Ishifuro, Yuichi
Current rating: 1416
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 382 | Goodo, Toshiyuki (1450) | Won 2-0 | +181468 |
| 2sealed | 149 | Hisano, Mikita (1377) | Lost 1-2 | -191449 |
| 3sealed | 994 | Iwaide, Yoshitaka (1527) | Lost 1-2 | -171432 |
| 4sealed | 866 | Otsuka, Yohei (1513) | Lost 1-2 | -161416 |
| top | average opponent: 1467record: 1-3 | new rating: 1416 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1441 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 310 | Fujimoto, Kenta (1569) | Won 2-1 | +211462 |
| 2legacy | 188 | Tabata, Yuusuke (1701) | Lost 1-2 | -141448 |
| 3legacy | 269 | Osako, Masaki (1496) | Won 2-0 | +191467 |
| 4legacy | 235 | Daigo, Toshimune (1448) | Won 2-0 | +181485 |
| 5legacy | 80 | Usiro, Naoki (1529) | Lost 1-2 | -181467 |
| 6legacy | 260 | Ogawa, Toshiyuki (1517) | Lost 0-2 | -171450 |
| top | average opponent: 1543record: 3-3 | new rating: 1450 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 143 | Uchida, Yuki (1561) | Lost 0-2 | -171483 |
| 2standard | 372 | Ihara, Akihiro (1421) | Lost 0-2 | -191464 |
| 3standard | 505 | Ishii, Kazuki (1466) | Won 2-0 | +181482 |
| 4standard | 485 | Sakai, Toshinori (1531) | Lost 1-2 | -171465 |
| 5standard | 492 | Naitou, Yuuya (1466) | Won 2-1 | +181483 |
| 6standard | 432 | Komikado, Hayato (1487) | Lost 1-2 | -181465 |
| 7standard | 397 | Ikeda, Naoto (1252) | Won 2-0 | +141479 |
| 8standard | 317 | Ambrose, Keith (1447) | Lost 1-2 | -181461 |
| 9standard | 291 | Ono, Koutarou (1399) | Lost 1-2 | -201441 |
| top | average opponent: 1448record: 3-6 | new rating: 1441 | ||