Ataka, Kazuma
Current rating: 1531
Record: 9-7
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 85 | Koyanagi, Akio (1346) | Won 2-0 | +141552 |
| 2standard | 80 | Nakano, Satoshi (1402) | Lost 1-2 | -211531 |
| 3standard | 557 | Kashiwagi, Ryohei (1726) | Lost 1-2 | -141517 |
| 4standard | 693 | Igarashi, Masaki (1364) | Won 2-0 | +151532 |
| 5standard | 681 | Kato, Hiromu (1339) | Won 2-0 | +151547 |
| 6standard | 517 | Kawai, Riku (1519) | Won 2-1 | +171564 |
| 7standard | 216 | Baba, Yukihiro (1662) | Lost 1-2 | -161548 |
| 8standard | 378 | Liu, Xuan (1613) | Lost 1-2 | -171531 |
| average opponent: 1496record: 4-4 | new rating: 1531 | |||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 523 | Ikeda, Toshihisa (1507) | Won 2-0 | +181518 |
| 2standard | 212 | Ogyu, Yoshiyuki (1403) | Won 2-1 | +161534 |
| 3standard | 317 | Mimido, Ryuji (1524) | Won 2-0 | +181552 |
| 4standard | 248 | Ishihara, Koji (1598) | Won 2-0 | +191571 |
| 5standard | 68 | Xie, Zhan (1774) | Lost 1-2 | -151556 |
| 6standard | 166 | Sakaguchi, Takuya (1521) | Lost 1-2 | -181538 |
| 7standard | 344 | Inoue, Masashi (1521) | Lost 1-2 | -191519 |
| 8standard | 379 | Saito, Iori (1526) | Won 2-1 | +191538 |
| average opponent: 1547record: 5-3 | new rating: 1538 | |||