Onishi, Jun
Current rating: 1532
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 71 | Ishida, Atsushi (1484) | Lost 0-2 | -191534 |
| 4block | 239 | Adachi, Eiichiro (1518) | Won 2-0 | +171551 |
| 5block | 205 | Ikeda, Tsuyoshi (1485) | Lost 1-2 | -191532 |
| 6block | 280 | Tanaka, Yoshiyuki (1517) | Won 2-0 | +181550 |
| 7block | 151 | Uchida, Takuya (1538) | Lost 1-2 | -181532 |
| top | average opponent: 1508record: 2-3 | new rating: 1532 | ||
| Grand Prix Hiroshima 2001 (INV limited) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 93 | Neki, Haruyuki (1506) | Won 2-1 | +181558 |
| 2sealed | 83 | Kaneko, Masanori (1518) | Lost 0-2 | -191539 |
| 3sealed | 134 | Sugiyama, Yuya (1499) | Won 2-0 | +171556 |
| 4sealed | 76 | Hasegawa, Taro (1484) | Lost 1-2 | -191537 |
| 5sealed | 128 | Nonaka, Ryota (1499) | Won 2-0 | +171554 |
| 6sealed | 81 | Yoshitani, Atsuki (1518) | Won 2-0 | +181572 |
| 7sealed | 68 | Saito, Hajime (1536) | Lost 1-2 | -191553 |
| top | average opponent: 1509record: 4-3 | new rating: 1553 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3extended | 93 | Tatsumi, Tomohiro (1536) | Lost 1-2 | -171483 |
| 4extended | 196 | Mochizuki, Kazuhiro (1518) | Lost 0-2 | -181465 |
| 5extended | 230 | Akamatsu, Yoshiki (1533) | Won 2-0 | +201485 |
| 6extended | 107 | Matoba, Takashi (1518) | Won 2-0 | +181503 |
| 7extended | 85 | Mayuzumi, Shinichi (1536) | Won 2-1 | +191522 |
| 8extended | 62 | Ikuta, Tatsuya (1557) | Won 2-1 | +181540 |
| top | average opponent: 1533record: 4-2 | new rating: 1540 | ||