Iwamoto, Keishi
Current rating: 1520
Record: 3-2-1
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 314 | Noguchi, Tomokazu (1518) | Won 2-0 | +181518 |
| 3block | 221 | Matsumoto, Takafumi(Tokushim (1517) | Won 2-0 | +181536 |
| 4block | 109 | Okada, Yoshiyuki (1535) | Draw 1-1 | 01536 |
| 5block | 74 | Yamada, Yuuki (1554) | Won 2-0 | +191555 |
| 6block | 35 | Shiozu, Ryouma (1616) | Lost 0-2 | -171538 |
| 7block | 110 | Nishida, Koji (1553) | Lost 1-2 | -181520 |
| average opponent: 1549record: 3-2-1 | new rating: 1520 | |||