F., Kouichi
Current rating: 1521
Record: 4-3
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 116 | Shimizu, Kazumi (1500) | Lost 0-2 | -181482 |
| 2sealed | 415 | Ootani, Masashi (1482) | Won 2-0 | +181500 |
| 3sealed | 197 | Ami, Souichirou (1559) | Won 2-0 | +191519 |
| 4sealed | 196 | Tsutsumi, Shuuhei (1517) | Won 2-0 | +181537 |
| 5sealed | 177 | Torigoe, Seitaro (1660) | Won 2-1 | +201557 |
| 6sealed | 46 | Shin, Takahiro (1553) | Lost 0-2 | -181539 |
| 7sealed | 141 | Mimura, Haruki (1509) | Lost 0-2 | -181521 |
| average opponent: 1540record: 4-3 | new rating: 1521 | |||