Suga, Takeichi
Current rating: 1582
Record: 29-27-5
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 172 | Motoi, Kenichi (1539) | Won 2-1 | +171572 |
| 2sealed | 94 | Furukawa, Masae (1519) | Won 2-0 | +171589 |
| 3sealed | 18 | Hiraga, Mikio (1500) | Lost 1-2 | -191570 |
| 4sealed | 140 | Mukai, Takeshi (1450) | Won 2-1 | +151585 |
| 5sealed | 60 | Tamada, Ryoichi (1588) | Lost 0-2 | -171568 |
| 6sealed | 99 | Higuchi, Katsuhiro (1452) | Won 2-0 | +151583 |
| 7sealed | 85 | Aoyama, Daisuke (1505) | Lost 1-2 | -191564 |
| 8sealed | 19 | Kamei, Kazuhiko (1572) | Won 2-1 | +181582 |
| top | average opponent: 1516record: 5-3 | new rating: 1582 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 70 | Yamamoto, Muneyuki (1518) | Won 2-0 | +181566 |
| 3sealed | 66 | Miyabe, Kouichi (1591) | Won 2-0 | +181584 |
| 4sealed | 55 | Fujita, Tsuyoshi (1981) | Lost 0-2 | -111573 |
| 5sealed | 72 | Mori, Junpei (1574) | Won 2-1 | +181591 |
| 6sealed | 53 | Sugiyama, Naohiro (1559) | Lost 0-2 | -191572 |
| 7sealed | 108 | Fuma, Masaharu (1657) | Draw 1-1 | +21574 |
| 8sealed | 79 | Wakuda, Hiroyasu (1492) | Lost 1-2 | -191555 |
| top | average opponent: 1624record: 3-3-1 | new rating: 1555 | ||
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 206 | Kobayashi, Masafumi (1500) | Won 2-0 | +191494 |
| 2sealed | 24 | Igarashi, Kazuhiro (1519) | Won 2-0 | +181512 |
| 3sealed | 20 | Arita, Ryuichi (1667) | Won 2-0 | +211533 |
| 4sealed | 11 | Suda, Makoto (1552) | Won 2-0 | +181551 |
| 5sealed | 23 | Yamamoto, Keitaro (1582) | Won 2-0 | +191570 |
| 6sealed | 2 | Murakami, Yuuki (Miyagi) (1713) | Won 2-0 | +201590 |
| 7sealed | 3 | Kubota, Yuuhi (1668) | Lost 1-2 | -161574 |
| 8sealed | 29 | Fujita, Tsuyoshi (1795) | Lost 0-2 | -141560 |
| 9rochester | 22 | Asahara, Akira (1791) | Lost 1-2 | -141546 |
| 10rochester | 28 | Satou, Yuuryou (1547) | Won 2-1 | +181564 |
| 11rochester | 22 | Ozawa, Takahiro (1582) | Won 2-0 | +181582 |
| 12rochester | 14 | Sugiki, Takafumi (1631) | Draw 0-0 | +11583 |
| 13rochester | 16 | Imai, Kimio (1616) | Lost 1-2 | -171566 |
| 14rochester | 22 | Sakurada, Kouichi (1591) | Lost 0-2 | -181548 |
| top | average opponent: 1625record: 8-5-1 | new rating: 1548 | ||
| Grand Prix Fukuoka 2002 (TOR limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 71 | Yoshida, Akifumi (1519) | Won 2-0 | +191467 |
| 3sealed | 56 | Matsushita, Takashi (1552) | Draw 1-1 | +11468 |
| 4sealed | 56 | Yamaguchi, Shihomi (1534) | Draw 1-1 | +21470 |
| 5sealed | 89 | Sugama, Hideichi (1535) | Lost 0-2 | -171453 |
| 6sealed | 118 | Imura, Kazuo (1658) | Draw 1-1 | +31456 |
| 7sealed | 111 | Miura, Tadayuki (1499) | Won 2-1 | +191475 |
| top | average opponent: 1550record: 2-1-3 | new rating: 1475 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 169 | Takeuchi, Hidehito (1500) | Lost 1-2 | -181442 |
| 3sealed | 237 | Suzuki, Hirofumi (1487) | Won 2-1 | +191461 |
| 4sealed | 154 | Maeda, Kota (1518) | Lost 0-2 | -171444 |
| 5sealed | 222 | Yamao, Masakura (1482) | Won 2-1 | +191463 |
| 6sealed | 108 | Sato, Shinichi (1602) | Lost 1-2 | -151448 |
| top | average opponent: 1518record: 2-3 | new rating: 1448 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1433 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 241 | Adachi, Ryosuke (1500) | Won 2-0 | +191452 |
| 2block | 246 | Yanagi, Hiroki (1518) | Won 2-0 | +191471 |
| 3block | 60 | Tatsumi, Kouji (1536) | Lost 1-2 | -171454 |
| 4block | 372 | Nakamichi, Morihito (1518) | Won 2-0 | +191473 |
| 5block | 80 | Yasui, Koichi (1535) | Lost 1-2 | -171456 |
| 6block | 187 | Yamamoto, Akimasa (1503) | Lost 0-2 | -171439 |
| 7block | 312 | Shibuya, Kouichi (1469) | Won 2-0 | +191458 |
| 8block | 189 | Yamasaki, Sadaharu (1502) | Won 2-0 | +191477 |
| 9block | 154 | Naito, Kazuma (1538) | Lost 0-2 | -171460 |
| top | average opponent: 1513record: 5-4 | new rating: 1460 | ||
| Grand Prix Hiroshima 2001 (INV limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 39 | Nakayama, Tetsuji (1500) | Lost 0-1 | -171429 |
| 2sealed | 152 | Sakamoto, Daiki (1482) | Won 2-0 | +191448 |
| 3sealed | 98 | Noda, Youhei (1502) | Won 2-1 | +191467 |
| 4sealed | 86 | Yamaoka, Nobuyuki (1521) | Lost 0-2 | -171450 |
| 5sealed | 118 | Katayama, Tomoyuki (1499) | Lost 1-2 | -171433 |
| top | average opponent: 1501record: 2-3 | new rating: 1433 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 172 | Doi, Koji (1500) | Lost 1-2 | -181482 |
| 2extended | 259 | Mochizuki, Kazuhiro (1482) | Lost 0-2 | -181464 |
| 3extended | 324 | Okamoto, Atsushi (1464) | Lost 1-2 | -181446 |
| 4extended | 325 | Suzuki, Yoshinao (1447) | Won 2-0 | +181464 |
| 5extended | 263 | Fukumura, Mitsuyasu (1447) | Won 2-0 | +181482 |
| 6extended | 209 | Morishita, Takeshin (1482) | Lost 0-2 | -181464 |
| 7extended | 212 | Yamada, Hiroaki (1464) | Lost 0-2 | -181446 |
| top | average opponent: 1469record: 2-5 | new rating: 1446 | ||