Ishitsuka, Yuuta
Current rating: 1468
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 531 | Masuda, Tomohito (1417) | Won 2-1 | +171516 |
| 4standard | 342 | Wee, Pang Ming (1768) | Lost 1-2 | -141502 |
| 5standard | 591 | Matsui, Shintaro (1432) | Lost 0-2 | -191483 |
| 6standard | 916 | Kimura, Yu (1527) | Lost 0-2 | -171466 |
| 7standard | 799 | Yamada, Motoi (1499) | Won 2-0 | +181484 |
| 8standard | 859 | Choi, Minsu (1558) | Lost 1-2 | -161468 |
| top | average opponent: 1533record: 2-4 | new rating: 1468 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 305 | Inuzuka, Satoshi (1668) | Lost 1-2 | -151483 |
| 3sealed | 287 | Terada, Tadayoshi (1446) | Lost 0-2 | -191464 |
| 4sealed | 421 | Ikeda, Tatsurou (1404) | Won 2-0 | +171481 |
| 5sealed | 364 | Minagawa, Takashi (1502) | Won 2-0 | +181499 |
| 6sealed | 275 | Umezawa, Hitoshi (1474) | Won 2-1 | +181517 |
| 7sealed | 104 | Kaneko, Hirotaka (1532) | Lost 1-2 | -181499 |
| top | average opponent: 1504record: 3-3 | new rating: 1499 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 183 | Uchida, Satoru (1500) | Won 2-0 | +181518 |
| 2sealed | 101 | Chou, Gyou (1482) | Won 2-0 | +171535 |
| 3sealed | 41 | Yamao, Masakura (1456) | Lost 0-2 | -191516 |
| 4sealed | 137 | Segawa, Naoki (1517) | Won 2-1 | +181534 |
| 5sealed | 171 | Uchikawa, Tomoaki (1509) | Lost 1-2 | -191515 |
| 6sealed | 189 | M., Satoru (1521) | Lost 0-2 | -171498 |
| top | average opponent: 1498record: 3-3 | new rating: 1498 | ||