Yamamoto, Kento8269
Current rating: 1494
Record: 6-6
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1530 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 460 | Funami, Syun (1483) | Lost 0-2 | -191511 |
| 2standard | 830 | Yosano, Kiyoshi (1482) | Won 2-0 | +181529 |
| 3standard | 666 | Yamamoto, Takahiro (1678) | Lost 0-2 | -151514 |
| 4standard | 822 | Tsuchiya, Yoshihiro (1424) | Lost 0-2 | -201494 |
| average opponent: 1517record: 1-3 | new rating: 1494 | |||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 620 | Okayama, Hironori (1343) | Won 2-1 | +151515 |
| 2sealed | 52 | Nakajou, Naoto (1482) | Won 2-0 | +181533 |
| 3sealed | 519 | Yanagidate, Ikumi (1587) | Won 2-1 | +191552 |
| 4sealed | 168 | Mimura, Haruki (1620) | Lost 0-2 | -171535 |
| 5sealed | 493 | Tsuchiya, Yoshihiro (1378) | Lost 1-2 | -211514 |
| 6sealed | 352 | Suzuki, Nobuya5760 (1550) | Won 2-0 | +191533 |
| 7sealed | 407 | Saitou, Daisuke (1406) | Won 2-0 | +151548 |
| 8sealed | 188 | Nishimura, Takashi5362 (1542) | Lost 0-2 | -181530 |
| average opponent: 1489record: 5-3 | new rating: 1530 | |||