Ishikawa, Ryosuke
Current rating: 1526
Record: 22-20-1
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 332 | Izumi, Keita (1500) | Lost 0-2 | -191507 |
| 2sealed | 760 | Kamegawa, Kenta (1414) | Won 2-0 | +161523 |
| 3sealed | 734 | Yamamoto, Kohei 0859 (1491) | Won 2-1 | +181541 |
| 4sealed | 519 | Miyabe, Kouichi (1753) | Lost 0-2 | -141527 |
| 5sealed | 620 | Sekiya, Haruki (1530) | Won 2-1 | +181545 |
| 6sealed | 410 | Taguchi, Hiroyasu (1512) | Lost 1-2 | -191526 |
| top | average opponent: 1533record: 3-3 | new rating: 1526 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 27 | Kawasaki, Hideaki (1544) | Won 2-0 | +191509 |
| 2standard | 562 | Shibata, Takeshi (1509) | Draw 1-1 | 01509 |
| 3standard | 735 | Watanabe, Ryouta (1477) | Won 2-1 | +181527 |
| 4standard | 415 | Eguchi, Yukio (1582) | Lost 0-2 | -171510 |
| 5standard | 716 | Okamoto, Yasutaka (1462) | Won 2-1 | +171527 |
| 6standard | 494 | Fukuki, Akito (1490) | Lost 0-2 | -191508 |
| 7standard | 723 | Koike, Tomoyuki (1497) | Won 2-1 | +181526 |
| 8standard | 533 | Yuda, Yukihiro (1536) | Won 2-1 | +181544 |
| 9standard | 318 | Murata, Yutaka (1519) | Lost 0-2 | -181526 |
| top | average opponent: 1513record: 5-3-1 | new rating: 1526 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 244 | Sano, Hikaru (1500) | Lost 0-2 | -181472 |
| 2standard | 843 | Shimizu, Yusuke (1438) | Lost 0-2 | -191453 |
| 3standard | 1104 | Gou, Makoto (1464) | Won 2-0 | +191472 |
| 4standard | 858 | Goto, Takeshi (1482) | Won 2-1 | +181490 |
| 5standard | 598 | Yasuda, Takaaki (1504) | Won 2-1 | +181508 |
| 6standard | 515 | Yamamoto, Yasutaka (1516) | Lost 1-2 | -181490 |
| top | average opponent: 1484record: 3-3 | new rating: 1490 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1600 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 706 | Kinoshita, Daichi (1500) | Won 2-0 | +161616 |
| 2sealed | 582 | Ishikawa, Fumiaki (1499) | Lost 0-2 | -201596 |
| 3sealed | 800 | Satou, Hiroki (1500) | Lost 1-2 | -201576 |
| 4sealed | 789 | Mitsui, Hideo (1461) | Lost 0-2 | -201556 |
| 5sealed | 825 | Ishimura, Kenji (1357) | Lost 0-2 | -211535 |
| 6sealed | 813 | Yoshimura, Motoki (1216) | Lost 0-2 | -241511 |
| 7sealed | 771 | Yamamoto, Kazuhide (1340) | Lost 0-2 | -211490 |
| top | average opponent: 1410record: 1-6 | new rating: 1490 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 692 | Abe, Tooru (1444) | Won 2-1 | +171517 |
| 2standard | 711 | Muraoka, Hideaki (1573) | Won 2-0 | +191536 |
| 3standard | 508 | Hoshino, Shinya (1435) | Won 2-0 | +161552 |
| 4standard | 595 | Kariya, Kazuki (1540) | Won 2-1 | +181570 |
| 5standard | 547 | Huang, Hao-Shan (1938) | Won 2-0 | +241594 |
| 6standard | 525 | Fujii, Hidekazu (1672) | Won 2-1 | +201614 |
| 7standard | 512 | Date, Tsutomu (1585) | Won 2-0 | +171631 |
| 8standard | 504 | Shoji, Kenta (1626) | Lost 0-2 | -181613 |
| 9standard | 631 | Shimada, Masahiko (1745) | Lost 0-2 | -151598 |
| 10standard | 36 | Suzuki, Toshiaki (1557) | Lost 0-2 | -191579 |
| 11standard | 90 | Mishima, Keita (1573) | Won 2-0 | +181597 |
| 12standard | 74 | Aoyama, Katsuhiko (1598) | Won 2-1 | +181615 |
| 13standard | 43 | Hishiyama, Norimichi (1646) | Lost 1-2 | -181597 |
| 14standard | 51 | Fujimoto, Yosuke (1635) | Lost 1-2 | -171580 |
| 15standard | 79 | Hassaku, Jinpei (1686) | Won 2-1 | +201600 |
| top | average opponent: 1617record: 10-5 | new rating: 1600 | ||