Ohsato, Tetsuya
Current rating: 1531
Record: 9-7
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 625 | Fujitani, Masahiro (1509) | Lost 1-2 | -181515 |
| 2sealed | 806 | Sasagawa, Hitoshi (1466) | Lost 0-2 | -191496 |
| 3sealed | 1029 | Nakajima, Takanori (1407) | Won 2-1 | +161512 |
| 4sealed | 1000 | Yamamoto, Takuto (1421) | Won 2-1 | +171529 |
| 5sealed | 580 | Hagiwara, Yuichi (1516) | Won 2-0 | +171546 |
| 6sealed | 506 | Hoshi, Masaru (1407) | Won 2-1 | +161562 |
| 7sealed | 233 | Ishikawa, Fumiaki (1718) | Lost 0-2 | -151547 |
| 8sealed | 420 | Wang, Shensheng (1652) | Lost 1-2 | -161531 |
| average opponent: 1512record: 4-4 | new rating: 1531 | |||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 729 | Nagata, Yusuke (1450) | Lost 1-2 | -191481 |
| 2modern | 705 | Robertson, Chris (1614) | Won 2-1 | +211502 |
| 3modern | 1021 | Qiu, Qidi (1382) | Won 2-0 | +151517 |
| 4modern | 350 | Chow, Boon Hung (1536) | Lost 0-2 | -171500 |
| 5modern | 782 | Ushida, Chihiro (1451) | Lost 1-2 | -191481 |
| 6modern | 769 | Yoshida, Shuhei (1521) | Won 2-1 | +191500 |
| 7modern | 640 | Nishi, Daichi (1482) | Won 2-1 | +171517 |
| 8modern | 416 | Akimoto, Syouta (1412) | Won 2-0 | +161533 |
| average opponent: 1481record: 5-3 | new rating: 1533 | |||