Ishikura, Nobuyuki
Current rating: 1582
Record: 24-18
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1628 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 54 | Tee, Eric (1410) | Won 2-0 | +141642 |
| 2sealed | 508 | Tamano, Yuuki (1499) | Lost 0-2 | -201622 |
| 3sealed | 642 | Furukawa, Ryouichi (1518) | Lost 1-2 | -201602 |
| 4sealed | 982 | Ito, Wataru (1515) | Lost 0-2 | -201582 |
| top | average opponent: 1486record: 1-3 | new rating: 1582 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1631 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 414 | Narita, Takashi (1520) | Lost 1-2 | -201611 |
| 4standard | 306 | Takiguchi, Yuta (1631) | Won 2-0 | +191630 |
| 5standard | 316 | Nagao, Yasutaka (1790) | Lost 1-2 | -151615 |
| 6standard | 489 | Takashima, Yuichiro (1523) | Won 2-1 | +161631 |
| 7standard | 385 | Motomura, Naoki (1567) | Won 2-1 | +171648 |
| 8standard | 263 | Kojima, Kenta (1462) | Won 2-1 | +141662 |
| 9standard | 149 | Kawasaki, Hirotaka (1733) | Lost 0-2 | -161646 |
| 10standard | 143 | Tasugi, Keigo (1618) | Won 2-1 | +171663 |
| 11standard | 147 | Namikawa, Katsuya (1647) | Lost 1-2 | -181645 |
| 12standard | 156 | Ishimaru, Ken (1720) | Lost 0-2 | -171628 |
| top | average opponent: 1621record: 5-5 | new rating: 1628 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 627 | Sasaki, Yusuke 6420 (1480) | Won 2-0 | +171576 |
| 2sealed | 60 | Koziol, Eric (1568) | Won 2-0 | +181594 |
| 3sealed | 354 | Sano, Keisuke (1490) | Won 2-1 | +161610 |
| 4sealed | 49 | Nishimoto, Takuya (1679) | Lost 0-2 | -171593 |
| 5sealed | 351 | Nakamura, Souta (1677) | Lost 1-2 | -171576 |
| 6sealed | 609 | Toman, Stefan (1565) | Won 2-0 | +181594 |
| 7sealed | 464 | Miyata, Yuuya (1621) | Won 2-1 | +191613 |
| 8sealed | 209 | Yokoi, Masaki (1670) | Lost 1-2 | -171596 |
| 9sealed | 305 | Taniguchi, Yuusuke (1617) | Won 2-0 | +181614 |
| 10draft | 78 | Uchiyama, Kouichi (1379) | Won 2-1 | +141628 |
| 11draft | 76 | Riphat, Aziz (1724) | Lost 0-2 | -161612 |
| 12draft | 75 | Kakinoki, Junichi (1604) | Won 2-1 | +181630 |
| 13draft | 55 | Kubo, Ryoutarou (1770) | Won 2-0 | +201650 |
| 14draft | 48 | Kasahara, Takuya (1607) | Lost 0-2 | -191631 |
| top | average opponent: 1604record: 9-5 | new rating: 1631 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1568 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 85 | Iwai, Tsuyoshi (1500) | Lost 1-2 | -191549 |
| 2block | 387 | Mizuma, Shinobu (1482) | Won 2-0 | +171566 |
| 3block | 366 | Iwashita, Satoshi (1500) | Won 2-1 | +161582 |
| 4block | 386 | Aya, Keisuke (1482) | Won 2-1 | +171599 |
| 5block | 239 | Nakamura, Tomoya (1471) | Lost 1-2 | -211578 |
| 6block | 324 | Suzuki, Hiro (1517) | Lost 0-2 | -191559 |
| top | average opponent: 1492record: 3-3 | new rating: 1559 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 46 | Yoshizawa, Toshio (1500) | Won 2-0 | +181518 |
| 2extended | 139 | Bun, Takutoshi (1518) | Won 2-1 | +181536 |
| 3extended | 102 | Nakano, Satoshi (1482) | Won 2-0 | +171553 |
| 4extended | 59 | Sano, Fumihiko (1566) | Lost 1-2 | -181535 |
| 5extended | 74 | Fuma, Masaharu (1472) | Won 2-0 | +171552 |
| 6extended | 90 | Nakagawa, Koichi (1519) | Won 2-0 | +171569 |
| 7extended | 51 | Okabayashi, Shun (1572) | Won 2-1 | +191588 |
| 8extended | 29 | Shiozu, Ryouma (1508) | Lost 0-2 | -201568 |
| top | average opponent: 1517record: 6-2 | new rating: 1568 | ||