Umman, Masahiro
Current rating: 1470
Record: 5-7
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 502 | Ishino, Takuya (1454) | Won 2-1 | +171517 |
| 4standard | 160 | Ramis Pascual, Toni (1938) | Won 2-1 | +251542 |
| 5standard | 101 | Kudou, Kazuki (1636) | Lost 1-2 | -161526 |
| 6standard | 204 | Kyo, Kano (1509) | Lost 1-2 | -181508 |
| 7standard | 622 | Tada, Naoyuki (1483) | Won 2-0 | +171525 |
| 8standard | 370 | Yuji, Tsukihara (1555) | Lost 1-2 | -171508 |
| 9standard | 472 | Iwatou, Kodai (1502) | Won 2-0 | +181526 |
| 10standard | 392 | Sano, Kouta (1450) | Won 2-1 | +161542 |
| 11standard | 218 | Matsubara, Takeyuki (1616) | Lost 0-2 | -161526 |
| 12standard | 271 | Kokumai, Hirokazu (1566) | Lost 0-2 | -181508 |
| 13standard | 318 | Itou, Masahiro1014 (1306) | Lost 1-2 | -211487 |
| 14standard | 305 | Aoki, Yoshitsugu (1551) | Lost 1-2 | -171470 |
| average opponent: 1547record: 5-7 | new rating: 1470 | |||