Matushita, Masakazu
Current rating: 1467
Record: 31-36-2
Grand Prix Hiroshima 2003Grand Prix Yokohama 2003Grand Prix Shizuoka 2003Grand Prix Sendai 2004Grand Prix Niigata 2005Grand Prix Shizuoka 2008Grand Prix Kitakyushu 2009Grand Prix Kobe 2012Grand Prix Nagoya 2014Grand Prix Shizuoka 2015Grand Prix Kyoto 2015Grand Prix Chiba 2015Grand Prix Kobe 2015Grand Prix Nagoya 2016
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 219 | Tokumine, Makoto (1500) | Won 2-0 | +191465 |
| 2sealed | 576 | Ishisaka, Hajime (1518) | Won 2-0 | +191484 |
| 3sealed | 179 | Huteson, Tom (1748) | Won 2-1 | +221506 |
| 4sealed | 271 | Innes-Taylor, Ian (1511) | Lost 0-2 | -181488 |
| 5sealed | 483 | Hino, Yoshiaki (1813) | Lost 1-2 | -121476 |
| 6sealed | 442 | Hayashi, Shinsuke (1895) | Won 2-0 | +251501 |
| 7sealed | 480 | Yamamoto, Shohei (1783) | Lost 1-2 | -131488 |
| 8sealed | 642 | Kozaki, Yosuke (1611) | Won 2-0 | +211509 |
| 9sealed | 494 | Nose, Koji (1896) | Won 2-0 | +241533 |
| 10draft | 294 | Arita, Koichi (1774) | Lost 1-2 | -131520 |
| 11draft | 350 | Oshikawa, Akira (1641) | Lost 0-2 | -161504 |
| 12draft | 361 | Marx, Christian (1360) | Lost 0-2 | -211483 |
| 13draft | 90 | Lee, Hung (1586) | Lost 0-2 | -161467 |
| top | average opponent: 1664record: 6-7 | new rating: 1467 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 214 | Shiotani, Keiichiro (1500) | Lost 0-2 | -171426 |
| 2standard | 850 | Yonezawa, Seizi (1436) | Draw 1-1 | 01426 |
| 3standard | 1046 | Nakatsu, Yoshihito (1480) | Won 2-0 | +191445 |
| 4standard | 854 | Kamada, Yuuki (1428) | Won 2-0 | +181463 |
| 5standard | 563 | Tanimoto, Haruka (1515) | Lost 0-2 | -171446 |
| top | average opponent: 1472record: 2-2-1 | new rating: 1446 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 407 | Kimura, Yuu1332 (1500) | Won 2-0 | +191473 |
| 2sealed | 61 | Inoue, Hiroyuki0875 (1520) | Lost 1-2 | -171456 |
| 3sealed | 494 | Siew, Han Liang (1729) | Lost 0-2 | -131443 |
| top | average opponent: 1583record: 1-2 | new rating: 1443 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 575 | Iwase, Hirokazu (1446) | Lost 0-2 | -191470 |
| 2legacy | 825 | Tsukamoto, Tatsushi (1601) | Lost 1-2 | -151455 |
| 3legacy | 975 | Muranishi, Fumiya (1449) | Won 2-0 | +181473 |
| 4legacy | 931 | Takashima, Mao (1457) | Lost 1-2 | -191454 |
| top | average opponent: 1488record: 1-3 | new rating: 1454 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 602 | Sakou, Yuuta (1500) | Lost 1-2 | -181489 |
| top | record: 0-1 | new rating: 1489 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 614 | Fujita, Toshitake (1480) | Won 2-0 | +171522 |
| 2sealed | 552 | Haraguchi Fernando, Be (1518) | Lost 1-2 | -181504 |
| 3sealed | 713 | Date, Norikuni (1594) | Won 2-0 | +201524 |
| 4sealed | 653 | Kobayashi, Hiroaki (1428) | Won 2-0 | +161540 |
| 5sealed | 609 | Koshiba, Norihiko (1570) | Lost 1-2 | -171523 |
| 6sealed | 684 | Mii, Masayuki (1665) | Lost 1-2 | -161507 |
| top | average opponent: 1543record: 3-3 | new rating: 1507 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 25 | Samiso, Yutaka (1498) | Lost 0-2 | -181505 |
| top | record: 0-1 | new rating: 1505 | ||
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 35 | Marcik, Michal (1739) | Lost 0-2 | -141501 |
| 2sealed | 190 | Takeda, Shinya (1433) | Won 2-1 | +161517 |
| 3sealed | 110 | Tanaka, Atsushi (1644) | Won 2-0 | +211538 |
| 4sealed | 69 | Nonaka, Kentarou (1736) | Lost 0-2 | -151523 |
| top | average opponent: 1638record: 2-2 | new rating: 1523 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 113 | Kouno, Naohiro (1500) | Lost 0-2 | -191535 |
| 2standard | 283 | Sawada, Ken (1461) | Lost 1-2 | -191516 |
| 3standard | 327 | Yuno, Yoshiaki (1466) | Won 2-1 | +171533 |
| 4standard | 278 | Oikawa, Mutsuki (1511) | Lost 0-2 | -181515 |
| top | average opponent: 1484record: 1-3 | new rating: 1515 | ||
| Grand Prix Niigata 2005 (Kamigawa block) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 60 | Yamazaki, Yuki (1589) | Lost 1-2 | -171543 |
| 2block | 154 | Miyasaka, Takeshi (1493) | Lost 0-2 | -191524 |
| 3block | 179 | Yoshino, Takeaki (1461) | Won 2-0 | +171541 |
| 4block | 167 | Yamazaki, Hiroyuki (1513) | Lost 0-2 | -191522 |
| 5block | 198 | Arai, Yasuhiko (1462) | Lost 0-2 | -191503 |
| 6block | 177 | Oya, Shingo (1448) | Won 2-0 | +171520 |
| 7block | 147 | Hirayama, Susumu (1479) | Won 2-0 | +171537 |
| 8block | 120 | Shindo, Yoshiya (1476) | Won 2-1 | +171554 |
| top | average opponent: 1490record: 4-4 | new rating: 1554 | ||
| Grand Prix Sendai 2004 (DST limited) | starting rating: 1565 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 35 | Yamano, Tatsuto (1427) | Won 2-0 | +151580 |
| 3sealed | 16 | Yamashita, Hiroki (1472) | Lost 0-2 | -201560 |
| top | average opponent: 1449record: 1-1 | new rating: 1560 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 221 | Kise, Masato (1692) | Lost 0-2 | -141474 |
| 2sealed | 255 | Tsuchita, Taketora (1482) | Won 2-0 | +181492 |
| 3sealed | 116 | Hioki, Keisuke (1503) | Lost 0-2 | -181474 |
| 4sealed | 251 | Ogiyama, Shuuji (1505) | Won 2-0 | +191493 |
| 5sealed | 143 | Ooura, Shotaro (1500) | Won 2-0 | +181511 |
| 6sealed | 134 | Nishino, Kouichi (1544) | Won 2-0 | +181529 |
| 7sealed | 102 | Shima, Junichirou (1518) | Won 2-0 | +181547 |
| 8sealed | 75 | Kuge, Takuro (1522) | Won 2-0 | +181565 |
| top | average opponent: 1533record: 6-2 | new rating: 1565 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 50 | Suzuki, Yuichi (1488) | Won 2-0 | +191482 |
| 3block | 46 | Yamazaki, Shun (1549) | Lost 0-2 | -171465 |
| 4block | 100 | Nakajima, Mikihito (1519) | Won 2-0 | +191484 |
| 5block | 71 | Osawa, Takuya (1641) | Won 2-0 | +211505 |
| 6block | 39 | Fujioka, Kazuki (1472) | Draw 1-1 | -11504 |
| 7block | 69 | Suzuki, Yuuji (1610) | Lost 0-2 | -161488 |
| top | average opponent: 1547record: 3-2-1 | new rating: 1488 | ||
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 71 | Ito, Mitsuru (1500) | Lost 1-2 | -181482 |
| 2extended | 124 | Fukushima, Hirotomo (1415) | Lost 0-2 | -191463 |
| 3extended | 175 | Yabuguchi, Youhei (1464) | Won 2-0 | +181481 |
| 4extended | 135 | Ishine, Yuta (1498) | Lost 1-2 | -181463 |
| top | average opponent: 1469record: 1-3 | new rating: 1463 | ||