Obata, Kentaro
Current rating: 1412
Record: 5-10-2
| Grand Prix Yokohama 2019 (modern) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 235 | Senbokuya, Hikaru (1485) | Won 2-0 | +191466 |
| 2modern | 6 | Sano, Takumi (1413) | Won 2-0 | +171483 |
| 3modern | 460 | Yanagihara, Ryuto (1374) | Draw 1-1 | -21481 |
| 4modern | 288 | Katagiri, Shinichi (1696) | Lost 1-2 | -141467 |
| 5modern | 541 | Sonoda, Kenichi (1338) | Draw 1-1 | -31464 |
| 6modern | 725 | Takezawa, Kyohei (1511) | Lost 1-2 | -171447 |
| 7modern | 729 | Matsuda, Shohei (1428) | Lost 0-2 | -181429 |
| 8modern | 663 | Yashiro, Daisuke (1474) | Lost 0-2 | -171412 |
| average opponent: 1465record: 2-4-2 | new rating: 1412 | |||
| Grand Prix Kobe 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 699 | Wakita, Daiki (1517) | Won 2-1 | +181518 |
| 2modern | 523 | Kajita, Yuuki (1556) | Lost 0-2 | -171501 |
| 3modern | 814 | Hikokubo, Shota (1505) | Lost 1-2 | -181483 |
| 4modern | 1024 | Maruyama, Takamasa (1428) | Lost 0-2 | -191464 |
| 5modern | 1253 | Mori, Akihiro (1470) | Lost 1-2 | -181446 |
| 6modern | 1191 | Ueda, Kazuki (1514) | Lost 1-2 | -171429 |
| 7modern | 1091 | Niwa, Hiroki (1428) | Won 2-0 | +181447 |
| 8modern | 951 | Ichinose, Yuki (1450) | Won 2-1 | +181465 |
| 9modern | 799 | Mita, Hiroki (1448) | Lost 1-2 | -181447 |
| average opponent: 1480record: 3-6 | new rating: 1447 | |||