Iwasa, Shingo
Current rating: 1465
Record: 7-9
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 985 | Kamimura, Fumihiro (1500) | Lost 1-2 | -191526 |
| 2standard | 874 | Shiosaki, Tatsuya (1482) | Lost 0-2 | -181508 |
| 3standard | 1481 | Aoki, Toshihito (1378) | Won 2-1 | +151523 |
| 4standard | 1344 | Murata, Hiroaki (1421) | Lost 0-2 | -201503 |
| 5standard | 1400 | Kanda, Nobuaki (1465) | Lost 0-2 | -181485 |
| 6standard | 1408 | Masuda, Yuuichi (1445) | Lost 1-2 | -191466 |
| 7standard | 1253 | Itakura, Kenichi (1454) | Lost 0-2 | -181448 |
| 8standard | 1079 | Noguchi, Takuya (1411) | Won 2-0 | +171465 |
| average opponent: 1444record: 2-6 | new rating: 1465 | |||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 925 | Endo, Takatomo (1518) | Won 2-1 | +181518 |
| 3sealed | 734 | Koshiishi, Tadahito (1532) | Won 2-0 | +191537 |
| 4sealed | 745 | Baba, Yasunori (1612) | Won 2-1 | +191556 |
| 5sealed | 655 | Omori, Ken'ichirou (1760) | Won 2-1 | +221578 |
| 6sealed | 670 | Yoshida, Kouki 543 (1587) | Won 2-0 | +181596 |
| 7sealed | 657 | Yokoyama, Shouta (1743) | Lost 0-2 | -161580 |
| 8sealed | 859 | Suzuki, Akiyoshi (1604) | Lost 0-2 | -171563 |
| 9sealed | 913 | Fujimaki, Satoshi (1577) | Lost 1-2 | -181545 |
| average opponent: 1617record: 5-3 | new rating: 1545 | |||