Isaka, Motoki
Current rating: 1445
Record: 3-7
| Grand Prix Kobe 2014 (modern) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 881 | Inui, Sei (1500) | Won 2-0 | +191467 |
| 2modern | 867 | Murata, Toshiaki (1854) | Won 2-1 | +251492 |
| 3modern | 748 | Yoshizaki, Hiroki (1517) | Lost 0-2 | -171475 |
| 4modern | 1004 | Yamamoto, Takashi (1443) | Won 2-1 | +171492 |
| 5modern | 832 | Kawasaki, Keita (1713) | Lost 0-2 | -141478 |
| 6modern | 908 | Yamasaki, Yudai (1674) | Lost 1-2 | -151463 |
| 7modern | 997 | Ehara, Makoto (1449) | Lost 0-2 | -181445 |
| average opponent: 1593record: 3-4 | new rating: 1445 | |||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 152 | Tanaka, Makoto (1404) | Lost 0-2 | -201480 |
| 2sealed | 424 | Sugimoto, Nobuhiro (1482) | Lost 0-2 | -181462 |
| 3sealed | 442 | Abe, Hirofumi (1695) | Lost 0-2 | -141448 |
| average opponent: 1527record: 0-3 | new rating: 1448 | |||