Harada, Hiroaki
Current rating: 1484
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 233 | Shiraishi, Masaharu (1518) | Lost 1-2 | -181465 |
| 2sealed | 196 | Honma, Suguru (1445) | Won 2-0 | +181483 |
| 3sealed | 130 | Saiba, Hajime (1517) | Won 2-0 | +181501 |
| 4sealed | 154 | Uotsu, Atsushi (1497) | Won 2-0 | +181519 |
| 5sealed | 83 | Toda, Hirotsugu (1536) | Lost 0-2 | -171502 |
| 6sealed | 151 | Masuda, Kazuki (1523) | Won 2-1 | +181520 |
| 7sealed | 99 | Koshiba, Norihiko (1514) | Lost 0-2 | -181502 |
| 8sealed | 51 | Saitou, Yuu (1524) | Lost 1-2 | -181484 |
| top | average opponent: 1509record: 4-4 | new rating: 1484 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 145 | Yamamoto, Akimasa (1622) | Lost 0-2 | -161518 |
| 2sealed | 205 | Kawashima, Yoshiyuki (1640) | Lost 0-2 | -161502 |
| 3sealed | 288 | Fukuda, Kazuhiro (1413) | Lost 0-2 | -191483 |
| top | average opponent: 1559record: 0-3 | new rating: 1483 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 360 | Kaneko, Kentaro (1500) | Lost 1-2 | -181482 |
| 2block | 376 | Nagata, Koichiro (1482) | Won 2-1 | +181500 |
| 3block | 429 | Ochiai, Hiroaki (1500) | Won 2-1 | +181518 |
| 4block | 171 | Hirabayashi, Ryuta (1500) | Won 2-0 | +181536 |
| 5block | 204 | Yanagawa, Masaru (1535) | Lost 0-2 | -181518 |
| 6block | 333 | Kawamura, Akihiro (1516) | Won 2-0 | +181536 |
| 7block | 241 | Takahama, Norimasa (1519) | Won 2-1 | +171553 |
| 8block | 74 | Shiki, Kazumasa (1501) | Lost 0-2 | -191534 |
| top | average opponent: 1507record: 5-3 | new rating: 1534 | ||