Ishiguro, Yohei0965
Current rating: 1450
Record: 4-7
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 350 | Sakae, Shota (1500) | Lost 1-2 | -171470 |
| 2sealed | 813 | Nishio, Masato (1397) | Won 2-1 | +161486 |
| 3sealed | 699 | Ando, Takuya (1503) | Lost 0-2 | -171469 |
| 4sealed | 880 | Takawashi, Kenji (1456) | Lost 1-2 | -191450 |
| average opponent: 1464record: 1-3 | new rating: 1450 | |||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 642 | Kurahashi, Hironori (1563) | Won 2-1 | +191519 |
| 2standard | 385 | Kato, Satoshi (1632) | Lost 1-2 | -161503 |
| 3standard | 869 | Nakaso, Kouji (1552) | Won 2-1 | +191522 |
| 4standard | 708 | Wang, Jianian (1483) | Lost 1-2 | -191503 |
| 5standard | 709 | Higaki, Motohide (1567) | Won 2-0 | +201523 |
| 6standard | 677 | Narita, Kazushige (1514) | Lost 0-2 | -191504 |
| 7standard | 698 | Yamaji, Shunichi (1558) | Lost 0-2 | -171487 |
| average opponent: 1552record: 3-4 | new rating: 1487 | |||