Karube, Ryo
Current rating: 1537
Record: 7-5
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 217 | Yamamoto, Keitaro (1500) | Lost 0-2 | -181517 |
| 2sealed | 218 | Kumagai, Shinichi (1746) | Won 2-1 | +221539 |
| 3sealed | 139 | Kimura, Atsushi (1502) | Won 2-1 | +171556 |
| 4sealed | 71 | Shimura, Ichirou (1517) | Lost 1-2 | -191537 |
| average opponent: 1566record: 2-2 | new rating: 1537 | |||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 245 | Kato, Junichi (1500) | Lost 0-2 | -181482 |
| 2sealed | 315 | Ishigaki, Yoji (1482) | Won 2-1 | +181500 |
| 3sealed | 197 | Nagura, Hiroaki (1482) | Won 2-0 | +181518 |
| 4sealed | 123 | Yamamoto, Dai (1518) | Lost 1-2 | -181500 |
| 5sealed | 156 | Ito, Akira (1498) | Won 2-0 | +181518 |
| 6sealed | 158 | Makita, Kazeto (1519) | Won 2-1 | +181536 |
| 7sealed | 70 | Kurono, Kiyotoshi (1519) | Lost 1-2 | -191517 |
| 8sealed | 91 | Mori, Atsushi (1515) | Won 2-0 | +181535 |
| average opponent: 1504record: 5-3 | new rating: 1535 | |||