Igarashi, Tooru
Current rating: 1507
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 954 | Asai, Ikuya (1500) | Won 2-0 | +181546 |
| 2sealed | 1148 | Kanamaru, Atsunori (1525) | Lost 1-2 | -191527 |
| 3sealed | 1074 | Miyoshi, Yasufumi (1411) | Lost 0-2 | -201507 |
| top | average opponent: 1479record: 1-2 | new rating: 1507 | ||
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 44 | Sato, Genta (1500) | Won 2-0 | +181518 |
| 2sealed | 163 | Mita, Ryoichi (1519) | Won 2-0 | +181536 |
| 3sealed | 32 | Tanaka, Hisaya (1727) | Lost 0-2 | -151521 |
| 4sealed | 98 | Amino, Kaoru (1490) | Won 2-0 | +181539 |
| 5sealed | 111 | Seino, Satoshi (1539) | Won 2-1 | +181557 |
| 6sealed | 84 | Nakada, Naoki (1652) | Lost 0-2 | -171540 |
| 7sealed | 110 | Iyanaga, Junya (1866) | Lost 0-2 | -121528 |
| top | average opponent: 1613record: 4-3 | new rating: 1528 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 274 | Mori, Youhei (1500) | Lost 1-2 | -181482 |
| 2standard | 307 | Kondou, Keiichi (1543) | Won 2-1 | +191501 |
| 3standard | 164 | Sugiura, Kiyohiro (1445) | Won 2-0 | +171518 |
| 4standard | 164 | Takawashi, Shun'Ichi (1504) | Lost 1-2 | -181500 |
| top | average opponent: 1498record: 2-2 | new rating: 1500 | ||