Ozawa, Yoshimasa
Current rating: 1541
Record: 18-15-2
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1584 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 480 | Kakinokida, Takuhito (1569) | Lost 1-2 | -181566 |
| 2standard | 793 | Sakuragi, Kenta (1438) | Won 2-0 | +161582 |
| 3standard | 911 | Kitagawa, Hiroaki (1495) | Won 2-1 | +161598 |
| 4standard | 457 | Washimi, Kazuo (1691) | Won 2-1 | +201618 |
| 5standard | 432 | Minagawa, Sho (1572) | Lost 1-2 | -191599 |
| 6standard | 506 | Jinbo, Takashi (1487) | Lost 1-2 | -201579 |
| 7standard | 719 | Katayama, Chiharu (1513) | Lost 0-2 | -191560 |
| 8standard | 650 | Kaihara, Shunsuke (1493) | Lost 0-2 | -191541 |
| top | average opponent: 1532record: 3-5 | new rating: 1541 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1577 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 78 | Imamura, Norihide (1449) | Won 2-0 | +161593 |
| 2standard | 532 | Kan, Kensei (1464) | Lost 1-2 | -201573 |
| 3standard | 968 | Sasaki, Yusuke 1421 (1588) | Lost 0-2 | -181555 |
| 4standard | 1120 | Asada, Takashi (1483) | Won 2-1 | +171572 |
| 5standard | 696 | Ohkawa, Yusuke (1550) | Won 2-1 | +171589 |
| 6standard | 777 | Sugimoto, Yuta (1520) | Won 2-0 | +171606 |
| 7standard | 505 | Mizutani, Yuki (1487) | Won 2-1 | +161622 |
| 8standard | 205 | Sakuma, Toshimitsu (1596) | Lost 0-2 | -181604 |
| 9standard | 329 | Takaya, Syouichi (1542) | Lost 1-2 | -201584 |
| top | average opponent: 1520record: 5-4 | new rating: 1584 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 89 | Ishii, Ryouta (1426) | Won 2-1 | +171519 |
| 2sealed | 296 | Mastui, Hayato (1519) | Won 2-0 | +181537 |
| 3sealed | 169 | Yashiro, Kazuki (1571) | Won 2-1 | +191556 |
| 4sealed | 96 | Nakamatu, Hirohumi (1459) | Won 2-1 | +161572 |
| 5sealed | 2 | Ootani, Masashi (1473) | Lost 0-2 | -201552 |
| 6sealed | 152 | Aryabhima, Rahman (1735) | Draw 1-1 | +31555 |
| 7sealed | 99 | Sato, Junichi (1551) | Won 2-0 | +181573 |
| 8sealed | 57 | Tezuka, Yo (1744) | Won 2-1 | +211594 |
| 9sealed | 32 | Abe, Yuya (1656) | Lost 1-2 | -171577 |
| top | average opponent: 1570record: 6-2-1 | new rating: 1577 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 223 | Kuno, Takashi (1504) | Won 2-1 | +181518 |
| 2sealed | 176 | Yamamoto, Yuusuke7856 (1518) | Lost 0-1 | -181500 |
| 3sealed | 321 | Imai, Satoshi (1642) | Lost 0-2 | -151485 |
| 4sealed | 380 | Nakamura, Junpei (1449) | Lost 1-2 | -191466 |
| 5sealed | 433 | Arai, Yoshimi (1438) | Draw 1-1 | 01466 |
| 6sealed | 355 | Tachibana, Emu (1464) | Won 2-0 | +171483 |
| 7sealed | 277 | Choi, Young-Il (1519) | Won 2-1 | +191502 |
| 8sealed | 213 | Kobayashi, Takuto (1579) | Won 2-0 | +201522 |
| 9sealed | 151 | Nakayama, Satomi (1462) | Lost 0-2 | -201502 |
| top | average opponent: 1508record: 4-4-1 | new rating: 1502 | ||