Okamoto, Takaki
Current rating: 1551
Record: 20-20-1
| Grand Prix Kobe 2017 (modern) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 612 | Kobachi, Rikiya (1521) | Won 2-0 | +191481 |
| 3modern | 243 | Yano, Kunihiro (1739) | Lost 1-2 | -131468 |
| 4modern | 405 | Hayashi, Tatsuya (1426) | Won 2-0 | +171485 |
| 5modern | 589 | Koike, Katsutoshi (1452) | Won 2-1 | +171502 |
| 6modern | 363 | Mori, Yohei (1556) | Won 2-0 | +191521 |
| 7modern | 90 | Kobayashi, Tetsuro (1615) | Lost 0-2 | -161505 |
| 8modern | 243 | Inoguchi, Hironobu (1566) | Lost 0-2 | -171488 |
| 9modern | 527 | Hori, Kota (1536) | Won 2-1 | +191507 |
| 10modern | 270 | Shimizu, Yuji (1574) | Won 2-0 | +191526 |
| 11modern | 161 | Ito, Shinichi (1670) | Won 2-1 | +211547 |
| 12modern | 103 | Hayashi, Naoki (1680) | Won 2-0 | +201567 |
| 13modern | 63 | Imanishi, Eiji (1595) | Lost 1-2 | -171550 |
| 14modern | 99 | Shibata, Akira (1585) | Won 2-0 | +181568 |
| 15modern | 112 | Matsuyama, Tsubasa (1619) | Lost 1-2 | -171551 |
| top | average opponent: 1581record: 9-5 | new rating: 1551 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 562 | Kimura, Takuya (1654) | Won 2-1 | +211481 |
| 4standard | 47 | Yamaoka, Nobuyuki (1566) | Lost 1-2 | -161465 |
| 5standard | 429 | Yoshida, Masashi (1496) | Won 2-1 | +191484 |
| 6standard | 233 | Deng, Yunan (1523) | Lost 1-2 | -181466 |
| 7standard | 499 | Ang, Keck Tim (1487) | Won 2-0 | +191485 |
| 8standard | 258 | Hamada, Keisuke (1522) | Won 2-0 | +181503 |
| 9standard | 103 | Ishiguro, Satoshi6674 (1584) | Won 2-1 | +201523 |
| 10standard | 80 | Kamo, Riki (1539) | Lost 0-2 | -181505 |
| 11standard | 131 | Okada, Yuki 4232 (1584) | Lost 0-2 | -161489 |
| 12standard | 136 | Hitomi, Masaaki (1787) | Lost 0-2 | -131476 |
| 13standard | 140 | Kamioka, Masayuki (1586) | Lost 0-2 | -161460 |
| 14standard | 136 | Takamatsu, Tarou (1480) | Won 2-1 | +181478 |
| 15standard | 124 | Jitsukawa, Naofumi (1574) | Lost 0-2 | -161462 |
| top | average opponent: 1568record: 6-7 | new rating: 1462 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 273 | Tokura, Mikihiro (1330) | Won 0-0 | +161444 |
| 2sealed | 67 | Yamano, Tatsuto (1513) | Won 2-0 | +191463 |
| 3sealed | 6 | Sugaya, Hironobu (1768) | Lost 1-2 | -121451 |
| 4sealed | 172 | Kitazono, Kensuke (1580) | Won 2-0 | +201471 |
| 5sealed | 135 | Shirakura, Tsuyoshi (1575) | Lost 1-2 | -161455 |
| 6sealed | 157 | Fujimoto, Takehiro (Hyogo) (1471) | Draw 1-1 | 01455 |
| 7sealed | 64 | Doi, Fumiaki (1562) | Lost 1-2 | -161439 |
| 8sealed | 63 | Inanaga, Nobuyuki (1589) | Won 2-1 | +211460 |
| top | average opponent: 1548record: 4-3-1 | new rating: 1460 | ||
| Grand Prix Matsuyama 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 94 | Fujiyama, Shinichi (1500) | Lost 1-2 | -181482 |
| 2sealed | 130 | Watanabe, Masao (1481) | Lost 0-2 | -181464 |
| 3sealed | 157 | Sugimoto, Masayuki (1463) | Lost 0-2 | -181446 |
| 4sealed | 185 | Ninomiya, Kenta (1444) | Won 2-0 | +181464 |
| 5sealed | 165 | Ikeda, Eiji (1463) | Lost 0-2 | -181446 |
| 6sealed | 144 | Minato, Takuma (1446) | Lost 0-2 | -181428 |
| top | average opponent: 1466record: 1-5 | new rating: 1428 | ||