Nakamatu, Hirohumi
Current rating: 1498
Record: 66-72-1 (GP) / 1-5 (professional)
- 2012
- 2013
- 2014
- 2015
- 2016
- 2017
- 2018
- 2019
- 2020
| Players Tour Nagoya 2020 (pioneer) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 73 | Yukuhiro, Ken (2029) | Lost 0-2 | -101542 |
| 2draft | 89 | Segou, Kenji (1682) | Won 2-1 | +201562 |
| 3draft | 35 | Suzuki, Kazushige (1903) | Lost 1-2 | -121550 |
| 4pioneer | 76 | Ishizaki, Yoshiki (1805) | Lost 0-2 | -131537 |
| 5pioneer | 69 | Den, Mark (1449) | Lost 0-2 | -201517 |
| 6pioneer | 81 | Stalidzans, Eli (1458) | Lost 1-2 | -191498 |
| top | average opponent: 1721record: 1-5 | new rating: 1498 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 170 | Iwata, Daiki (1500) | Lost 1-2 | -181500 |
| 2standard | 527 | Arima, Kengo (1451) | Lost 0-2 | -191481 |
| 3standard | 839 | Morita, Daishi (1498) | Won 2-1 | +181499 |
| 4standard | 785 | Ishikawa, Takuro (1481) | Lost 1-2 | -181481 |
| 5standard | 765 | Kagami, Chisei (1430) | Won 2-0 | +171498 |
| 6standard | 633 | Hirooka, Yoshihiro (1472) | Won 2-1 | +171515 |
| 7standard | 486 | Saito, Ryo 6701 (1553) | Won 2-0 | +191534 |
| 8standard | 387 | Sato, Kimihiko (1510) | Won 2-1 | +181552 |
| top | average opponent: 1487record: 5-3 | new rating: 1552 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 241 | Koyanagi, Takashi (1579) | Won 2-1 | +201511 |
| 2sealed | 145 | Ojima, Toshiaki (1557) | Won 2-0 | +181529 |
| 3sealed | 1 | Kawakami, Sintarou (1519) | Won 2-1 | +181547 |
| 4sealed | 180 | Nakano, Fumiki (1749) | Lost 0-2 | -141533 |
| 5sealed | 356 | Takiguchi, Yuta (1565) | Lost 1-2 | -181515 |
| 6sealed | 612 | Wada, Hiroya (1650) | Won 2-1 | +211536 |
| 7sealed | 430 | Fujitani, Masahiro (1543) | Lost 1-2 | -181518 |
| top | average opponent: 1595record: 4-3 | new rating: 1518 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 343 | Nakamura, Keisuke (1675) | Lost 1-2 | -141432 |
| 2sealed | 642 | Fukuda, Tatsuhiro (1491) | Won 2-1 | +191451 |
| 3sealed | 759 | Kurusu, Kazuki (1506) | Won 2-0 | +191470 |
| 4sealed | 595 | Okada, Takuya 8592 (1518) | Lost 1-2 | -171453 |
| 5sealed | 857 | Watanabe, Akira (1499) | Won 2-1 | +181471 |
| 6sealed | 676 | Komatsu, Yuuhei (1478) | Lost 0-2 | -171454 |
| 7sealed | 575 | Kajiwara, Tomoki (1514) | Won 2-0 | +191473 |
| 8sealed | 461 | Isomura, Takuya (1488) | Won 2-1 | +181491 |
| top | average opponent: 1521record: 5-3 | new rating: 1491 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 556 | Date, Tsutomu (1450) | Lost 1-2 | -181463 |
| 4modern | 837 | Hikokubo, Shota (1523) | Won 2-1 | +191482 |
| 5modern | 235 | Alvarez, Paolo Lorenzo (1579) | Won 2-0 | +191501 |
| 6modern | 122 | Nakano, Shohei (1555) | Won 2-0 | +191520 |
| 7modern | 145 | Kamata, Kazuhiro (1716) | Lost 1-2 | -141506 |
| 8modern | 419 | Liu, Jin (1752) | Lost 1-2 | -141492 |
| 9modern | 356 | Takahashi, Eiji (1564) | Won 2-0 | +201512 |
| 10modern | 367 | Morikawa, Takayuki (1525) | Lost 0-2 | -181494 |
| 11modern | 363 | Higuchi, Akashi (1592) | Lost 1-2 | -161478 |
| 12modern | 337 | Kiwanont, Sukhum (1688) | Lost 0-2 | -151463 |
| 13modern | 300 | Tai, Sinoduka (1474) | Lost 0-2 | -171446 |
| top | average opponent: 1583record: 4-7 | new rating: 1446 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1551 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 348 | Yamada, Toshihiro (1700) | Lost 0-2 | -151536 |
| 4standard | 531 | Samejima, Ippei (1631) | Lost 0-2 | -171519 |
| 5standard | 857 | Ito, Kazuhiro (1501) | Lost 0-2 | -181501 |
| 6standard | 955 | Yagi, Kazuhiro (1472) | Lost 0-2 | -181483 |
| 7standard | 967 | Takahashi, Kazuhiro (1478) | Draw 1-1 | 01483 |
| 8standard | 912 | Nakishima, ? (1468) | Won 2-0 | +171500 |
| 9standard | 755 | Sarusawa, Yuichi (1435) | Lost 0-2 | -191481 |
| top | average opponent: 1526record: 1-5-1 | new rating: 1481 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1609 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 50 | Ida, Eigo (1482) | Lost 0-2 | -211588 |
| 4legacy | 667 | Wang, Ge-Tine (1421) | Won 2-1 | +151603 |
| 5legacy | 325 | Bessyo, Yuuya (1644) | Lost 0-2 | -171586 |
| 6legacy | 520 | Kimura, Shoji (1537) | Won 2-1 | +171603 |
| 7legacy | 268 | Tabuchi, Toshiyuki (1504) | Lost 1-2 | -201583 |
| 8legacy | 502 | Kimura, Shigeki (1694) | Lost 1-2 | -161567 |
| 9legacy | 560 | Kashima, Akihiro (1665) | Lost 0-2 | -161551 |
| top | average opponent: 1564record: 2-5 | new rating: 1551 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 430 | Yamao, Masakura (1370) | Won 2-0 | +151528 |
| 4standard | 275 | Yoshimura, Wataru (1573) | Won 2-0 | +191547 |
| 5standard | 10 | Matsubara, Ichiro (1837) | Lost 1-2 | -131534 |
| 6standard | 194 | Hasebe, Shunichi (1473) | Won 2-1 | +171551 |
| 7standard | 64 | Uchida, Shinya (1606) | Won 2-1 | +191570 |
| 8standard | 103 | Yazawa, Yoshimichi (1516) | Won 2-1 | +171587 |
| 9standard | 72 | Kawasaki, Keita (1983) | Lost 0-2 | -111576 |
| 10standard | 174 | Miyake, Kyohei (1904) | Won 2-0 | +241600 |
| 11standard | 77 | Suematsu, Takaaki (1884) | Lost 1-2 | -131587 |
| 12standard | 132 | Nagao, Kengo (1755) | Lost 1-2 | -151572 |
| 13standard | 267 | Oshima, Shimpei (1525) | Won 2-0 | +171589 |
| 14standard | 190 | Munekata, Yuuki (1682) | Won 2-0 | +201609 |
| 15standard | 85 | Kabeshita, Yoshito (1539) | ID | 01609 |
| top | average opponent: 1665record: 8-4-1 | new rating: 1609 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 354 | Yu, Se-Hoon (1431) | Won 2-1 | +181450 |
| 4sealed | 208 | Sano, Keisuke (1441) | Lost 0-2 | -181432 |
| 5sealed | 509 | Yuki, Ryosuke (1404) | Won 2-0 | +171449 |
| 6sealed | 131 | Mori, Takahiro (1486) | Won 2-0 | +191468 |
| 7sealed | 117 | Kaizu, Hareta (1821) | Won 2-0 | +241492 |
| 8sealed | 47 | Ma, Jack (1605) | Lost 0-2 | -161476 |
| 9sealed | 156 | Sato, Hikaru0478 (1576) | Lost 0-2 | -161460 |
| 10draft | 136 | Aoi, Masashi (1523) | Won 2-0 | +191479 |
| 11draft | 145 | Wee, Pang Ming (1701) | Lost 1-2 | -141465 |
| 12draft | 143 | Suga, Hiroki (1585) | Lost 0-2 | -161449 |
| 13draft | 73 | Kamei, Hiroto (1534) | Won 2-0 | +201469 |
| 14draft | 61 | Iwaide, Yoshitaka (1618) | Won 2-0 | +201489 |
| 15draft | 48 | Yoon, SooHan (1791) | Won 2-1 | +241513 |
| top | average opponent: 1578record: 8-5 | new rating: 1513 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 558 | Hiraoka, Taku (1554) | Lost 0-2 | -161415 |
| 4standard | 609 | Kaga, Hiroyuki (1505) | Won 2-0 | +191434 |
| 5standard | 196 | Fujiya, Takahiro (1563) | Lost 1-2 | -151419 |
| 6standard | 502 | Takata, Kouhei (1577) | Lost 0-2 | -151404 |
| 7standard | 705 | Emori, Shinichi (1588) | Won 2-0 | +211425 |
| 8standard | 470 | Oldziey, Kalim (1769) | Lost 1-2 | -121413 |
| 9standard | 485 | Takahashi, Toshirou (1449) | Won 2-1 | +191432 |
| top | average opponent: 1572record: 3-4 | new rating: 1432 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1417 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 269 | Takei, Jun (1524) | Won 2-1 | +201437 |
| 3sealed | 211 | Babasaki, Taro (1642) | Won 2-0 | +221459 |
| 4sealed | 96 | Ozawa, Yoshimasa (1556) | Lost 1-2 | -161443 |
| 5sealed | 138 | Naka, Keiji (1558) | Won 2-0 | +201463 |
| 6sealed | 46 | Omori, Wataru (1497) | Lost 0-2 | -181445 |
| 7sealed | 115 | Andou, Masahito (1543) | Lost 0-2 | -161429 |
| 8sealed | 170 | Itou, Makoto (1425) | Lost 0-2 | -181411 |
| 9sealed | 168 | Kiyama, Yoshiaki (1499) | Won 2-1 | +201431 |
| top | average opponent: 1530record: 4-4 | new rating: 1431 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 695 | Kawasaki, Takeshi (1447) | Lost 1-2 | -181425 |
| 3legacy | 729 | Miyamoto, Hisashi (1502) | Lost 1-2 | -171408 |
| 4legacy | 882 | Suzuki, Yusuke (1476) | Won 2-1 | +191427 |
| 5legacy | 743 | Furukawa, Hiroki (1646) | Won 2-0 | +221449 |
| 6legacy | 715 | Nemoto, Taku (1515) | Won 2-0 | +201469 |
| 7legacy | 622 | Asano, Jun'ya (1540) | Lost 1-2 | -171452 |
| 8legacy | 669 | Nakanishi, Yutaka (1461) | Lost 0-2 | -181434 |
| 9legacy | 667 | Izawa, Kagekatsu (1501) | Lost 1-2 | -171417 |
| top | average opponent: 1511record: 3-5 | new rating: 1417 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1433 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 99 | Sibata, Kouji (1518) | Lost 1-2 | -161417 |
| 3sealed | 283 | Kamiya, Kazuhiro (1430) | Won 2-0 | +181435 |
| 4sealed | 275 | Kamioka, Masayuki (1501) | Won 2-0 | +191454 |
| 5sealed | 202 | Kawata, Yoshiaki (1505) | Lost 0-2 | -171437 |
| 6sealed | 281 | Nomura, Shintaro (1492) | Won 2-0 | +191456 |
| 7sealed | 176 | Kurashima, Kazuki (1580) | Lost 1-2 | -161440 |
| 8sealed | 176 | Nakamura, Yuki 6139 (1480) | Won 2-0 | +191459 |
| 9sealed | 130 | Omi, Tatsuya (1546) | Lost 1-2 | -161443 |
| top | average opponent: 1507record: 4-4 | new rating: 1443 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 206 | Takaoka, Yusuke (1548) | Lost 0-2 | -161463 |
| 4modern | 323 | Oohashi, Toshiyuki (1586) | Won 2-0 | +201483 |
| 5modern | 84 | Kurihara, Yuuji (1585) | Lost 1-2 | -161467 |
| 6modern | 226 | Sonobe, Keishi (1572) | Lost 1-2 | -161451 |
| 7modern | 355 | Takano, Hirokazu (1486) | Lost 0-2 | -181433 |
| 8modern | 309 | Kataoka, Kiyoshi (1470) | Lost 1-2 | -171416 |
| 9modern | 283 | Oku, Kousuke (1376) | Won 2-1 | +171433 |
| top | average opponent: 1517record: 2-5 | new rating: 1433 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 512 | Moriya, Toshihiko (1678) | Won 2-0 | +221471 |
| 4sealed | 573 | Ohira, Shinichi (1542) | Lost 1-2 | -161455 |
| 5sealed | 569 | Kamo, Riki (1463) | Won 2-1 | +181473 |
| 6sealed | 554 | Lou, Violet (1542) | Won 2-0 | +191492 |
| 7sealed | 551 | Bradford, Chris S (1591) | Won 2-1 | +201512 |
| 8sealed | 517 | Ishiwada, Hiroyuki (1631) | Lost 0-2 | -161496 |
| 9sealed | 568 | Lim, Jeongmuk (1570) | Lost 1-2 | -171479 |
| top | average opponent: 1574record: 4-3 | new rating: 1479 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 249 | Katsu, Masahiro (1341) | Won 2-1 | +151522 |
| 3standard | 73 | Nakatani, Hiroki (1589) | Lost 1-2 | -171505 |
| 4standard | 328 | Yoshihara, Tomoki (1479) | Lost 1-2 | -181487 |
| 5standard | 365 | Harada, Makoto (1499) | Lost 0-2 | -181469 |
| 6standard | 395 | Otani, Makoto (1364) | Lost 1-2 | -201449 |
| top | average opponent: 1454record: 1-4 | new rating: 1449 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 273 | Mishima, Hideo (1543) | Won 2-1 | +191524 |
| 3standard | 283 | Maeda, Lucio (1624) | Lost 1-2 | -171507 |
| 4standard | 451 | Nowaki, Seiji (1518) | Lost 0-2 | -171490 |
| 5standard | 433 | Ogawa, Tatsuya (1498) | Lost 1-2 | -181472 |
| 6standard | 570 | Morimoto, Shinichi (1486) | Won 2-1 | +181490 |
| 7standard | 486 | Kamata, Tsukasa (1501) | Won 2-1 | +181508 |
| 8standard | 358 | Higuchi, Takashi (1474) | Lost 1-2 | -181490 |
| 9standard | 329 | Takeda, Hiroya (1462) | Won 2-0 | +171507 |
| top | average opponent: 1513record: 4-4 | new rating: 1507 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 149 | Tokoro, Masanori (1553) | Won 2-1 | +191519 |
| 3sealed | 163 | Furujou, Takashi (1471) | Lost 0-2 | -191500 |
| 4sealed | 235 | Murase, Motonori (1526) | Lost 1-2 | -171483 |
| 5sealed | 354 | Hirofumi N., (1483) | Won 2-0 | +181501 |
| 6sealed | 253 | Sanno, Naoki (1657) | Won 2-0 | +201521 |
| 7sealed | 141 | Kamada, Masahiro (1542) | Lost 0-2 | -171504 |
| 8sealed | 231 | Yokota, Masaaki (1465) | Won 2-0 | +171521 |
| 9sealed | 156 | Takeuchi, Ryota (1623) | Lost 1-2 | -161505 |
| top | average opponent: 1540record: 4-4 | new rating: 1505 | ||