Iwashita, Satoshi
Current rating: 1430
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 99 | Hasegawa, Yoshimine (1500) | Lost 1-2 | -171446 |
| 2sealed | 246 | Sasaki, Yuki (1482) | Draw 1-1 | +11447 |
| 3sealed | 254 | Mochizuki, Takahito (1483) | Draw 1-1 | 01447 |
| 4sealed | 268 | Kim, Young-jun (1482) | Lost 1-2 | -171430 |
| top | average opponent: 1487record: 0-2-2 | new rating: 1430 | ||
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 45 | Sekiguchi, Ichiki (1500) | Lost 1-2 | -181500 |
| 2sealed | 199 | Shimotsubo, Naoki (1482) | Lost 1-2 | -181482 |
| 3sealed | 269 | Oikawa, Mutsuki (1464) | Lost 1-2 | -191463 |
| top | average opponent: 1482record: 0-3 | new rating: 1463 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 21 | Onishi, Hirokazu (1500) | Won 2-0 | +181518 |
| 2block | 346 | Kanazawa, Takashi (1500) | Lost 0-2 | -181500 |
| 3block | 366 | Ishikura, Nobuyuki (1566) | Lost 1-2 | -171483 |
| 4block | 505 | Hirayama, Kazumi (1448) | Won 2-0 | +171500 |
| 5block | 312 | Ota, Junpei (1500) | Won 2-0 | +181518 |
| 6block | 340 | Ogata, Ryosuke (1519) | Won 2-1 | +181536 |
| 7block | 190 | Ohno, Hokuto (1534) | Lost 0-2 | -181518 |
| top | average opponent: 1510record: 4-3 | new rating: 1518 | ||