Katsuta, Ryou
Current rating: 1539
Record: 5-3-1
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1069 | Murase, Motonori (1478) | Lost 0-2 | -181482 |
| 2sealed | 1085 | Takada, Masahiro (1518) | Won 2-1 | +181500 |
| 3sealed | 876 | Hara, Ryota (1503) | Won 2-0 | +181518 |
| 4sealed | 822 | Tamura, Kenji (1516) | Won 2-0 | +181536 |
| 5sealed | 734 | Terauchi, Tatsuya (1636) | Draw 1-1 | +21538 |
| 6sealed | 801 | Nomura, Hidehiro (1537) | Lost 0-2 | -181520 |
| 7sealed | 867 | Gotou, Setsuya (1541) | Won 2-0 | +181538 |
| 8sealed | 980 | Kakiki, Ayumu (1540) | Won 2-0 | +181556 |
| 9sealed | 928 | Yoshioka, Ichita (1600) | Lost 0-2 | -171539 |
| average opponent: 1541record: 5-3-1 | new rating: 1539 | |||