Katoh, Daisuke (Shizuoka)
Current rating: 1520
Record: 3-2-1
| Grand Prix Yokohama 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 329 | Takahashi, Keiji (1455) | Draw 1-1 | -11499 |
| 2modern | 409 | Abe, Yoshihito (1500) | Won 2-0 | +181517 |
| 3modern | 267 | Ishitsuka, Masahiko (1518) | Won 2-0 | +181535 |
| 4modern | 175 | Seki, Keita (1715) | Lost 0-2 | -151520 |
| 5modern | 337 | Yuuki W., (1521) | Won 2-1 | +181538 |
| 6modern | 201 | Hamamoto, Yohei (1525) | Lost 1-2 | -181520 |
| average opponent: 1539record: 3-2-1 | new rating: 1520 | |||