Sumiyoshi, Masayuki
Current rating: 1463
Record: 1-3
| Grand Prix Hiroshima 2001 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 21 | Yao, Yoshiharu (1500) | Won 2-1 | +181518 |
| 2sealed | 56 | Yamaguchi, Teruyuki (1516) | Lost 1-2 | -181500 |
| 3sealed | 80 | Rikuno, Keito (1465) | Lost 0-2 | -191481 |
| 4sealed | 160 | Kukita, Takenao (1482) | Lost 1-2 | -181463 |
| average opponent: 1491record: 1-3 | new rating: 1463 | |||