 | ||