Kozawa, Kazuki
Current rating: 1550
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 372 | Inaba, Kousuke (1500) | Won 2-0 | +181523 |
| 2pioneer | 4 | Koike, Tomoyuki (1338) | Won 2-0 | +141537 |
| 3pioneer | 108 | Kobayashi, Kazuki (1538) | Won 2-0 | +181555 |
| 4pioneer | 34 | Mikami, Yoshirou (1771) | Lost 1-2 | -141541 |
| 5pioneer | 202 | Matsumura, Toshikazu (1597) | Lost 0-2 | -171524 |
| 6pioneer | 390 | Sakamoto, Kazuma (1592) | Won 2-1 | +191543 |
| 7pioneer | 371 | Xie, Zhan (1767) | Won 2-1 | +221565 |
| 8pioneer | 206 | Kyogoku, Kyosuke (1732) | Lost 0-2 | -151550 |
| top | average opponent: 1604record: 5-3 | new rating: 1550 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 73 | Toyoda, Ryosuke (1443) | Draw 1-1 | -21513 |
| 2standard | 386 | Ishikawa, Tetsuo (1516) | Lost 1-2 | -171496 |
| 3standard | 747 | Miyata, Yuuya (1607) | Won 2-0 | +201516 |
| 4standard | 626 | Ogawa, Masafumi (1618) | Lost 0-2 | -171499 |
| 5standard | 699 | Shimadu, Naofumi (1685) | Lost 0-2 | -141485 |
| 6standard | 682 | Soga, Yuta (1464) | Won 2-0 | +171502 |
| 7standard | 536 | Nishimura, Masaaki (1423) | Lost 0-2 | -191483 |
| 8standard | 503 | Kashima, Akihiro (1694) | Won 2-1 | +221505 |
| top | average opponent: 1556record: 3-4-1 | new rating: 1505 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 824 | Koike, Takumi (1385) | Lost 0-2 | -201480 |
| 2sealed | 933 | Hatashita, Hiroaki (1460) | Lost 1-2 | -181462 |
| 3sealed | 1152 | Kazumasa, Akihiro (1389) | Won 2-0 | +161478 |
| 4sealed | 1128 | Kiyotaki, Azusa (1444) | Won 2-0 | +181496 |
| 5sealed | 780 | Kondou, Shin (1492) | Won 2-1 | +181514 |
| 6sealed | 696 | Maruyama, Yuichiro (1645) | Lost 1-2 | -161498 |
| 7sealed | 711 | Fujikura, Akinori (1585) | Won 2-1 | +201518 |
| 8sealed | 463 | Murakami, Ayumu (1524) | Won 2-0 | +181536 |
| 9sealed | 467 | Kobayashi, Masakatsu (1379) | Lost 1-2 | -211515 |
| top | average opponent: 1478record: 5-4 | new rating: 1515 | ||