Matsuzaki, Akira
Current rating: 1529
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 6 | Morotome, Ken (1749) | Won 2-1 | +211569 |
| 2sealed | 431 | Kato, Akinobu (1534) | Lost 0-2 | -181551 |
| 3sealed | 880 | Tajima, Keiichi (1503) | Lost 1-2 | -191532 |
| 4sealed | 939 | Kinugasa, Satoshi (1761) | Won 2-1 | +221554 |
| 5sealed | 545 | Kusakabe, Yu (1493) | Lost 1-2 | -191535 |
| 6sealed | 770 | Nagase, Hirofumi (1323) | Lost 0-2 | -221513 |
| 7sealed | 630 | Iwamoto, Takeshi (1428) | Won 2-1 | +161529 |
| top | average opponent: 1542record: 3-4 | new rating: 1529 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 672 | Honjou, Daiki (1500) | Won 2-0 | +171565 |
| 2sealed | 167 | Nakata, Yuusaku (1696) | Lost 1-2 | -161549 |
| 3sealed | 549 | Tanaka, Jun'ichi (1566) | Won 2-0 | +181567 |
| 4sealed | 623 | Yasunaka, Shinichi (1511) | Lost 1-2 | -191548 |
| 5sealed | 867 | Iwatsuki, Takanori (1503) | Lost 0-2 | -181530 |
| 6sealed | 836 | Yoshida, Masafumi (1526) | Won 2-0 | +181548 |
| top | average opponent: 1550record: 3-3 | new rating: 1548 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 608 | Deng, Yunan (1503) | Lost 0-2 | -181482 |
| 2standard | 1181 | Takumi, Saiki (1481) | Lost 1-2 | -181464 |
| 3standard | 1588 | Sakai, Masaru (1463) | Won 2-0 | +181482 |
| 4standard | 1241 | Yamane, Yoshiyuki (1518) | Won 2-0 | +191501 |
| 5standard | 1022 | Hisamoto, Takashi (1519) | Won 2-0 | +181519 |
| 6standard | 580 | Fukuda, Tetsuya (1515) | Won 2-1 | +181537 |
| 7standard | 523 | Suzuki, Junpei (1574) | Won 2-1 | +191556 |
| 8standard | 354 | Omori, Ken'ichirou (1856) | Won 2-0 | +231579 |
| 9standard | 291 | Hayakawa, Naoki (1576) | Lost 0-2 | -181561 |
| 10standard | 276 | Fukushi, Kentarou (1560) | Won 2-0 | +181579 |
| 11standard | 220 | Tsujikawa, Taiga (1745) | Lost 0-2 | -151564 |
| 12standard | 254 | Kudou, Kazuki (1619) | Won 2-1 | +191583 |
| 13standard | 196 | Sato, Koji (1524) | Lost 1-2 | -191564 |
| 14standard | 238 | Fujii, Dai (1665) | Lost 1-2 | -161548 |
| top | average opponent: 1580record: 8-6 | new rating: 1548 | ||