Syouyama, Youhei
Current rating: 1550
Record: 22-17
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1621 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 179 | Matsuo, Keita (1414) | Lost 1-2 | -221599 |
| 2sealed | 225 | Iioka, Kayoko (1430) | Lost 0-2 | -211578 |
| 3sealed | 297 | Aizawa, Atsuo (1461) | Won 2-0 | +161594 |
| 4sealed | 279 | Motoi, Kenichi (1521) | Won 2-0 | +171611 |
| 5sealed | 179 | Hasegawa, Hironobu (1500) | Lost 0-2 | -201591 |
| 6sealed | 187 | Minato, Junichi (1480) | Lost 0-2 | -201571 |
| 7sealed | 159 | Mochizuki, Takahito (1409) | Lost 1-2 | -211550 |
| top | average opponent: 1459record: 2-5 | new rating: 1550 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1623 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 273 | Tanaka, Ryota (1415) | Lost 1-2 | -221601 |
| 2standard | 301 | Mizukawa, Kengo (1484) | Won 2-1 | +161617 |
| 3standard | 316 | Suo, Yoshihisa (1484) | Won 2-0 | +161633 |
| 4standard | 174 | Kato, Akinori (1518) | Won 2-0 | +151648 |
| 5standard | 201 | Sakai, Kentaro (1511) | Lost 1-2 | -201628 |
| 6standard | 177 | Niwa, Kohei (1548) | Won 2-0 | +161644 |
| 7standard | 160 | Niimi, Kiyoaki (1567) | Won 2-0 | +171661 |
| 8standard | 82 | Taru, Genki (1624) | Lost 0-2 | -191642 |
| 9standard | 131 | Takagi, Yui (1466) | Lost 1-2 | -211621 |
| top | average opponent: 1513record: 5-4 | new rating: 1621 | ||
| Grand Prix Sendai 2004 (DST limited) | starting rating: 1557 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 162 | Haga, Katsuhiro (1500) | Won 2-0 | +171574 |
| 2sealed | 91 | Tanabe, Yasuyuki (1520) | Won 2-1 | +171591 |
| 3sealed | 15 | Suzuki, Shin (1521) | Won 2-0 | +161607 |
| 4sealed | 16 | Yamada, Hiroki (1569) | Won 2-0 | +181625 |
| 5sealed | 6 | Imai, Takashi (1596) | Lost 1-2 | -191606 |
| 6sealed | 44 | Hayashi, Takatomo (1557) | Lost 1-2 | -191587 |
| 7sealed | 65 | Nomura, Eiji (1676) | Won 2-0 | +201607 |
| 8sealed | 38 | Eguchi, Hiroshi (1487) | Won 2-1 | +161623 |
| top | average opponent: 1553record: 6-2 | new rating: 1623 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 91 | Nakaoka, Shinya (1452) | Lost 0-2 | -191507 |
| 2extended | 148 | Sibata, Masaki (1483) | Won 2-1 | +181525 |
| 3extended | 135 | Fukushima, Hirotomo (1462) | Lost 0-2 | -191506 |
| 4extended | 173 | Ogura, Takamasa (1420) | Won 2-0 | +161522 |
| 5extended | 111 | Anabuki, Kazuhisa (1508) | Won 2-1 | +181540 |
| 6extended | 116 | Sugiura, Kiyohiro (1557) | Won 2-1 | +181558 |
| 7extended | 60 | Okutomi, Hiromitsu (1592) | Lost 0-2 | -171541 |
| 8extended | 77 | Katsu, Masahiro (1436) | Won 2-1 | +161557 |
| top | average opponent: 1489record: 5-3 | new rating: 1557 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 210 | Tanabe, Terumi (1500) | Won 2-0 | +181518 |
| 2sealed | 136 | Taru, Genki (1682) | Won 2-0 | +211539 |
| 3sealed | 2 | Nakao, Munenari (1472) | Lost 1-2 | -191520 |
| 4sealed | 171 | Nagashima, Makoto (1475) | Won 2-0 | +171537 |
| 5sealed | 76 | Okabayashi, Masanao (1600) | Lost 0-2 | -171520 |
| 6sealed | 148 | Tazawa, Jun (1592) | Won 2-0 | +191539 |
| 7sealed | 57 | Yamagishi, Yuichi (1824) | Lost 1-2 | -131526 |
| top | average opponent: 1592record: 4-3 | new rating: 1526 | ||