Kubo, Tadayoshi
Current rating: 1475
Record: 18-19-2 (GP) / 1-4 (professional)
| Grand Prix Kitakyushu 2005 (extended) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 63 | Ogata, Atsushi (1518) | Won 2-1 | +181489 |
| 2extended | 35 | Hirai, Kenta (1581) | Won 2-1 | +201509 |
| 3extended | 32 | Abe, Genta (1536) | Lost 1-2 | -171492 |
| 4extended | 72 | Iwahashi, Yuuki (1502) | Won 2-0 | +181510 |
| 5extended | 26 | Kito, Takeshi (1535) | Draw 1-1 | 01510 |
| 6extended | 44 | Matsumoto, Masataka (1500) | Lost 0-2 | -181492 |
| 7extended | 62 | Shouyama, Youhei (1531) | Lost 1-2 | -171475 |
| top | average opponent: 1529record: 3-3-1 | new rating: 1475 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 18 | Taru, Genki (1599) | Lost 0-2 | -161483 |
| 4block | 108 | Yamamoto, Akimasa (1592) | Lost 0-2 | -161467 |
| 5block | 232 | Kasahara, Yuuki (1517) | Won 2-1 | +191486 |
| 6block | 157 | Ishida, Naoyuki (1503) | Won 2-0 | +181504 |
| 7block | 73 | Muramatsu, Daisuke (1531) | Lost 0-2 | -171487 |
| 8block | 133 | Kawashima, Mitsuhiro (1517) | Won 2-0 | +181505 |
| 9block | 98 | Bandou, Junichirou (1574) | Lost 0-2 | -171488 |
| 10block | 113 | Nakamura, Hajime (1504) | Lost 0-2 | -171471 |
| top | average opponent: 1542record: 3-5 | new rating: 1471 | ||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 44 | Tanikawa, Itaru (1439) | Won 2-0 | +181479 |
| 3sealed | 13 | Umeno, Yoshihiro (1661) | Won 2-0 | +211500 |
| 4sealed | 25 | Urata, Yusuke (1554) | Won 2-0 | +191519 |
| 5sealed | 6 | Harada, Satoshi (1575) | Won 2-0 | +191538 |
| 6sealed | 15 | Yamagishi, Yuichi (1633) | Won 2-1 | +201558 |
| 7sealed | 4 | Mizui, Shota (1620) | Lost 0-2 | -171541 |
| 8sealed | 42 | Hojo, Naomasa (1757) | Won 2-1 | +221563 |
| 9draft | 7 | Miyazaki, Hidetaka (1643) | Lost 0-2 | -171546 |
| 10draft | 21 | Nomichi, Hideki (1727) | Lost 0-2 | -141532 |
| 11draft | 13 | Matsuki, Takashi (1615) | Lost 1-2 | -171515 |
| 12draft | 32 | Shimizu, Akihiro (1621) | Lost 1-2 | -161499 |
| top | average opponent: 1622record: 6-5 | new rating: 1499 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1437 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 64 | Hirai, Takayuki (1500) | Won 2-0 | +191456 |
| 3sealed | 5 | Kimura, Kazuhito (1536) | Won 2-0 | +201476 |
| 4sealed | 19 | Kishimoto, Daichi (1569) | Won 2-0 | +191495 |
| 5sealed | 30 | Yasufuku, Akihiro (1536) | Draw 1-1 | +11496 |
| 6sealed | 14 | Ando, Reiji (1527) | Lost 0-2 | -171479 |
| 7sealed | 59 | Yamadaya, Kohei (1519) | Lost 1-2 | -181461 |
| top | average opponent: 1531record: 3-2-1 | new rating: 1461 | ||
| Pro Tour Tokyo 2001 (Invasion block) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 55 | Kleinveld, Leendert Willem (1576) | Lost 0-2 | -161467 |
| 2block | 87 | Hubble, Bryan (1712) | Lost 0-2 | -141453 |
| 3block | 115 | Nakamura, Yoichi (1446) | Won 2-1 | +181471 |
| 4block | 99 | Ho, Chih-Cheng (1565) | Lost 0-2 | -161455 |
| 5block | 117 | de linde Farrington, Frederik (1456) | Lost 0-2 | -181437 |
| top | average opponent: 1551record: 1-4 | new rating: 1437 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 71 | Nakao, Kazutaka (1518) | Lost 1-2 | -181482 |
| 3extended | 145 | Miyamoto, Satoshi (1500) | Won 2-1 | +191501 |
| 4extended | 202 | Sugimoto, Takashi (1519) | Lost 0-2 | -181483 |
| 5extended | 225 | Yagi, Akira (1481) | Won 2-0 | +181501 |
| 6extended | 148 | Ando, Hideki (1484) | Lost 0-2 | -181483 |
| 7extended | 155 | Ootsuka, Tomomi (1500) | Won 2-1 | +181501 |
| 8extended | 131 | Miyake, Tetsuya (1518) | Lost 0-2 | -181483 |
| top | average opponent: 1503record: 3-4 | new rating: 1483 | ||