Yamao, Tsuyoshi
Current rating: 1497
Record: 4-4
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 268 | Kazuki, Rika (1249) | Lost 1-2 | -221478 |
| 2sealed | 774 | Yamaguchi, Naohiro (1348) | Lost 0-2 | -211457 |
| 3sealed | 1096 | Peng, Jianjia (1647) | Won 2-0 | +221479 |
| 4sealed | 834 | Koike, Tomoyuki (1373) | Won 2-0 | +161495 |
| 5sealed | 609 | Yoshikawa, Hidenobu (1630) | Won 2-0 | +201515 |
| 6sealed | 563 | Tsumurai, Yuito (1507) | Won 2-1 | +181533 |
| 7sealed | 372 | Matsuzaki, Kazuhisa (1514) | Lost 0-2 | -181515 |
| 8sealed | 361 | Inoue, Masaya (1509) | Lost 0-2 | -181497 |
| average opponent: 1472record: 4-4 | new rating: 1497 | |||