Iwata, Masanori
Current rating: 1482
Record: 3-4-1
| Grand Prix Sapporo 2002 (Odyssey block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 120 | Suzuki, Yuta (1500) | Won 2-1 | +181518 |
| 2block | 97 | Onodera, Kazutaka (1483) | Lost 0-2 | -191499 |
| 3block | 145 | Yasufuku, Akihiro (1488) | Lost 0-2 | -181481 |
| 4block | 182 | Kimura, Kazutaka (1482) | Won 2-0 | +181499 |
| 5block | 117 | Kita, Makoto (1539) | Lost 0-2 | -171482 |
| average opponent: 1498record: 2-3 | new rating: 1482 | |||
| Grand Prix Sapporo 2000 (PCY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 14 | Sasaki, Satoshi (Saitama) (1500) | Draw 1-1 | 01500 |
| 2sealed | 57 | Sumita, Masanobu (1500) | Lost 0-2 | -181482 |
| 3sealed | 102 | Kaneko, Masato (1482) | Won 2-0 | +181500 |
| average opponent: 1494record: 1-1-1 | new rating: 1500 | |||