Muramatsu, Shota
Current rating: 1436
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 48 | Yamazaki, Yusuke (1491) | Won 2-0 | +191484 |
| 2sealed | 533 | Nakai, Tomoki (1706) | Lost 1-2 | -141470 |
| 3sealed | 684 | Yoshii, Takayuki (1546) | Lost 0-2 | -171453 |
| 4sealed | 1040 | Usuzawa, Yuuki (1483) | Lost 0-2 | -171436 |
| top | average opponent: 1557record: 1-3 | new rating: 1436 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 731 | Hayashi, Yuta (1426) | Lost 1-2 | -191463 |
| 2standard | 1038 | Kato, Ryosuke (1480) | Won 2-0 | +181481 |
| 3standard | 1145 | Tatematsu, Yuichi (1499) | Won 2-1 | +181499 |
| 4standard | 593 | Kiyoyama, Ryohei (1521) | Won 2-0 | +191518 |
| 5standard | 657 | Oomiya, Kenta (1562) | Lost 1-2 | -181500 |
| 6standard | 790 | Bae, Sanghoon (1532) | Lost 1-2 | -171483 |
| 7standard | 1100 | Fujikake, Yakumo (1501) | Lost 0-2 | -181465 |
| top | average opponent: 1503record: 3-4 | new rating: 1465 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 47 | Tanaka, Kisuke (1483) | Won 2-0 | +181518 |
| 2sealed | 4 | Shimizu, Junji (1603) | Lost 1-2 | -171501 |
| 3sealed | 399 | Zhao, Jin (1520) | Lost 1-2 | -171484 |
| 4sealed | 460 | Kondo, Yuki (1482) | Won 2-0 | +181502 |
| 5sealed | 422 | Yoshimoto, Takashi (1392) | Lost 1-2 | -201482 |
| top | average opponent: 1496record: 2-3 | new rating: 1482 | ||