Sakurada, Kouichi
Current rating: 1618
Record: 39-31-3
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1583 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 154 | Sumii, Hiroyuki (1468) | Won 2-0 | +161599 |
| 2standard | 21 | Gotou, Hiroaki (1476) | Lost 1-2 | -201579 |
| 3standard | 211 | Sunada, Shougo (1488) | Lost 0-2 | -201559 |
| 4standard | 110 | Hasegawa, Tsuguto (1504) | Won 2-0 | +171576 |
| 5standard | 128 | Natsume, Takuya (1452) | Draw 1-1 | -21574 |
| 6standard | 103 | Itou, Takuma (1593) | Won 2-1 | +181592 |
| 7standard | 77 | Sogabe, Ippei (1707) | Won 1-0 | +201612 |
| 8standard | 178 | Ogata, Shouichirou (1516) | Lost 1-2 | -191593 |
| 9standard | 64 | Yokosuka, Tomohiro (1785) | Won 2-0 | +211614 |
| 10standard | 64 | Shimada, Atsuki (1612) | Won 2-0 | +181632 |
| 11standard | 12 | Takasugi, Ryouta (1582) | Lost 0-2 | -191613 |
| 12standard | 15 | Haneki, Daisuke (1710) | Lost 0-2 | -161597 |
| 13standard | 26 | Okada, Wataru (1667) | Draw 1-1 | +11598 |
| 14standard | 21 | Orihara, Ryu (1553) | Won 2-1 | +171615 |
| 15standard | 14 | Sugimoto, Hiroaki (1540) | Won 2-0 | +171632 |
| 16standard | 33 | Yamamoto, Shouhei (1836) | Lost 1-2 | -141618 |
| top | average opponent: 1593record: 8-6-2 | new rating: 1618 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1645 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 229 | Kozawa, Ryuuichirou (1500) | Lost 1-2 | -201625 |
| 2standard | 320 | Tanaka, Yoshiya (1482) | Lost 1-2 | -211604 |
| 3standard | 378 | Kaminicki, Justin (1443) | Lost 1-2 | -211583 |
| top | average opponent: 1475record: 0-3 | new rating: 1583 | ||
| Grand Prix Sendai 2004 (DST limited) | starting rating: 1599 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 124 | Ogami, Kenji (1652) | Won 2-0 | +191618 |
| 3sealed | 45 | Yamada, Hiroki (1550) | Lost 0-2 | -201598 |
| 4sealed | 149 | Kayama, Akira (1522) | Won 2-1 | +171615 |
| 5sealed | 83 | Tabe, Keita (1538) | Lost 1-2 | -191596 |
| 6sealed | 104 | Oohashi, Toshiya (1531) | Won 2-1 | +161612 |
| 7sealed | 84 | Matsumoto, Hirotoshi (1521) | Won 2-0 | +171629 |
| 8sealed | 65 | Suzuki, Fumito (1555) | Won 2-1 | +161645 |
| top | average opponent: 1553record: 5-2 | new rating: 1645 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1585 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 2 | Chiba, Katsutoshi (1491) | Won 2-0 | +171602 |
| 3sealed | 47 | Ishikawa, Ren (1663) | Lost 1-2 | -171585 |
| 4sealed | 119 | Okutomi, Hiromitsu (1528) | Lost 0-2 | -191566 |
| 5sealed | 136 | Ogawa, Hiroyuki(Nagano) (1503) | Lost 1-2 | -201546 |
| 6sealed | 174 | Furujou, Takashi (1492) | Won 2-0 | +171563 |
| 7sealed | 135 | Kim, Jang-hong (1506) | Won 2-1 | +171580 |
| 8sealed | 99 | Kawamura, Kazushi (1589) | Won 2-1 | +191599 |
| top | average opponent: 1539record: 4-3 | new rating: 1599 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1657 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 121 | Nicolas, Vesale (1518) | Won 2-1 | +161673 |
| 3block | 15 | Inoguchi, Hironobu (1535) | Lost 0-2 | -211652 |
| 4block | 175 | Furukawa, Ken'ichi (1525) | Lost 1-2 | -201632 |
| 5block | 183 | Gunji, Toshiyuki (1500) | Won 2-0 | +161648 |
| 6block | 131 | Tamura, Ryo (1504) | Lost 1-2 | -211627 |
| 7block | 178 | Murakami, Ken (1440) | Lost 1-2 | -211606 |
| 8block | 212 | Okuyama, Tatsunori (1478) | Lost 0-2 | -211585 |
| top | average opponent: 1500record: 2-5 | new rating: 1585 | ||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1609 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 95 | Nagao, Hakaru (1481) | Won 2-1 | +161625 |
| 3sealed | 3 | Hirabayashi, Kazuya (1702) | Lost 1-2 | -171608 |
| 4sealed | 82 | Sato, Kimihiko (1634) | Lost 0-2 | -181590 |
| 5sealed | 184 | Tanikawa, Itaru (1423) | Won 2-0 | +151605 |
| 6sealed | 107 | Sekine, Takeshi (1653) | Won 2-0 | +191624 |
| 7sealed | 53 | Kurimoto, Hidenori (1534) | Won 2-0 | +171641 |
| 8sealed | 117 | Nakamuro, Masaaki (1567) | Won 2-1 | +161657 |
| top | average opponent: 1571record: 5-2 | new rating: 1657 | ||
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 32 | Ogiyama, Shuuji (1541) | Won 2-0 | +181525 |
| 3sealed | 70 | Komiya, Tadayoshi (1596) | Lost 0-2 | -161509 |
| 4sealed | 153 | Ooura, Shotaro (1525) | Won 2-1 | +181527 |
| 5sealed | 86 | Ogawa, Syunsuke (1696) | Won 2-1 | +211548 |
| 6sealed | 48 | Okabayashi, Masanao (1623) | Won 2-0 | +191567 |
| 7sealed | 14 | Suzuki, Fumio (1503) | Lost 1-2 | -191548 |
| 8sealed | 59 | Tamura, Takashi (1554) | Won 2-1 | +181566 |
| 9rochester | 23 | Sugiki, Takafumi (1616) | Won 2-0 | +191585 |
| 10rochester | 12 | Tachibana, Satoshi (1587) | Won 2-1 | +181603 |
| 11rochester | 13 | Asahara, Akira (1819) | Lost 0-2 | -141589 |
| 12rochester | 15 | Otsubo, Yuji (1712) | Lost 0-2 | -161573 |
| 13rochester | 14 | Akashi, Toshihiko (1575) | Won 2-0 | +181591 |
| 14rochester | 22 | Suga, Takeichi (1566) | Won 2-0 | +181609 |
| top | average opponent: 1609record: 9-4 | new rating: 1609 | ||
| Grand Prix Sapporo 2002 (Odyssey block) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 4block | 42 | Shikamoto, Hideki (1609) | Lost 1-2 | -171505 |
| 5block | 82 | Yamauchi, Takashi (1522) | Won 2-1 | +191524 |
| 6block | 53 | Ebina, Ikumi (1458) | Lost 1-2 | -191505 |
| 7block | 82 | Ishibashi, Katsumi (1590) | Lost 1-2 | -171488 |
| 8block | 106 | Takahashi, Manabu (1518) | Won 2-0 | +191507 |
| top | average opponent: 1539record: 2-3 | new rating: 1507 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 229 | Konagai, Ryota (1500) | Won 2-0 | +181518 |
| 2sealed | 137 | Miyazaki, Hidetaka (1500) | Won 2-0 | +181536 |
| 3sealed | 8 | Suzuki, Kei (1608) | Lost 0-2 | -171519 |
| 4sealed | 104 | Mukuno, Yuuji (1498) | Lost 0-2 | -181501 |
| 5sealed | 167 | Kitagawa, Tomoyuki (1502) | Won 2-1 | +181519 |
| 6sealed | 115 | Tanaka, Kazunori (1486) | Won 2-0 | +171536 |
| 7sealed | 105 | Maruyama, Tomohiro (1646) | Draw 1-1 | +21538 |
| 8sealed | 83 | Kurisu, Takashi (1640) | Lost 0-1 | -161522 |
| top | average opponent: 1547record: 4-3-1 | new rating: 1522 | ||