Massaki, Toshihiro
Current rating: 1426
Record: 0-4
| Grand Prix Yokohama 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 185 | Suda, Makoto (1486) | Lost 0-2 | -181482 |
| 2modern | 627 | Negami, Hiroyuki (1478) | Lost 1-2 | -181464 |
| 3modern | 667 | Fujita, Osamu (Niigata) (1396) | Lost 0-2 | -201444 |
| 4modern | 705 | Ishihara, Susumu (1415) | Lost 0-2 | -181426 |
| average opponent: 1444record: 0-4 | new rating: 1426 | |||