Ochiai, Hiroaki
Current rating: 1481
Record: 10-11-1
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 204 | Kawamichi, Masaru (1500) | Lost 1-2 | -191519 |
| 2standard | 282 | Kato, Akinori (1482) | Lost 0-2 | -181501 |
| 3standard | 373 | Shimode, Yuuya (1464) | Lost 0-2 | -191482 |
| 4standard | 431 | Tawa, Atsushi (1463) | Won 2-1 | +181500 |
| 5standard | 393 | Kimura, Shigeki (1463) | Lost 1-2 | -191481 |
| top | average opponent: 1474record: 1-4 | new rating: 1481 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 164 | Machi, Hiroki (1483) | Won 1-0 | +171519 |
| 2sealed | 107 | Hayashi, Yuki (1505) | Lost 0-1 | -181501 |
| 3sealed | 151 | Omori, Kazuto (1525) | Won 2-0 | +191520 |
| 4sealed | 116 | Hasegawa, Hironobu (1553) | Won 2-0 | +181538 |
| 5sealed | 111 | Mitsui, Hideo (1508) | Won 2-1 | +181556 |
| 6sealed | 66 | Obikane, Hidemitsu (1578) | Lost 1-2 | -181538 |
| top | average opponent: 1525record: 4-2 | new rating: 1538 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 242 | Kurita, Daisuke (1533) | Draw 1-1 | +11465 |
| 2sealed | 184 | Sato, Toshiya (1500) | Won 2-1 | +191484 |
| 3sealed | 121 | Hamamoto, Kenji (1429) | Won 2-1 | +171501 |
| 4sealed | 75 | Mitsui, Tokiko (1537) | Lost 0-2 | -181483 |
| 5sealed | 144 | Yamada, Uchu (1449) | Won 2-0 | +181501 |
| 6sealed | 80 | Taguchi, Yuichi (1544) | Won 2-0 | +181519 |
| 7sealed | 52 | Nakashima, Hisatomo (1539) | Lost 0-2 | -171502 |
| top | average opponent: 1504record: 4-2-1 | new rating: 1502 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 25 | Matsushita, Masakazu (1500) | Won 2-1 | +181518 |
| 2block | 6 | Yagi, Wataru (1500) | Lost 1-2 | -181500 |
| 3block | 429 | Harada, Hiroaki (1500) | Lost 1-2 | -181482 |
| 4block | 511 | Ohara, Kenji (1481) | Lost 1-2 | -181464 |
| top | average opponent: 1495record: 1-3 | new rating: 1464 | ||