Shibuya, Yoshio
Current rating: 1420
Record: 3-8-1
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1473 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 57 | Suzuki, Kiyofumi (1499) | Lost 0-2 | -181455 |
| 2standard | 1102 | Yoshioka, Kousuke (1431) | Lost 1-2 | -181437 |
| 3standard | 1556 | Kosaka, Ryohei (1392) | Lost 0-2 | -191418 |
| 4standard | 1574 | Minobe, Shinya (1437) | Lost 0-2 | -171401 |
| 5standard | 1549 | Kawamura, Seigo (1427) | Won 2-0 | +181419 |
| 6standard | 1404 | Nakamura, Satoshi (Nerima) (1447) | Lost 1-2 | -171402 |
| 7standard | 1266 | Hikino, Masaharu (1429) | Lost 1-2 | -181384 |
| 8standard | 1077 | Kawamura, Narimitsu (1411) | Won 2-0 | +191403 |
| 9standard | 901 | Shimura, Takeshi (1393) | Won 2-1 | +171420 |
| average opponent: 1430record: 3-6 | new rating: 1420 | |||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1153 | Badlon, Richard (1639) | Draw 1-1 | +31503 |
| 2sealed | 1217 | Tasaki, Ryo (1884) | Lost 1-2 | -121491 |
| 3sealed | 1291 | Aso, Kenji (1482) | Lost 1-2 | -181473 |
| average opponent: 1668record: 0-2-1 | new rating: 1473 | |||