Ogawa, Hidetoshi
Current rating: 1532
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1570 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 101 | Takeda, Koji(Kanagawa) (1500) | Won 2-1 | +171587 |
| 2sealed | 8 | Kawai, Satoshi (1534) | Lost 0-2 | -191568 |
| 3sealed | 170 | Okita, Kenichiro (1545) | Lost 0-2 | -191549 |
| 4sealed | 208 | Nakazawa, Kazuhiro (1568) | Lost 1-2 | -171532 |
| top | average opponent: 1537record: 1-3 | new rating: 1532 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 359 | Tanaka, Hideki (1500) | Won 2-0 | +171553 |
| 2block | 207 | Izumi, Shinji (1518) | Won 2-0 | +171570 |
| 3block | 83 | Siagian, Yohannes (1639) | Lost 0-2 | -161554 |
| 4block | 164 | Nitta, Tomoaki (1518) | Won 2-1 | +171571 |
| 5block | 247 | Ohta, Shinji (1536) | Won 2-1 | +171588 |
| 6block | 90 | Ishige, Tatsuya (1554) | Won 2-0 | +181606 |
| 7block | 53 | Matoba, Takashi (1556) | Lost 1-2 | -191587 |
| 8block | 97 | Nakamura, Satoshi (1648) | Lost 1-2 | -171570 |
| top | average opponent: 1559record: 5-3 | new rating: 1570 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 99 | Sawada, Ryosuke (1500) | Won 2-0 | +181518 |
| 2extended | 97 | Iwasa, Tamotsu (1518) | Lost 0-2 | -181500 |
| 3extended | 246 | Nishimura, Yuya (1482) | Lost 0-2 | -181482 |
| 4extended | 260 | Oyama, Takeo (1482) | Won 2-0 | +181500 |
| 5extended | 232 | Okita, Kazuya (1499) | Won 2-0 | +181518 |
| 6extended | 161 | Iwamoto, Shota (1517) | Lost 1-2 | -181500 |
| 7extended | 190 | Kouno, Tomohiro (1500) | Won 2-0 | +181518 |
| 8extended | 116 | Heima, Yasutaka (1517) | Won 2-1 | +181536 |
| top | average opponent: 1502record: 5-3 | new rating: 1536 | ||