Kumazawa, Kazuhiko
Current rating: 1440
Record: 1-4
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 861 | Nohara, Ryuuji (1500) | Lost 0-2 | -181482 |
| 2sealed | 969 | Suzuki, Kazushige (1629) | Lost 0-2 | -151467 |
| 3sealed | 1078 | Tanabe, Kazuya (1133) | Lost 1-2 | -241443 |
| 4sealed | 1093 | Sasaki, Yutaka (1444) | Won 2-1 | +181461 |
| 5sealed | 1007 | Tanaka, Makoto (1280) | Lost 1-2 | -211440 |
| average opponent: 1397record: 1-4 | new rating: 1440 | |||