Izumo, Daisuke
Current rating: 1431
Record: 3-7
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 174 | Nagura, Yoshiyasu (1500) | Lost 1-2 | -171428 |
| 2sealed | 244 | Nabatame, Makoto (1481) | Won 2-1 | +191447 |
| 3sealed | 223 | Katou, Masanari (1522) | Lost 0-2 | -161431 |
| average opponent: 1501record: 1-2 | new rating: 1431 | |||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 99 | Yamashita, Kazutoshi (1500) | Lost 1-2 | -181482 |
| 2sealed | 215 | Fujitsuka, Shougo (1499) | Lost 1-2 | -181464 |
| 3sealed | 320 | Mochizuki, Katsuhiko (1464) | Lost 0-2 | -181446 |
| 4sealed | 309 | Tanigawa, Ikuyo (1384) | Lost 1-2 | -191427 |
| 5sealed | 273 | Kawamura, Kazutaka (1428) | Won 2-0 | +181445 |
| 6sealed | 229 | Nakayama, Naoki (1444) | Won 2-0 | +181463 |
| 7sealed | 172 | Shimazu, Atsushi (1464) | Lost 1-2 | -181445 |
| average opponent: 1455record: 2-5 | new rating: 1445 | |||