Okunaka, Takakazu
Current rating: 1363
Record: 1-9-1
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 192 | Yamashita, Masashi (1455) | Lost 0-2 | -181431 |
| 2pioneer | 405 | Bai, Yuhan (1450) | Lost 0-2 | -181413 |
| 3pioneer | 733 | Takahashi, Kazuto (1504) | Lost 0-2 | -161397 |
| 4pioneer | 770 | Kawahara, Taku (1280) | Won 1-0 | +161413 |
| 5pioneer | 717 | Kiyonaga, Sho (1522) | Lost 0-2 | -161397 |
| 6pioneer | 645 | Hasegawa, Kay (1553) | Lost 0-2 | -151382 |
| 7pioneer | 539 | Suzuki, Takuya 1104 (1392) | Lost 0-2 | -181364 |
| 8pioneer | 444 | Yasuda, Keita (1306) | Draw 1-1 | -11363 |
| average opponent: 1433record: 1-6-1 | new rating: 1363 | |||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 412 | Kimura, Tatsuhiro (1480) | Lost 0-2 | -181482 |
| 2standard | 407 | Sato, Takatoshi (1759) | Lost 0-2 | -131469 |
| 3standard | 771 | Taki, Mayumi (1372) | Lost 0-2 | -201449 |
| average opponent: 1537record: 0-3 | new rating: 1449 | |||