Umeda, Hisashi
Current rating: 1453
Record: 3-6
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 8 | Sugiyama, Yuya (1568) | Lost 0-2 | -171488 |
| 4block | 231 | Oohira, Kenta (1484) | Lost 1-2 | -181470 |
| 5block | 281 | Ohtsu, Minami (1500) | Lost 0-2 | -171453 |
| average opponent: 1517record: 0-3 | new rating: 1453 | |||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 127 | Okuyama, Kenichi (1500) | Won 2-0 | +181518 |
| 2sealed | 123 | Higashi, Teppei (1554) | Lost 1-2 | -171501 |
| 3sealed | 154 | Tamura, Kenichi (1571) | Lost 1-2 | -171484 |
| 4sealed | 258 | Furuta, Shinichi (1512) | Won 2-0 | +181502 |
| 5sealed | 207 | Hirai, Masumi (1536) | Won 2-0 | +191521 |
| 6sealed | 106 | Maruyama, Tomohiro (1630) | Lost 1-2 | -161505 |
| average opponent: 1550record: 3-3 | new rating: 1505 | |||