Mukasa, Naozumi
Current rating: 1442
Record: 1-4
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 455 | Koshida, Yusuke (1382) | Lost 0-2 | -201480 |
| 2modern | 663 | Kishi, Hideyuki (1375) | Lost 1-2 | -201460 |
| 3modern | 1041 | Itakura, Kenichi (1354) | Won 2-0 | +161476 |
| 4modern | 901 | Andou, Masahito (1534) | Lost 0-2 | -171459 |
| 5modern | 966 | Anraku, Koutarou (1490) | Lost 0-2 | -171442 |
| average opponent: 1427record: 1-4 | new rating: 1442 | |||