Ishiguro, Yasunao
Current rating: 1401
Record: 13-19-2
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 426 | Miyao, Kento (1500) | Won 2-1 | +191450 |
| 2pioneer | 329 | Tamiya, Hiroki (1545) | Lost 0-2 | -161434 |
| 3pioneer | 592 | Tse, Cloudy (1470) | Lost 1-2 | -181416 |
| 4pioneer | 722 | Shirahata, Gen (1587) | Lost 0-2 | -151401 |
| top | average opponent: 1526record: 1-3 | new rating: 1401 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1407 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 83 | Ohara, Kota (1500) | Draw 1-1 | +21409 |
| 2standard | 507 | Sakuma, Urara (1500) | Won 2-1 | +191428 |
| 3standard | 488 | Shishibori, Kohei (1493) | Won 2-1 | +191447 |
| 4standard | 251 | Takeda, Ryosuke (1446) | Won 2-1 | +181465 |
| 5standard | 125 | Tezuka, Takatomo (1481) | Lost 1-2 | -171448 |
| 6standard | 300 | Yasuda, Kanji (1495) | Lost 0-2 | -171431 |
| top | average opponent: 1486record: 3-2-1 | new rating: 1431 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1459 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 716 | Ishikawa, Shigeru (1482) | Draw 1-1 | 01459 |
| 2standard | 665 | Igagami, Hiroyuki (1481) | Lost 1-2 | -171442 |
| 3standard | 994 | Huang, Erxuan (1517) | Won 2-1 | +191461 |
| 4standard | 807 | Hashimoto, Osamu (1502) | Won 2-0 | +191480 |
| 5standard | 598 | Danjo, Hiroyuki (1479) | Lost 1-2 | -181462 |
| 6standard | 752 | Toshida, Shin'ichi (1389) | Lost 0-2 | -201442 |
| 7standard | 742 | Makoto, Mituduka (1474) | Lost 1-2 | -171425 |
| 8standard | 711 | Suzuki, Shutaro (1418) | Lost 0-2 | -181407 |
| top | average opponent: 1468record: 2-5-1 | new rating: 1407 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 512 | Nomura, Masahiro (1623) | Lost 0-2 | -161505 |
| 2sealed | 819 | Yoshimura, Motoki (1077) | Won 2-0 | +111516 |
| 3sealed | 578 | Hirooka, Toshiki (1438) | Lost 0-2 | -201496 |
| 4sealed | 937 | Tsutsumi, Takuya (1444) | Lost 1-2 | -191477 |
| 5sealed | 979 | Yasuda, Kanji (1461) | Lost 1-2 | -181459 |
| top | average opponent: 1408record: 1-4 | new rating: 1459 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 695 | Tanaka, Takashi (1500) | Lost 0-2 | -191521 |
| top | record: 0-1 | new rating: 1521 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 262 | Hattori, Takesi (1526) | Lost 1-2 | -171465 |
| 2sealed | 302 | Mori, Tatsuki (1443) | Won 2-1 | +171482 |
| 3sealed | 367 | Hirata, Masanari (1501) | Won 2-0 | +191501 |
| 4sealed | 226 | Inoue, Masayuki (1462) | Won 2-0 | +171518 |
| 5sealed | 118 | Matsumura, Toshikazu (1578) | Won 2-0 | +191537 |
| 6sealed | 44 | Tanaka, Shinichi (1513) | Lost 0-2 | -181519 |
| 7sealed | 203 | Suzuki, Yuuji (1623) | Won 2-0 | +191538 |
| 8sealed | 93 | Mori, Syuuichi (1440) | Won 2-1 | +171555 |
| 9sealed | 40 | Sato, Keisuke (1727) | Lost 0-2 | -151540 |
| top | average opponent: 1535record: 6-3 | new rating: 1540 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 389 | Morii, Hiroyuki (1490) | Lost 0-2 | -181482 |
| top | record: 0-1 | new rating: 1482 | ||