Hyakutake, Junji
Current rating: 1411
| Grand Prix Kitakyushu 2007 (LRW limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 50 | Tsukamoto, Tatsushi (1561) | Lost 0-2 | -161449 |
| 2sealed | 96 | Yamada, Yasuo (1475) | Lost 0-2 | -181431 |
| 3sealed | 137 | Saitou, Kazuya (1336) | Lost 0-2 | -201411 |
| top | average opponent: 1457record: 0-3 | new rating: 1411 | ||
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 51 | Furukawa, Takayuki 4606 (1500) | Won 2-0 | +181499 |
| 2extended | 88 | Miyasaka, Takeshi (1538) | Lost 0-2 | -171482 |
| 3extended | 148 | Imamura, Taichirou (1500) | Won 2-0 | +181500 |
| 4extended | 108 | Hashima, Takumi (1518) | Lost 0-1 | -171483 |
| 5extended | 117 | Okada, Wataru (1496) | Lost 0-2 | -181465 |
| top | average opponent: 1510record: 2-3 | new rating: 1465 | ||
| Grand Prix Fukuoka 2002 (TOR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 120 | Fujimoto, Koji (1500) | Lost 0-2 | -181482 |
| 2sealed | 140 | Saitou, Kazuya (1411) | Won 2-0 | +171499 |
| 3sealed | 106 | Ueno, Hiroaki (1515) | Lost 1-2 | -181481 |
| 4sealed | 154 | Inoue, Atsushi (1483) | Draw 1-1 | 01481 |
| top | average opponent: 1477record: 1-2-1 | new rating: 1481 | ||