Ishiguro, Satoshi6674
Current rating: 1689
Record: 47-41-1
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1686 | |||
| round | table | opponent (rating) | result | Δrating |
| 2pioneer | 96 | Shi, Jinghao (1515) | Won 2-0 | +151701 |
| 3pioneer | 191 | Lim, Junghun (1573) | Lost 1-2 | -211680 |
| 4pioneer | 391 | Shimura, Yasuhiko (1293) | Lost 1-2 | -241656 |
| 5pioneer | 585 | Ikeyama, Shingo (1499) | Won 2-0 | +151671 |
| 6pioneer | 311 | Kawabata, Yuji (1772) | Won 2-0 | +201691 |
| 7pioneer | 291 | Takahashi, Ryo 3906 (1761) | Won 2-1 | +191710 |
| 8pioneer | 254 | Yoshii, Satoshi (1552) | Won 2-0 | +151725 |
| 9pioneer | 140 | Usui, Syou (1905) | Lost 0-2 | -151710 |
| 10pioneer | 159 | Yanagidate, Ikumi (1534) | Lost 0-2 | -211689 |
| top | average opponent: 1600record: 5-4 | new rating: 1689 | ||
| Grand Prix Bangkok 2019 (ELD limited) | starting rating: 1557 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 77 | Lee, Wing Tat (1574) | Lost 1-2 | -171540 |
| 3sealed | 260 | Nisitsukcharoen, Ravikorn (1550) | Won 2-1 | +181558 |
| 4sealed | 200 | Seah, Danny (1585) | Won 2-1 | +181576 |
| 5sealed | 170 | Takahashi, Eiji (1699) | Lost 0-2 | -151561 |
| 6sealed | 212 | Chan, Kok Weng (1726) | Won 2-0 | +211582 |
| 7sealed | 113 | Hirayama, Shigetaka (1697) | Won 2-0 | +201602 |
| 8sealed | 48 | Poh, Liang Choong (1697) | Won 2-1 | +191621 |
| 9sealed | 73 | Tsujikawa, Taiga (1878) | Won 2-0 | +231644 |
| 10draft | 53 | Nakano, Fumiki (1776) | Won 2-0 | +201664 |
| 11draft | 40 | Supapipat, Nattawin (1730) | Lost 1-2 | -161648 |
| 12draft | 29 | Lee, Swee Tian (1624) | Won 2-0 | +171665 |
| 13draft | 23 | Mohd Nasir, Mohd Ikmal (1795) | Won 2-1 | +211686 |
| 14draft | 48 | Supapipat, Nattawin (1747) | Won 2-0 | +191705 |
| 15draft | 56 | Aimwatthana, Pin (1653) | Lost 1-2 | -191686 |
| top | average opponent: 1695record: 10-4 | new rating: 1686 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 365 | Kirito, Keisuke (1658) | Won 2-1 | +211531 |
| 3sealed | 257 | Wang, Haokang (1791) | Won 2-1 | +221553 |
| 4sealed | 181 | Inoue, Masaya (1541) | Lost 1-2 | -181535 |
| 5sealed | 265 | Ozawa, Tomohiko (1527) | Draw 1-1 | 01535 |
| 6sealed | 333 | Wadman, Alexander (1540) | Won 2-0 | +181553 |
| 7sealed | 203 | Komatsu, Yuuhei (1583) | Won 2-1 | +191572 |
| 8sealed | 118 | Takeshita, Toru (1777) | Lost 0-2 | -151557 |
| top | average opponent: 1631record: 4-2-1 | new rating: 1557 | ||
| Grand Prix Taipei 2019 (WAR standard) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 78 | Yu, Winchel (1438) | Lost 1-2 | -201528 |
| 3standard | 284 | Zhu, Chen-En (1499) | Won 2-1 | +171545 |
| 4standard | 225 | Tsai, Bryan (1519) | Lost 1-2 | -181527 |
| 5standard | 329 | Simpao, Starry (1616) | Lost 0-2 | -171510 |
| top | average opponent: 1518record: 1-3 | new rating: 1510 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1565 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 208 | Kim, Jinho (1525) | Lost 1-2 | -191546 |
| 3standard | 779 | Umeyama, Naoki (1435) | Won 2-1 | +161562 |
| 4standard | 762 | Hyodo, Kosuke (1646) | Won 2-1 | +191581 |
| 5standard | 405 | Seo, Kenta (1666) | Lost 0-2 | -161565 |
| 6standard | 653 | Ichikawa, Norikazu (1596) | Lost 0-2 | -171548 |
| top | average opponent: 1574record: 2-3 | new rating: 1548 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1549 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 389 | Matsumoto, Yuki1423 (1657) | Won 2-1 | +201569 |
| 3sealed | 263 | Ebitani, Keisuke (1765) | Won 2-0 | +221591 |
| 4sealed | 9 | Yanase, Kaname (1754) | Won 2-0 | +201611 |
| 5sealed | 38 | Oomori, Yasutomo (1923) | Lost 1-2 | -121599 |
| 6sealed | 277 | Terai, Tadayuki (1748) | Lost 1-2 | -151584 |
| 7sealed | 381 | Yamada, Ryo (1522) | Lost 1-2 | -191565 |
| top | average opponent: 1728record: 3-3 | new rating: 1565 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1565 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 189 | Ikeuchi, Norifumi (1537) | Lost 0-2 | -191546 |
| 4sealed | 732 | Hisano, Mikita (1424) | Lost 1-2 | -201526 |
| 5sealed | 606 | Koshi, Hiroto (1458) | Lost 1-2 | -191507 |
| 6sealed | 884 | Saito, Ryoichiro (1547) | Won 2-1 | +191526 |
| 7sealed | 743 | Kamiyama, Masayuki (1604) | Won 2-0 | +191545 |
| 8sealed | 549 | Hirayama, Atsushi (1767) | Won 2-1 | +221567 |
| 9sealed | 523 | Kanda, Aoi (1564) | Lost 1-2 | -181549 |
| top | average opponent: 1557record: 3-4 | new rating: 1549 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 548 | Miyata, Yuuya (1558) | Lost 1-2 | -181527 |
| 4standard | 641 | Matsumoto, Shou (1603) | Lost 1-2 | -171510 |
| 5standard | 943 | Okada, Taro (1534) | Won 2-1 | +191529 |
| 6standard | 649 | Unno, Yoshifumi (1512) | Won 2-0 | +171546 |
| 7standard | 419 | Yamada, Takuya (1742) | Won 2-0 | +221568 |
| 8standard | 338 | Hirano, Kosaku (1490) | Won 2-0 | +161584 |
| 9standard | 103 | Okamoto, Takaki (1503) | Lost 1-2 | -191565 |
| top | average opponent: 1563record: 4-3 | new rating: 1565 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 2157 | Tanimoto, Masashi (1488) | Lost 0-2 | -191524 |
| 4sealed | 2177 | Keitoku, Takanori (1503) | Won 2-0 | +181542 |
| 5sealed | 2072 | Kiyota, Osamu (1531) | Won 2-1 | +181560 |
| 6sealed | 2035 | Ootani, Yousuke (1588) | Lost 1-2 | -181542 |
| 7sealed | 2092 | Suda, Makoto (1468) | Won 2-1 | +171559 |
| 8sealed | 2076 | Nakashima, Hajime (1766) | Lost 0-2 | -141545 |
| top | average opponent: 1557record: 3-3 | new rating: 1545 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1439 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 671 | Yokota, Masaaki (1423) | Won 2-0 | +181457 |
| 3sealed | 664 | Yoshida, Shintarou (1604) | Won 2-1 | +211478 |
| 4sealed | 510 | Ichikawa, Kazuyuki (1602) | Won 2-1 | +201498 |
| 5sealed | 534 | Chiba, Akio (1909) | Won 2-1 | +251523 |
| 6sealed | 507 | Kuraoka, Satoshi (1607) | Won 2-1 | +201543 |
| 7sealed | 504 | Shirakawa, Yuichiro (1623) | Lost 0-2 | -171526 |
| 8sealed | 508 | Itou, Tomoya (1620) | Won 2-1 | +201546 |
| 9sealed | 521 | Ootaki, Takanori (1676) | Lost 1-2 | -161530 |
| 10draft | 104 | Ding, Yi (1548) | Lost 1-2 | -181512 |
| 11draft | 61 | Nakamichi, Daisuke (1623) | Won 2-0 | +201532 |
| 12draft | 51 | Nam, Sung Wook (1857) | Won 2-0 | +241556 |
| 13draft | 66 | Nakatani, Shinji (1630) | Lost 1-2 | -171539 |
| 14draft | 55 | Suzuki, Tomoyuki (1567) | Lost 0-2 | -171522 |
| 15draft | 73 | Hirata, Minoru (1702) | Won 2-1 | +211543 |
| top | average opponent: 1642record: 9-5 | new rating: 1543 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 694 | Satou, Takahisa (1516) | Lost 1-2 | -181487 |
| 4standard | 639 | Takeuchi, Keisuke (1518) | Lost 0-2 | -171470 |
| 5standard | 790 | Shimizu, Kyouji (1648) | Lost 1-2 | -151455 |
| 6standard | 830 | Okada, Yoshikazu (1584) | Lost 0-2 | -161439 |
| top | average opponent: 1566record: 0-4 | new rating: 1439 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 791 | Hasegawa, Atusi (1517) | Won 2-0 | +181518 |
| 3sealed | 738 | Murakami, Noriaki (1518) | Lost 1-2 | -181500 |
| 4sealed | 890 | Nomura, Shintaro (1490) | Won 2-1 | +181518 |
| 5sealed | 754 | Fujita, Kenichi (1752) | Lost 1-2 | -141504 |
| 6sealed | 904 | Takai, Hiroaki (1518) | Won 2-1 | +191523 |
| 7sealed | 850 | Idesawa, Ryo (1548) | Lost 1-2 | -181505 |
| top | average opponent: 1557record: 3-3 | new rating: 1505 | ||