Yamukai, Shintaro
Current rating: 1462
Record: 4-6
| Grand Prix Yokohama 2019 (modern) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 176 | Hirose, Daichi (1407) | Lost 1-2 | -201445 |
| 2modern | 737 | Ono, Takuya (1453) | Lost 1-2 | -171428 |
| 3modern | 1145 | Negishi, Atsuya (1425) | Lost 1-2 | -181410 |
| 4modern | 1164 | Adachi, Hiroaki (1423) | Won 2-1 | +181428 |
| 5modern | 1000 | Takanohashi, Tatsuya (1383) | Won 2-0 | +171445 |
| 6modern | 884 | Saito, Akihito (1416) | Won 2-1 | +171462 |
| average opponent: 1418record: 3-3 | new rating: 1462 | |||
| Grand Prix Kobe 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 522 | Lin, Cheng How (1500) | Lost 0-2 | -181482 |
| 4modern | 458 | Taniguchi, Hironobu (1506) | Lost 1-2 | -181464 |
| 5modern | 978 | Taiya, Kohama (1500) | Won 2-1 | +191483 |
| 6modern | 684 | Onishi, Ryosuke (1452) | Lost 1-2 | -181465 |
| average opponent: 1489record: 1-3 | new rating: 1465 | |||