Kiyohara, Yoichi
Current rating: 1464
Record: 6-8
| Grand Prix Matsuyama 2005 (BOK limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 49 | Tanii, Yuusuke (1449) | Lost 0-2 | -181464 |
| 2sealed | 161 | Nakamura, Sou (1432) | Won 2-0 | +171481 |
| 3sealed | 124 | Shimizu, Kouichi (1501) | Lost 0-2 | -171464 |
| top | average opponent: 1461record: 1-2 | new rating: 1464 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 1 | Komiya, Mitsuhiro (1500) | Lost 1-2 | -181482 |
| 2block | 368 | Fujiwara, Daiki (1482) | Lost 0-2 | -181464 |
| 3block | 594 | Hanamoto, Kohei (1465) | Won 2-0 | +181482 |
| top | average opponent: 1482record: 1-2 | new rating: 1482 | ||
| Grand Prix Hiroshima 2001 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 135 | Yoshioka, Haruhiko (1500) | Won 2-0 | +181518 |
| 2sealed | 31 | Koura, Masahiro (1518) | Lost 1-2 | -181500 |
| 3sealed | 84 | Joo, On Young (1502) | Won 2-0 | +181518 |
| 4sealed | 95 | Umeno, Kengo (1519) | Lost 0-2 | -181500 |
| top | average opponent: 1510record: 2-2 | new rating: 1500 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 130 | Fujii, Takahiro (1500) | Won 2-0 | +181518 |
| 2extended | 151 | Sekine, Ryuji (1518) | Won 2-0 | +181536 |
| 3extended | 34 | Takeda, Koji (1536) | Lost 0-2 | -181518 |
| 4extended | 161 | Sugimoto, Satoshi (1537) | Lost 0-2 | -181500 |
| top | average opponent: 1523record: 2-2 | new rating: 1500 | ||