Katou, Zero
Current rating: 1478
Record: 2-3
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 706 | Saitou, Akikazu (1500) | Won 2-1 | +181518 |
| 2sealed | 709 | Noji, Tomoyuki (1324) | Won 2-0 | +151533 |
| 3sealed | 641 | Yoshioka, Tokio (1470) | Lost 1-2 | -201513 |
| 4sealed | 837 | Takahashi, Akira (1591) | Lost 1-2 | -161497 |
| 5sealed | 894 | Mizutani, Yuki (1478) | Lost 1-2 | -191478 |
| average opponent: 1473record: 2-3 | new rating: 1478 | |||