Ishigaki, Shogo
Current rating: 1444
Record: 12-17
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 550 | Oohashi, Toshiya (1670) | Lost 1-2 | -151461 |
| 2sealed | 709 | Murata, Dai (1484) | Lost 0-2 | -171444 |
| 3sealed | 1073 | Kagami, Chisei (1464) | Won 2-1 | +181462 |
| 4sealed | 945 | Ohmori, Yoshitsugu (1455) | Lost 0-2 | -181444 |
| top | average opponent: 1518record: 1-3 | new rating: 1444 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 735 | Nagasawa, Kensuke (1570) | Lost 0-2 | -171487 |
| 2sealed | 970 | Shiota, Fumihiko (1844) | Lost 0-2 | -111476 |
| 3sealed | 1097 | Itaya, Tomohisa (1466) | Won 2-1 | +171493 |
| 4sealed | 1074 | Takaki, Kengo (1501) | Lost 0-2 | -171476 |
| top | average opponent: 1595record: 1-3 | new rating: 1476 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 41 | Nonaka, Shouhei (1422) | Won 2-0 | +171478 |
| 2sealed | 20 | Hamaguchi, Masakuni (1698) | Won 2-1 | +221500 |
| 3sealed | 157 | Takao, Shota (1829) | Lost 0-2 | -121488 |
| 4sealed | 521 | Canonico, Davide (1656) | Lost 0-2 | -151473 |
| 5sealed | 845 | Aryabhima, Rahman (1731) | Won 2-0 | +221495 |
| 6sealed | 667 | Inoue, Kota (1438) | Won 2-0 | +171512 |
| 7sealed | 233 | Suematsu, Takaaki (1973) | Lost 0-2 | -101502 |
| 8sealed | 478 | Kondo, Go (1451) | Won 2-1 | +171519 |
| 9sealed | 296 | Iwazaki, Yuuta (1690) | Lost 0-2 | -151504 |
| top | average opponent: 1654record: 5-4 | new rating: 1504 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 268 | Yoshii, Takumi (1500) | Lost 1-2 | -181483 |
| 2sealed | 646 | Isoda, Yusuke (1328) | Lost 1-2 | -211462 |
| 3sealed | 1127 | Miyagai, Kyosuke (1420) | Won 2-0 | +171479 |
| 4sealed | 1025 | Itou, Tsubasa (1497) | Won 2-0 | +181497 |
| 5sealed | 792 | Steele, Raymond (1449) | Lost 0-2 | -181479 |
| 6sealed | 818 | Hidaka, Takuya (1479) | Lost 0-2 | -181461 |
| top | average opponent: 1445record: 2-4 | new rating: 1461 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1018 | Wakayama, Shiro (1654) | Lost 0-2 | -151485 |
| 2sealed | 1246 | Miura, Naoyasu (1508) | Won 2-0 | +181503 |
| 3sealed | 1235 | Togashi, Atsuya (1500) | Won 2-0 | +181521 |
| 4sealed | 948 | Yokoyama, Kenichi (1489) | Lost 1-2 | -181503 |
| 5sealed | 1184 | Amano, Seiichi (1423) | Won 2-0 | +161519 |
| 6sealed | 1075 | Nakamura, Kousuke (1498) | Lost 0-2 | -181501 |
| top | average opponent: 1512record: 3-3 | new rating: 1501 | ||