Shimada, Akihiro
Current rating: 1483
Record: 5-6
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 562 | Ishii, Takuya (1518) | Lost 0-2 | -181501 |
| 2sealed | 660 | Yamaguchi, Mari (1482) | Lost 0-2 | -181483 |
| 3sealed | 1220 | Ito, Hiromu (1467) | Won 2-0 | +181501 |
| 4sealed | 1144 | Deng, Yunan (1507) | Lost 0-2 | -181483 |
| average opponent: 1494record: 1-3 | new rating: 1483 | |||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 323 | Ozawa, Hidenori (1500) | Won 2-1 | +181518 |
| 2sealed | 243 | Jitsukawa, Naofumi (1540) | Won 2-0 | +181536 |
| 3sealed | 2 | Nanba, Takashi (1536) | Won 2-0 | +181554 |
| 4sealed | 15 | Ohkawa, Yasuhiro (1536) | Lost 1-2 | -181536 |
| 5sealed | 180 | Sakano, Tatsuo (1462) | Lost 1-2 | -191517 |
| 6sealed | 261 | Onoda, Kenji (1516) | Won 2-1 | +181535 |
| 7sealed | 125 | Ito, Ken (1688) | Lost 0-2 | -161519 |
| average opponent: 1540record: 4-3 | new rating: 1519 | |||