Ishihara, Takashi5369
Current rating: 1581
Record: 16-12-1
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1610 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 197 | Kobayashi, Shougo (1404) | Lost 1-2 | -211589 |
| 4standard | 344 | Kurokawa, Yuusuke (1588) | Lost 0-2 | -181571 |
| 5standard | 879 | Imamura, Daisuke (1325) | Won 2-1 | +131584 |
| 6standard | 651 | Shibata, Ryosuke (1501) | Won 2-1 | +171601 |
| 7standard | 447 | Hishida, Akinori (1419) | Won 2-1 | +151616 |
| 8standard | 283 | Oda, Keigo (1556) | Lost 1-2 | -201596 |
| 9standard | 274 | Nakamura, Junya (1743) | Lost 1-2 | -151581 |
| top | average opponent: 1505record: 3-4 | new rating: 1581 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1597 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 2113 | Pauling, Benjamin (1526) | Won 2-1 | +161613 |
| 4sealed | 2043 | Iskandar, Nik (1475) | Won 2-0 | +161629 |
| 5sealed | 2015 | Miyamoto, Hiroya (1640) | Lost 0-2 | -181611 |
| 6sealed | 2083 | Inagaki, Hirokazu (1552) | Won 2-0 | +171628 |
| 7sealed | 2045 | Murata, Toshiaki (1830) | Lost 0-2 | -141614 |
| 8sealed | 2069 | Mita, Ryoichi (1526) | Won 2-0 | +161630 |
| 9sealed | 2046 | Nonaka, Satoshi (1542) | Lost 0-2 | -201610 |
| top | average opponent: 1584record: 4-3 | new rating: 1610 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1575 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 624 | Sonoda, Naohiro (1648) | Lost 1-2 | -171558 |
| 4sealed | 882 | Kamizono, Naoki (1616) | Won 2-0 | +191577 |
| 5sealed | 767 | Yamaoka, Nobuyuki (1514) | Lost 0-2 | -191558 |
| 6sealed | 871 | Mizuta, Youhei (1578) | Won 2-1 | +181576 |
| 7sealed | 792 | Nagao, Kengo (1698) | Lost 0-2 | -161560 |
| 8sealed | 788 | Hsin, Michael (1520) | Won 2-1 | +181578 |
| 9sealed | 736 | Suganuma, Takayuki (1628) | Won 2-1 | +191597 |
| top | average opponent: 1600record: 4-3 | new rating: 1597 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 282 | Samura, Toshiki (1520) | Won 2-0 | +181518 |
| 3modern | 208 | Ishihara, Jun (1632) | Won 2-0 | +201538 |
| 4modern | 22 | Ito, Atsushi (1890) | Won 2-1 | +251563 |
| 5modern | 48 | Koyanagi, Takuya (1691) | Won 2-1 | +201583 |
| 6modern | 55 | Murase, Hiroshi (1894) | Won 2-1 | +231606 |
| 7modern | 49 | Hirosawa, Yuuta (1789) | Lost 0-2 | -141592 |
| 8modern | 68 | Fuchita, Shouhei (1641) | Draw 1-1 | +11593 |
| 9modern | 79 | Fujioka, Naoya (1593) | Lost 0-2 | -181575 |
| top | average opponent: 1706record: 5-2-1 | new rating: 1575 | ||