Iizuka, Hiroki
Current rating: 1416
Record: 1-6
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 253 | Higuchi, Yasuhiro (1484) | Won 2-1 | +191463 |
| 2standard | 263 | Kimigahukuro, Gaku (1516) | Lost 1-2 | -171446 |
| 3standard | 1090 | Nagami, Youichi (1750) | Lost 0-2 | -131433 |
| 4standard | 1361 | Nishmura, Yukitaka (1450) | Lost 0-2 | -171416 |
| average opponent: 1550record: 1-3 | new rating: 1416 | |||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2279 | Hasebe, Shunichi (1448) | Lost 0-2 | -191481 |
| 2sealed | 2417 | Morikawa, Tomoya (1469) | Lost 1-2 | -181463 |
| 3sealed | 2440 | Terajima, Kenichi (1435) | Lost 0-2 | -191444 |
| average opponent: 1451record: 0-3 | new rating: 1444 | |||