Kume, Isaka
Current rating: 1513
Record: 4-4
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 967 | Lee, Yongjin (1571) | Won 2-1 | +191519 |
| 2sealed | 836 | Yamada, Masataka (1519) | Won 2-1 | +181537 |
| 3sealed | 605 | Mori, Yuta (1502) | Won 2-1 | +181555 |
| 4sealed | 642 | Nakano, Fumiki (1657) | Won 2-0 | +191574 |
| 5sealed | 629 | Nanjo, Masashi (1759) | Lost 0-2 | -141560 |
| 6sealed | 712 | Kim, Moon Seong (1555) | Lost 1-2 | -181542 |
| 7sealed | 799 | Asahara, Akira (1936) | Lost 0-2 | -111531 |
| 8sealed | 780 | Uesugi, Fumiya (1558) | Lost 0-2 | -181513 |
| average opponent: 1632record: 4-4 | new rating: 1513 | |||