Ishizaki, Yoshiki
Current rating: 1780 (#2775)
Record: 47-30 (GP) / 2-4 (professional)
| Players Tour Nagoya 2020 (pioneer) | starting rating: 1828 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 29 | Lim, Ernest (1883) | Lost 1-2 | -171811 |
| 2draft | 63 | Chen, Mingyang (1678) | Lost 0-2 | -201791 |
| 3draft | 84 | Tsuruoka, Shouta (1581) | Won 2-0 | +141805 |
| 4pioneer | 76 | Nakamatu, Hirohumi (1550) | Won 2-0 | +141819 |
| 5pioneer | 62 | Cutting, Shane (1542) | Lost 1-2 | -231796 |
| 6pioneer | 62 | Ikawa, Yoshihiko (1934) | Lost 0-2 | -161780 |
| top | average opponent: 1695record: 2-4 | new rating: 1780 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1658 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 123 | Okubo, Yoshihiko (1547) | Won 2-1 | +161674 |
| 2sealed | 322 | Nakano, Masaya (1432) | Won 2-0 | +131687 |
| 3sealed | 221 | Ang, Shawn (1613) | Won 2-1 | +171704 |
| 4sealed | 47 | Gokan, Yuta (1395) | Won 2-0 | +121716 |
| 5sealed | 43 | Oh, Young Seok (1718) | Won 2-0 | +181734 |
| 6sealed | 5 | Suzuki, Ryo 0608 (1592) | Won 2-0 | +161750 |
| 7sealed | 28 | Hirayama, Atsushi (1725) | Won 2-0 | +171767 |
| 8sealed | 5 | Ohkawa, Yusuke (1660) | Lost 1-2 | -201747 |
| 9sealed | 55 | Nakashima, Shunichi (1777) | Lost 0-2 | -171730 |
| 10draft | 150 | Uemura, Akira (1582) | Won 2-1 | +151745 |
| 11draft | 64 | Okamoto, Yuuya (1736) | Won 2-0 | +181763 |
| 12draft | 150 | Itoh, Akira2497 (1612) | Won 2-1 | +151778 |
| 13draft | 176 | Nakashima, Shunichi (1804) | Won 2-0 | +191797 |
| 14draft | 123 | Matsukawa, Kentarou (1655) | Won 2-0 | +151812 |
| 15draft | 126 | Liang, Zhaoyuan (1708) | Won 2-0 | +161828 |
| top | average opponent: 1637record: 13-2 | new rating: 1828 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1574 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 273 | Oohashi, Toshiya (1671) | Won 2-1 | +201594 |
| 2sealed | 161 | Isaac, Du (1518) | Lost 0-2 | -201574 |
| 3sealed | 637 | Hasegawa, Yuto (1499) | Lost 0-2 | -191555 |
| 4sealed | 903 | Otuka, Ryutaro (1383) | Won 2-1 | +151570 |
| 5sealed | 585 | Kashiwa, Tomohiro (1502) | Won 2-1 | +171587 |
| 6sealed | 692 | Hara, Yusuke 8993 (1513) | Won 2-0 | +161603 |
| 7sealed | 370 | Nakata, Yuusaku (1704) | Won 2-0 | +201623 |
| 8sealed | 170 | Konno, Tomoyuki (1529) | Won 2-0 | +161639 |
| 9sealed | 180 | Kobayashi, Yuuki 0719 (1573) | Lost 1-2 | -191620 |
| 10draft | 719 | Agemura, Shota (1513) | Won 2-1 | +161636 |
| 11draft | 643 | Kokubun, Takeshi (1771) | Lost 1-2 | -151621 |
| 12draft | 734 | Satou, Takahisa (1550) | Won 2-0 | +161637 |
| 13draft | 728 | Shimoyama, Masatoshi (1688) | Won 2-0 | +191656 |
| 14draft | 650 | Ishizeki, Masaki (1596) | Won 2-0 | +171673 |
| 15draft | 670 | Mak, Wai Hou (1799) | Lost 0-2 | -151658 |
| top | average opponent: 1587record: 10-5 | new rating: 1658 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 212 | Muraki, Yuta (1328) | Won 2-0 | +151522 |
| 2sealed | 351 | Sakata, Akinori (1292) | Won 2-1 | +131535 |
| 3sealed | 264 | Nishibe, Daiki (1557) | Won 2-0 | +191554 |
| 4sealed | 307 | Noorlander, Niels (1753) | Won 2-0 | +211575 |
| 5sealed | 114 | Yamamoto, Kouhei (1590) | Won 2-0 | +191594 |
| 6sealed | 55 | Takeda, Noriaki (1619) | Won 2-1 | +181612 |
| 7sealed | 3 | Mine, Masahiro (1720) | Lost 0-2 | -161596 |
| 8sealed | 58 | Nakamura, Shuhei (2064) | Won 2-0 | +261622 |
| 9sealed | 17 | Wu, Timothy (2107) | Lost 0-2 | -101612 |
| 10draft | 297 | Ozawa, Takeshi (1869) | Won 2-0 | +231635 |
| 11draft | 335 | Cesar Siqueira, Jorge Henrique (1787) | Lost 1-2 | -151620 |
| 12draft | 233 | Zhu, David (1690) | Lost 0-2 | -171603 |
| 13draft | 123 | Ozawa, Takeshi (1839) | Lost 0-2 | -141589 |
| 14draft | 105 | Hasegawa, Kazunari (1756) | Lost 1-2 | -151574 |
| top | average opponent: 1712record: 8-6 | new rating: 1574 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 730 | Ishida, Shinpei (1580) | Lost 1-2 | -171488 |
| 2standard | 1145 | Kishimoto, Keisuke (1481) | Won 2-1 | +181506 |
| 3standard | 924 | Isigami, Laito (1500) | Lost 0-2 | -181488 |
| 4standard | 1125 | Yuasa, Masaki (1484) | Lost 1-2 | -181470 |
| 5standard | 1326 | Nakae, Syu (1479) | Won 2-1 | +181488 |
| 6standard | 1269 | Aoki, Satoshi (1540) | Won 2-0 | +191507 |
| 7standard | 780 | Kanno, Atsushi (1572) | Won 2-1 | +191526 |
| 8standard | 688 | Kawabata, Sho (1440) | Lost 1-2 | -191507 |
| top | average opponent: 1510record: 4-4 | new rating: 1507 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 100 | Hagino, Akira (1500) | Won 2-1 | +181490 |
| 2sealed | 333 | Kimura, Yasuyuki (1515) | Won 2-0 | +191509 |
| 3sealed | 55 | Harada, Yuuichirou (1575) | Won 2-1 | +191528 |
| 4sealed | 65 | Ikawa, Yoshihiko (1872) | Lost 0-2 | -121516 |
| 5sealed | 304 | Hindash, Mishal (1498) | Won 2-0 | +181534 |
| 6sealed | 125 | Umehara, Kei (1812) | Lost 0-2 | -131521 |
| 7sealed | 526 | Sugiyama, Nobukatsu (1544) | Won 2-1 | +181539 |
| 8sealed | 235 | Yamawaki, Takumi (1536) | Lost 0-2 | -181521 |
| 9sealed | 498 | Kawakami, Takehito (1623) | Lost 0-2 | -161505 |
| top | average opponent: 1608record: 5-4 | new rating: 1505 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 946 | Yamazaki, Motohiro (1500) | Lost 0-2 | -171431 |
| 2sealed | 1257 | Yokote, Hokuto (1482) | Won 2-1 | +191450 |
| 3sealed | 1207 | Sawada, Kazuki (1573) | Won 2-1 | +211471 |
| 4sealed | 975 | Ishii, Yuki (1431) | Lost 0-2 | -191452 |
| 5sealed | 1178 | Kadowaki, Toshiki (1500) | Won 2-0 | +191471 |
| 6sealed | 1004 | Yoshii, Akimi (1452) | Won 2-1 | +171488 |
| 7sealed | 945 | Hada, Nobuto (1574) | Lost 1-2 | -161472 |
| top | average opponent: 1502record: 4-3 | new rating: 1472 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 732 | Takita, Takeshi (1437) | Lost 0-2 | -191466 |
| 2sealed | 994 | Baba, Yuusuke (1469) | Won 2-0 | +181484 |
| 3sealed | 1007 | Miyamoto, Yutaro (1483) | Lost 1-2 | -181466 |
| 4sealed | 967 | Igarashi, Takuma (1482) | Lost 0-2 | -181448 |
| top | average opponent: 1468record: 1-3 | new rating: 1448 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 660 | Yasuda, Seita (1455) | Lost 0-2 | -191481 |
| 2sealed | 1080 | Shinohara, Nobuhito (1482) | Won 2-0 | +181499 |
| 3sealed | 916 | Fujimaki, Satoshi (1500) | Lost 1-2 | -181481 |
| 4sealed | 1048 | Takatu, Kazuhiro (1538) | Won 2-1 | +191500 |
| 5sealed | 893 | Okino, Ryuu (1653) | Lost 0-2 | -151485 |
| top | average opponent: 1526record: 2-3 | new rating: 1485 | ||