Tanaka, Hidekazu
Current rating: 1451
Record: 3-6
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 444 | Takahashi, Osamu (1520) | Lost 0-2 | -171446 |
| 2sealed | 745 | Maeda, Yasuyuki (1544) | Lost 1-2 | -161430 |
| 3sealed | 1021 | Kinoshita, Mika (1465) | Won 2-0 | +181448 |
| 4sealed | 885 | Omori, Wataru (1571) | Won 2-1 | +211469 |
| 5sealed | 591 | Masuyama, Takahiro (1468) | Lost 1-2 | -181451 |
| average opponent: 1513record: 2-3 | new rating: 1451 | |||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 186 | Kurikage, Kazuya (1500) | Won 2-0 | +181518 |
| 2standard | 265 | Masaki, Yuuki (1576) | Lost 1-2 | -171501 |
| 3standard | 363 | Watanabe, Shouichi (1432) | Lost 1-2 | -191482 |
| 4standard | 636 | Kurokawa, Ryushi (1438) | Lost 1-2 | -191463 |
| average opponent: 1487record: 1-3 | new rating: 1463 | |||