Mizutani, Wataru
Current rating: 1385
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1412 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 396 | Bai, Yuhan (1469) | Won 2-0 | +191431 |
| 2pioneer | 211 | Miyagi, Moto (1750) | Lost 0-2 | -121419 |
| 3pioneer | 650 | Fujita, Kotaro (1489) | Lost 0-2 | -171402 |
| 4pioneer | 703 | Tamura, Yuta (1459) | Lost 0-2 | -171385 |
| top | average opponent: 1542record: 1-3 | new rating: 1385 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 472 | Kaneko, Junpei (1478) | Lost 1-2 | -171429 |
| 2sealed | 601 | Murata, Hideaki (1449) | Won 2-1 | +181447 |
| 3sealed | 839 | Shoji, Hayato (1504) | Lost 0-2 | -171430 |
| 4sealed | 938 | Matsuda, Takuya (1451) | Lost 1-2 | -181412 |
| top | average opponent: 1471record: 1-3 | new rating: 1412 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 428 | Fukazawa, Yuuki (1585) | Lost 1-2 | -161484 |
| 2sealed | 641 | Tokairin, Taishi (1413) | Lost 1-2 | -201464 |
| 3sealed | 1052 | Sugiyama, Taichiro (1451) | Lost 0-2 | -181446 |
| top | average opponent: 1483record: 0-3 | new rating: 1446 | ||