Ooboshi, Katsunori
Current rating: 1476
Record: 3-4
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 185 | Yokoide, Yuuta (1358) | Lost 1-2 | -211479 |
| 2pioneer | 581 | Ihara, Akihiro (1313) | Lost 0-2 | -211458 |
| 3pioneer | 811 | Yasuda, Keita (1350) | Won 2-0 | +161474 |
| 4pioneer | 682 | Kahata, Issei (1402) | Won 2-0 | +171491 |
| 5pioneer | 518 | Hoshino, Shota (1507) | Lost 1-2 | -181473 |
| 6pioneer | 599 | Yokoyama, Dylan (1488) | Won 2-0 | +191492 |
| 7pioneer | 399 | Sugimura, Yoshiyasu (1639) | Lost 0-2 | -161476 |
| average opponent: 1437record: 3-4 | new rating: 1476 | |||