Muramatsu, Hidefumi
Current rating: 1451
Record: 3-5
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 221 | Koseki, Takefumi (1554) | Won 2-1 | +191519 |
| 2pioneer | 319 | Shimazaki, Taichi (1478) | Lost 1-2 | -191500 |
| 3pioneer | 611 | Takagi, Kenji (1431) | Lost 0-2 | -191481 |
| 4pioneer | 686 | Matsushita, Yuusuke (1500) | Lost 0-2 | -181463 |
| 5pioneer | 673 | Sasayama, Shin (1278) | Lost 1-2 | -211442 |
| 6pioneer | 630 | Ihara, Akihiro (1287) | Won 2-0 | +151457 |
| 7pioneer | 523 | Shibata, Yuuki (1541) | Won 2-1 | +201477 |
| 8pioneer | 399 | Kounosu, Hiroaki (1047) | Lost 0-2 | -261451 |
| average opponent: 1389record: 3-5 | new rating: 1451 | |||