Sugama, Hideichi
Current rating: 1523
Record: 29-26-4
| Grand Prix Kitakyushu 2007 (LRW limited) | starting rating: 1576 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 60 | Soma, Kazuki (1482) | Won 2-0 | +161592 |
| 2sealed | 82 | Fujimoto, Yosuke (1517) | Lost 1-2 | -191573 |
| 3sealed | 65 | Oonishi, Hiroaki (1503) | Lost 0-2 | -201553 |
| 4sealed | 135 | Momikura, Genta (1482) | Won 2-0 | +171570 |
| 5sealed | 109 | Miura, Tadayuki (1375) | Lost 0-2 | -221548 |
| 6sealed | 111 | Briones, Dombri (1488) | Won 2-0 | +171565 |
| 7sealed | 6 | Yuki, Keiichirou (1503) | Lost 1-2 | -191546 |
| 8sealed | 58 | Tanabe, Kazuya (1264) | Lost 0-2 | -231523 |
| top | average opponent: 1452record: 3-5 | new rating: 1523 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 100 | Okamoto, Masahiro (1573) | Lost 0-2 | -171528 |
| 3standard | 259 | Ueyama, Yuji (1510) | Won 2-1 | +171545 |
| 4standard | 239 | Nakaoka, Shinya (1524) | Won 2-0 | +181563 |
| 5standard | 135 | Takagi, Yui (1552) | Won 2-0 | +181581 |
| 6standard | 75 | Matsuoka, Kouta (1524) | Lost 1-2 | -191562 |
| 7standard | 161 | Yamanishi, Mamoru (1589) | Lost 0-2 | -181544 |
| 8standard | 138 | Yamaguchi, Kei (1519) | Won 2-1 | +181562 |
| 9standard | 89 | Inoue, Masashi (1335) | Won 2-0 | +141576 |
| top | average opponent: 1516record: 5-3 | new rating: 1576 | ||
| Grand Prix Kitakyushu 2005 (extended) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 29 | Kawate, Junpei (1519) | Won 2-1 | +171565 |
| 3extended | 4 | Nakamura, Junpei (1518) | Lost 0-2 | -181547 |
| 4extended | 64 | Fujita, Yoshiaki (1518) | Lost 0-2 | -191528 |
| 5extended | 84 | Koshiba, Norihiko (1515) | Won 2-1 | +181546 |
| 6extended | 68 | Umesaki, Naoaki (1436) | Won 2-0 | +161562 |
| 7extended | 52 | Teramoto, Shoji (1629) | Lost 1-2 | -171545 |
| top | average opponent: 1523record: 3-3 | new rating: 1545 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 4 | Kamei, Masataka (1555) | Lost 0-2 | -171525 |
| 5standard | 89 | Yun, Suhan (1641) | Won 2-1 | +201545 |
| 6standard | 117 | Kawasaki, Daisuke (1557) | Won 2-1 | +181563 |
| 7standard | 51 | Shibata, Toshiya (1490) | Lost 0-2 | -191544 |
| 8standard | 100 | Hassaku, Jinpei (1778) | Lost 1-2 | -141530 |
| 9standard | 128 | Inagaki, Ryou (1544) | Won 2-0 | +181548 |
| top | average opponent: 1594record: 3-3 | new rating: 1548 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1529 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 40 | Tamano, Eiji (1446) | Lost 0-2 | -201509 |
| 3extended | 90 | Koyama, Kenta (1457) | Won 2-0 | +171526 |
| 4extended | 64 | Shibuya, Kouichi (1453) | Won 2-1 | +171543 |
| 5extended | 32 | Katsu, Masahiro (1454) | Won 2-0 | +161559 |
| 6extended | 51 | Nakatani, Haruki (1544) | Lost 0-2 | -181541 |
| 7extended | 53 | Itohara, Kazuaki (1557) | Won 2-0 | +181559 |
| 8extended | 54 | Kurihara, Shingou (1603) | Lost 0-2 | -171542 |
| top | average opponent: 1502record: 4-3 | new rating: 1542 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 80 | Tanabe, Kazuya (1427) | Won 2-0 | +161550 |
| 2block | 78 | Ootsuki, Masahiro (1449) | Won 2-1 | +161566 |
| 3block | 88 | Ishigami, Kei (1528) | Won 2-1 | +171583 |
| 4block | 74 | Sato, Makoto (1520) | Lost 1-2 | -191564 |
| 5block | 141 | Ueno, Shinichi (1566) | Lost 0-2 | -181546 |
| 6block | 181 | Sagawa, Yuuki (1505) | Won 2-1 | +181564 |
| 7block | 96 | Mihara, Makihito (1735) | Lost 0-2 | -151549 |
| 8block | 173 | Tanaka, Yoshimitsu (1452) | Lost 1-2 | -201529 |
| top | average opponent: 1523record: 4-4 | new rating: 1529 | ||
| Grand Prix Fukuoka 2002 (TOR limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 19 | Yamashita, Ryusuke (1481) | Draw 1-1 | 01499 |
| 2sealed | 114 | Araki, Daiki (1482) | Won 2-0 | +171516 |
| 3sealed | 72 | Nakamuro, Masaaki (1530) | Draw 1-1 | +11517 |
| 4sealed | 129 | Ide, Katsuhiro (1552) | Won 2-1 | +181535 |
| 5sealed | 89 | Suga, Takeichi (1470) | Won 2-0 | +171552 |
| 6sealed | 56 | Akahoshi, Toru (1538) | Lost 1-2 | -181534 |
| 7sealed | 87 | Nakamura, Toshiki (1535) | Draw 1-1 | 01534 |
| top | average opponent: 1513record: 3-1-3 | new rating: 1534 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 161 | Kawamura, Kazushi (1500) | Lost 0-2 | -181482 |
| 2block | 400 | Kisaka, Yusuke (1482) | Lost 1-2 | -181464 |
| 3block | 577 | Gotou, Hiroaki (1464) | Lost 0-2 | -181446 |
| 4block | 635 | Yoshida, Shinsuke (1445) | Lost 0-2 | -181428 |
| 5block | 587 | Fujii, Atsushi (1428) | Won 2-1 | +181446 |
| 6block | 480 | Mihara, Takumi (1431) | Won 2-1 | +181464 |
| 7block | 393 | Nagae, Hiroyuki (1464) | Won 2-0 | +181482 |
| 8block | 301 | Yamada, Yasuyuki (1481) | Won 2-1 | +181500 |
| 9block | 216 | Yoshimura, Motoki (1468) | Draw 1-1 | -11499 |
| top | average opponent: 1463record: 4-4-1 | new rating: 1499 | ||