Ishitsuka, Masahiko
Current rating: 1500
Record: 1-1-1
| Grand Prix Yokohama 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 180 | Mori, Nobuaki (1500) | Won 2-0 | +181518 |
| 2modern | 79 | Nishikawa, Tomoya (1518) | Draw 1-1 | 01518 |
| 3modern | 267 | Katoh, Daisuke (Shizuoka) (1517) | Lost 0-2 | -181500 |
| average opponent: 1512record: 1-1-1 | new rating: 1500 | |||