Suginaka, Toshio
Current rating: 1433
Record: 20-24-5
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 9 | Nakamura, Takahiro (1597) | Lost 1-2 | -151429 |
| 2standard | 317 | Kugi, Atushi (1482) | Won 2-0 | +191448 |
| 3standard | 185 | Ikeda, Tomokazu (1499) | Won 2-0 | +191467 |
| 4standard | 173 | Yorita, Masashi (1488) | Lost 1-2 | -181449 |
| 5standard | 291 | Yamamoto, Akimasa (1589) | Lost 0-2 | -161433 |
| top | average opponent: 1531record: 2-3 | new rating: 1433 | ||
| Grand Prix Hiroshima 2006 (CSP limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 77 | Takebayashi, Tomo (1510) | Lost 0-2 | -181463 |
| 2sealed | 111 | Shimada, Fumiaki (1445) | Lost 1-2 | -181445 |
| 3sealed | 153 | Suzuki, Keiji (1361) | Won 2-0 | +161461 |
| 4sealed | 138 | Takanashi, Kouji (1480) | Lost 0-2 | -171444 |
| top | average opponent: 1449record: 1-3 | new rating: 1444 | ||
| Grand Prix Kitakyushu 2005 (extended) | starting rating: 1473 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 47 | Kabeshita, Yoshito (1498) | Won 1-0 | +181491 |
| 2extended | 37 | Kudo, Koichi (1580) | Draw 1-1 | +21493 |
| 3extended | 40 | Kawamura, Kazushi (1695) | Lost 0-2 | -141479 |
| 4extended | 90 | Suzuoka, Toshimitsu (1583) | Won 2-0 | +191498 |
| 5extended | 64 | Okamatsu, Masaki (1517) | Lost 0-2 | -171481 |
| top | average opponent: 1575record: 2-2-1 | new rating: 1481 | ||
| Grand Prix Matsuyama 2005 (BOK limited) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 67 | Shimada, Hiroya (1500) | Draw 1-1 | 01470 |
| 2sealed | 106 | Imori, Takahiro (1571) | Lost 0-2 | -161454 |
| 3sealed | 148 | Higuchi, Kazutoshi (1484) | Won 2-0 | +191473 |
| 4sealed | 138 | Takatsuki, Ryo (1443) | Won 2-0 | +171490 |
| 5sealed | 105 | Katayose, Shingo (1531) | Lost 1-2 | -171473 |
| top | average opponent: 1506record: 2-2-1 | new rating: 1473 | ||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 164 | Aizawa, Atsuo (1496) | Won 2-0 | +181506 |
| 2sealed | 148 | Muroga, Hideo (1460) | Lost 1-2 | -191487 |
| 3sealed | 255 | Katayose, Shingo (1510) | Lost 0-2 | -171470 |
| top | average opponent: 1489record: 1-2 | new rating: 1470 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 269 | Yamagishi, Gaku (1500) | Won 2-0 | +181504 |
| 2standard | 179 | Kawaguchi, Akira (1518) | Draw 1-1 | 01504 |
| 3standard | 169 | Itagaki, Masayoshi (1535) | Lost 0-2 | -171487 |
| 4standard | 299 | Ikuta, Kazuya (1500) | Won 2-0 | +181505 |
| 5standard | 214 | Honnami, Tomoyuki (1487) | Draw 1-1 | 01505 |
| 6standard | 265 | Kato, Yuuji (1514) | Won 2-0 | +181523 |
| 7standard | 196 | Aizawa, Keiji (1569) | Lost 0-2 | -171506 |
| 8standard | 204 | Nakamura, Atsushi (1518) | Lost 1-2 | -181488 |
| 9standard | 185 | Yamaguchi, Kei (1499) | Draw 1-1 | 01488 |
| top | average opponent: 1516record: 3-3-3 | new rating: 1488 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 92 | Kikuchi, Yuuji (1563) | Lost 0-2 | -181524 |
| 2extended | 111 | Yoshinobu, Takashi (1433) | Lost 1-2 | -201504 |
| 3extended | 171 | Sibata, Masaki (1466) | Lost 1-2 | -181486 |
| top | average opponent: 1487record: 0-3 | new rating: 1486 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1580 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 19 | Nakayama, Shirou (1500) | Lost 1-2 | -191561 |
| 2sealed | 216 | Kubota, Toru (1499) | Lost 1-2 | -191542 |
| top | average opponent: 1499record: 0-2 | new rating: 1542 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1588 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 10 | Yano, Taiki (1500) | Won 2-1 | +171605 |
| 2block | 37 | Sugiura, Kiyohiro (1517) | Won 2-1 | +161621 |
| 3block | 61 | Iwai, Tsuyoshi (1701) | Lost 1-2 | -161605 |
| 4block | 97 | Saitou, Yuu (1450) | Lost 1-2 | -211584 |
| 5block | 212 | Takahasi, Tooru (1500) | Lost 1-2 | -201564 |
| 6block | 245 | Yamamoto, Takahiro (1484) | Won 2-1 | +171581 |
| 7block | 183 | Narisawa, Masahiro (1503) | Won 2-0 | +161597 |
| 8block | 192 | Suzuki, Takaaki (1640) | Lost 0-2 | -171580 |
| top | average opponent: 1537record: 4-4 | new rating: 1580 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 416 | Tsuchida, Teruya (1500) | Won 2-1 | +181518 |
| 2block | 268 | Shimizu, Shuji (1518) | Won 2-0 | +181536 |
| 3block | 142 | Shikatake, Naoki (1536) | Won 2-0 | +181554 |
| 4block | 18 | Nose, Koji (1456) | Won 2-1 | +161570 |
| 5block | 36 | Tadokoro, Masaya (1572) | Won 2-0 | +181588 |
| top | average opponent: 1516record: 5-0 | new rating: 1588 | ||