Suginaka, Takaaki
Current rating: 1414
Record: 14-21-2
| Grand Prix Hiroshima 2006 (CSP limited) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 65 | Murakami, Takumi (1537) | Lost 0-2 | -161428 |
| 2sealed | 160 | Watanabe, Tomosumi (1449) | Won 2-1 | +181446 |
| 3sealed | 100 | Takahashi, Yuta (1617) | Lost 0-2 | -151431 |
| 4sealed | 153 | Kobayashi, Kouji (1466) | Lost 1-2 | -171414 |
| top | average opponent: 1517record: 1-3 | new rating: 1414 | ||
| Grand Prix Kitakyushu 2005 (extended) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 64 | Inoue, Toru (1469) | Won 2-0 | +191473 |
| 2extended | 27 | Shibata, Yuki (1515) | Won 2-1 | +191492 |
| 3extended | 33 | Toochika, Takayuki (1689) | Won 2-0 | +211513 |
| 4extended | 10 | Wachi, Shinya (1509) | Lost 0-2 | -181495 |
| 5extended | 50 | Fukushima, Hirotomo (1591) | Lost 0-2 | -161479 |
| 6extended | 61 | Kikuchi, Yuuji (1531) | Lost 0-2 | -171462 |
| 7extended | 66 | Shimada, Hiroya (1497) | Lost 0-2 | -181444 |
| top | average opponent: 1543record: 3-4 | new rating: 1444 | ||
| Grand Prix Matsuyama 2005 (BOK limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 108 | Nishimoto, Takayoshi (1500) | Won 2-0 | +191465 |
| 2sealed | 64 | Ishimoto, Souichirou (1518) | Won 2-0 | +191484 |
| 3sealed | 27 | Takahashi, Junya (1589) | Draw 1-1 | +21486 |
| 4sealed | 65 | Shibuya, Takuma (1593) | Lost 0-2 | -171469 |
| 5sealed | 96 | Michiba, Ryouta (1635) | Lost 1-2 | -151454 |
| top | average opponent: 1567record: 2-2-1 | new rating: 1454 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1393 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 47 | Iwasaki, Eiji (1500) | Won 2-0 | +201413 |
| 2standard | 161 | Tanaka, Jun (1518) | Won 2-1 | +201433 |
| 3standard | 10 | Kondo, Takahito (1442) | Won 2-0 | +181451 |
| 4standard | 87 | Sakaguchi, Naoki (1534) | Lost 0-2 | -171434 |
| 5standard | 109 | Hasegawa, Suguru (1571) | Lost 1-2 | -151419 |
| 6standard | 171 | Matsumoto, Masato (1516) | Won 2-0 | +201439 |
| 7standard | 190 | Sugano, Yuuiti (1534) | Won 2-0 | +191458 |
| 8standard | 75 | Teramoto, Shoji (1603) | Draw 1-1 | +31461 |
| 9standard | 97 | Atsuta, Nao (1612) | Lost 1-2 | -151446 |
| top | average opponent: 1537record: 5-3-1 | new rating: 1446 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 10 | Imamura, Taichirou (1463) | Lost 1-2 | -171410 |
| 2extended | 118 | Miyake, Tsubasa (1483) | Lost 0-2 | -171393 |
| 3extended | 175 | Yoshida, Mitsutaka (1311) | Won 2-0 | +161409 |
| 4extended | 177 | Konishi, Masahiro (1485) | Lost 0-2 | -161393 |
| top | average opponent: 1436record: 1-3 | new rating: 1393 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 163 | Sugimura, Yoshiyasu (1481) | Lost 0-2 | -181464 |
| 2sealed | 196 | Ikeda, Naoto (1449) | Lost 0-2 | -181446 |
| 3sealed | 280 | Nishimura, Yusuke (1383) | Lost 0-2 | -191427 |
| top | average opponent: 1438record: 0-3 | new rating: 1427 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 137 | Kataoka, Asami (1500) | Lost 0-2 | -181482 |
| 2block | 232 | Akaike, Yo (1482) | Won 2-0 | +181500 |
| 3block | 294 | Ichinose, Yuki (1518) | Lost 1-2 | -181482 |
| 4block | 276 | Yasutake, Hiroyuki (1480) | Won 2-1 | +181500 |
| 5block | 216 | Ootsuka, Koutarou(Miyagi) (1501) | Lost 1-2 | -181482 |
| top | average opponent: 1496record: 2-3 | new rating: 1482 | ||