Bun, Takutoshi
Current rating: 1458
| Grand Prix Fukuoka 2002 (TOR limited) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 131 | Urayama, Sho (1500) | Won 2-1 | +181494 |
| 2sealed | 25 | Noda, Koji (1576) | Lost 1-2 | -161478 |
| 3sealed | 98 | Sugiura, Yuichi (1499) | Lost 0-2 | -181460 |
| 4sealed | 176 | Yamamoto, Takayuki (1433) | Won 2-0 | +171477 |
| 5sealed | 138 | Inanaga, Nobuyuki (1484) | Lost 0-2 | -171460 |
| 6sealed | 136 | Wakabayashi, Kiyoshi (1361) | Won 2-0 | +161476 |
| 7sealed | 115 | Saitou, Hiroaki (1501) | Lost 0-2 | -181458 |
| top | average opponent: 1479record: 3-4 | new rating: 1458 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 113 | Ito, Masaki (1463) | Lost 0-2 | -201516 |
| 2block | 508 | Otani, Shoichiro (1482) | Lost 1-2 | -181498 |
| 3block | 576 | Hiratsuka, Yoshio (1463) | Lost 0-2 | -191479 |
| 4block | 610 | Inoue, Hideyuki (1446) | Won 2-1 | +171496 |
| 5block | 564 | Mori, Yukihiro (1464) | Lost 0-2 | -181478 |
| 6block | 489 | Matsuno, Sogen (1446) | Won 2-1 | +171495 |
| 7block | 382 | Nishida, Shinsuke (1465) | Lost 0-2 | -181477 |
| 8block | 315 | Maeda, Ryuichi (1443) | Won 2-1 | +171494 |
| 9block | 240 | Ishikawa, Atsushi (1465) | Lost 1-2 | -181476 |
| top | average opponent: 1460record: 3-6 | new rating: 1476 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 180 | Inoue, Yoshiharu (1500) | Won 2-1 | +181518 |
| 2extended | 139 | Ishikura, Nobuyuki (1518) | Lost 1-2 | -181500 |
| 3extended | 277 | Kobe, Keita (1500) | Won 2-0 | +181518 |
| 4extended | 124 | Matsuzuki, Kyosuke (1518) | Lost 1-2 | -181500 |
| 5extended | 168 | Mihara, Takumi (1500) | Lost 0-2 | -181482 |
| 6extended | 235 | Konishi, Yuji (1481) | Won 2-0 | +181500 |
| 7extended | 153 | Takuma, Shin (1482) | Won 2-1 | +181518 |
| 8extended | 128 | Nakazawa, Hiroshi (1517) | Won 2-0 | +181536 |
| top | average opponent: 1502record: 5-3 | new rating: 1536 | ||