Irei, Kazuo
Current rating: 1426
Record: 2-6
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 457 | Tanaka, Michiyasu (1438) | Lost 1-2 | -191481 |
| 2legacy | 533 | Suzuki, Masahide (1428) | Lost 0-2 | -191462 |
| 3legacy | 681 | Takahashi, Haruki (1416) | Lost 0-2 | -191443 |
| 4legacy | 644 | Kano, Tomohiko (1447) | Won 2-1 | +181461 |
| 5legacy | 553 | Nakamura, Takafumi (1468) | Won 2-0 | +181479 |
| 6legacy | 434 | Nishio, Akihiro (1481) | Lost 0-2 | -181461 |
| 7legacy | 480 | Tanaka, Sho (1464) | Lost 0-2 | -181443 |
| 8legacy | 426 | Takagishi, Hidefumi (1466) | Lost 1-2 | -171426 |
| average opponent: 1451record: 2-6 | new rating: 1426 | |||