Tatsuya, Sunaga
Current rating: 1581
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1612 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 674 | Saito, Eisuke (1432) | Lost 0-2 | -211591 |
| 2standard | 857 | Miura, Daichi (1473) | Won 2-0 | +161607 |
| 3standard | 649 | Tanabe, Masatoshi (1460) | Won 2-0 | +151622 |
| 4standard | 473 | Konagai, Ryota (1514) | Lost 0-2 | -201602 |
| 5standard | 665 | Tamamura, Hideya (1425) | Lost 1-2 | -211581 |
| top | average opponent: 1461record: 2-3 | new rating: 1581 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 382 | Morishita, Yoshihisa (1438) | Lost 0-2 | -191462 |
| 2standard | 768 | Kawashima, Fumihiro (1245) | Won 2-0 | +141476 |
| 3standard | 862 | Hayashi, Yukari (1431) | Won 2-0 | +171493 |
| 4standard | 587 | Shinohara, Yuusaku (1488) | Won 2-0 | +181511 |
| 5standard | 502 | Sasaki, Shimon (1505) | Won 2-0 | +181529 |
| 6standard | 146 | Inoguchi, Hironobu (1592) | Won 2-1 | +191548 |
| 7standard | 57 | Taniguchi, Yuki (1503) | Won 2-1 | +181566 |
| 8standard | 45 | Kadekari, Takashi (1556) | Won 2-1 | +171583 |
| 9standard | 51 | Uchida, Kensuke (1600) | Won 2-0 | +191602 |
| 10standard | 15 | Oomori, Yasutomo (1680) | Won 2-1 | +191621 |
| 11standard | 22 | Higuchi, Makoto (1779) | Lost 1-2 | -151606 |
| 12standard | 39 | Yokoyama, Shohei (1638) | Lost 0-2 | -171589 |
| 13standard | 71 | Saitou, Yuusuke (1598) | Won 2-1 | +181607 |
| 14standard | 56 | Hirami, Tomonori (1953) | Lost 0-2 | -121595 |
| 15standard | 104 | Sasaki, Shin (1557) | Won 2-0 | +171612 |
| top | average opponent: 1571record: 11-4 | new rating: 1612 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 732 | Kinoshita, Yuhei (1500) | Lost 0-2 | -181482 |
| 2standard | 1216 | Ohtsuki, Shinya (1412) | Won 2-0 | +171499 |
| 3standard | 832 | Nishida, Masashi (1478) | Lost 1-2 | -191480 |
| 4standard | 1307 | Ohshiba, Atsushi (1448) | Won 2-1 | +181498 |
| 5standard | 1031 | Yamashita, Yosuke (1500) | Lost 0-2 | -181480 |
| 6standard | 1187 | Shinagawa, Kazunari (1545) | Won 2-1 | +191499 |
| 7standard | 847 | Suda, Mitsuharu (1499) | Lost 0-2 | -181481 |
| top | average opponent: 1483record: 3-4 | new rating: 1481 | ||