Sakamoto, Masaaki
Current rating: 1573
Record: 89-98-6
- 2000
- 2001
- 2002
- 2003
- 2004
- 2012
- 2013
- 2014
- 2015
- 2016
- 2017
- 2018
- 2019
- 2020
Grand Prix Nagoya 2020 (pioneer) | starting rating: 1556 | |||
round | table | opponent (rating) | result | Δrating |
3pioneer | 34 | Wang, Shensheng (1656) | Lost 0-2 | -161540 |
4pioneer | 349 | Hando, Shinnosuke (1553) | Won 2-0 | +181558 |
5pioneer | 144 | Uchiyama, Kouichi (1268) | Won 2-1 | +131571 |
6pioneer | 60 | Kwanchaitunya, Sakditat (1607) | Lost 1-2 | -181553 |
7pioneer | 175 | Fukushima, Yuuhei (1662) | Won 2-1 | +201573 |
8pioneer | 93 | Nishida, Masashi (1572) | Won 2-1 | +181591 |
9pioneer | 132 | Sasao, Yusuke (1699) | Won 2-1 | +201611 |
10pioneer | 89 | Yamada, Mitsuhiro (1565) | Lost 0-2 | -191592 |
11pioneer | 92 | Nakayama, Hiroshi (1531) | Lost 1-2 | -191573 |
top | average opponent: 1568record: 5-4 | new rating: 1573 |
Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1550 | |||
round | table | opponent (rating) | result | Δrating |
3standard | 42 | Kim, Taewoo (1631) | Lost 1-2 | -171533 |
4standard | 475 | Ookura, Haruka (1720) | Won 2-0 | +211554 |
5standard | 251 | Tezuka, Takatomo (1562) | Won 2-1 | +191573 |
6standard | 88 | Motoya, Toru (1401) | Won 2-1 | +141587 |
7standard | 38 | Ichimura, Yuji (1584) | Lost 1-2 | -181569 |
8standard | 224 | Moriyama, Masahide (1815) | Lost 1-2 | -131556 |
top | average opponent: 1619record: 3-3 | new rating: 1556 |
Grand Prix Bangkok 2019 (ELD limited) | starting rating: 1586 | |||
round | table | opponent (rating) | result | Δrating |
3sealed | 22 | Huang, Hao-Shan (1761) | Lost 0-2 | -151571 |
4sealed | 142 | Oatnoi, Watcharapong (1390) | Lost 0-2 | -211550 |
top | average opponent: 1576record: 0-2 | new rating: 1550 |
Grand Prix Chiba 2019 (M20 limited) | starting rating: 1579 | |||
round | table | opponent (rating) | result | Δrating |
3sealed | 348 | Zimmermann, Raoul (1802) | Won 2-0 | +221601 |
4sealed | 85 | Matsuyama, Ryousuke (1711) | Won 2-1 | +201621 |
5sealed | 135 | Hibino, Yasutaka (1719) | Lost 0-2 | -171604 |
6sealed | 297 | Shiohata, Ryosuke (1560) | Lost 0-2 | -181586 |
top | average opponent: 1698record: 2-2 | new rating: 1586 |
Grand Prix Yokohama 2019 (modern) | starting rating: 1490 | |||
round | table | opponent (rating) | result | Δrating |
3modern | 330 | Ito, Kazuma (1581) | Won 2-1 | +201510 |
4modern | 203 | Yamagishi, Keisuke (1569) | Won 2-0 | +191529 |
5modern | 120 | Oikawa, Ryusuke (1668) | Lost 0-2 | -161513 |
6modern | 81 | Takahashi, Taro (1611) | Won 2-1 | +201533 |
7modern | 58 | Yashiro, Kazuki (1847) | Lost 1-2 | -121521 |
8modern | 268 | Nakada, Ryo (1728) | Won 2-1 | +211542 |
9modern | 92 | Kabeya, Atsushi (1618) | Won 2-1 | +201562 |
10modern | 76 | Lee, Chao Yi (1719) | Won 2-1 | +201582 |
11modern | 89 | Murae, Ryuji (1951) | Lost 1-2 | -111571 |
12modern | 64 | Hasegawa, Tatuya (1662) | Won 2-1 | +201591 |
13modern | 81 | Tanahashi, Masayasu (1954) | Lost 1-2 | -121579 |
14modern | 91 | Matsumata, Syusaku (1515) | Won 2-0 | +171596 |
15modern | 76 | Mishina, Ryota (1648) | Lost 0-2 | -171579 |
top | average opponent: 1698record: 8-5 | new rating: 1579 |
Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1508 | |||
round | table | opponent (rating) | result | Δrating |
3standard | 393 | Yamamoto, Shinya 8409 (1500) | Lost 0-2 | -181490 |
top | record: 0-1 | new rating: 1490 |
Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1533 | |||
round | table | opponent (rating) | result | Δrating |
3standard | 393 | Pan, Minxing (1819) | Lost 1-2 | -131520 |
4standard | 549 | Kawaguchi, Tetsu (1723) | Lost 0-2 | -141506 |
5standard | 669 | Ichikawa, Shoichi (1595) | Won 2-0 | +191525 |
6standard | 691 | Kamo, Keisuke (1558) | Lost 1-2 | -171508 |
top | average opponent: 1674record: 1-3 | new rating: 1508 |
Grand Prix Chiba 2018 (M19 limited) | starting rating: 1525 | |||
round | table | opponent (rating) | result | Δrating |
3sealed | 164 | Okai, Toshiki (1848) | Lost 1-2 | -121513 |
4sealed | 723 | Takahashi, Yu (1518) | Won 2-0 | +181531 |
5sealed | 161 | Mine, Ryunosuke (1400) | Lost 1-2 | -211510 |
6sealed | 349 | Irie, Masafumi (1423) | Won 2-0 | +171527 |
7sealed | 414 | Murakami, Akinori (1606) | Lost 0-2 | -171510 |
8sealed | 416 | Cho, Jeong Woo (1786) | Won 2-1 | +231533 |
top | average opponent: 1597record: 3-3 | new rating: 1533 |
Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1547 | |||
round | table | opponent (rating) | result | Δrating |
3sealed | 28 | Arai, Yuusuke3019 (1523) | Won 2-1 | +181565 |
4sealed | 155 | Izaki, Yuji (1619) | Lost 0-2 | -171548 |
5sealed | 368 | Lee, Joon Soo (1886) | Won 2-0 | +241572 |
6sealed | 138 | Tsuchiya, Ryuichi (1672) | Won 2-1 | +191591 |
7sealed | 203 | Esaki, Keisuke (1641) | Lost 1-2 | -171574 |
8sealed | 292 | Tsuji, Ryosuke (1572) | Won 2-0 | +181592 |
9sealed | 216 | Zeggio, Riccardo (1496) | Lost 0-2 | -201572 |
10draft | 266 | Tamada, Ryoichi (1843) | Lost 1-2 | -131559 |
11draft | 210 | Matsubara, Ichiro (1668) | Lost 0-2 | -161543 |
13draft | 67 | Ogawa, Nobuharu (1526) | Lost 0-2 | -181525 |
top | average opponent: 1644record: 4-6 | new rating: 1525 |
Grand Prix Kobe 2017 (modern) | starting rating: 1575 | |||
round | table | opponent (rating) | result | Δrating |
3modern | 535 | Yamawaki, Takumi (1525) | Won 2-0 | +171592 |
4modern | 294 | Chihiro, Kogure (1581) | Lost 1-2 | -181574 |
5modern | 356 | Kawasaki, Keita (2106) | Lost 0-2 | -101564 |
6modern | 465 | Matsushita, Masayoshi (1596) | Lost 0-2 | -171547 |
top | average opponent: 1702record: 1-3 | new rating: 1547 |
Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1543 | |||
round | table | opponent (rating) | result | Δrating |
3standard | 668 | Tanaka, Jouji (1538) | Lost 1-2 | -181525 |
4standard | 843 | Hattori, Kazuki (1625) | Won 2-1 | +201545 |
5standard | 477 | Miyabe, Kouichi (1737) | Won 2-0 | +211566 |
6standard | 201 | Kakumae, Teruya (1993) | Lost 1-2 | -101556 |
7standard | 266 | Yanagidate, Ikumi (1555) | Won 2-1 | +181574 |
8standard | 251 | Iwasaki, Takashi (1529) | Lost 0-2 | -191555 |
9standard | 456 | Ono, Makoto (1562) | Won 2-1 | +181573 |
10standard | 197 | Futami, Yoshiki (1541) | Won 2-0 | +171590 |
11standard | 128 | Shimizu, Ryouta (1677) | Draw 1-1 | +21592 |
12standard | 205 | Yamaguchi, Yuuichi (1636) | Lost 1-2 | -171575 |
top | average opponent: 1639record: 5-4-1 | new rating: 1575 |
Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1587 | |||
round | table | opponent (rating) | result | Δrating |
3standard | 540 | Shinohara, Gen (Tokyo) (1518) | Lost 0-2 | -191568 |
4standard | 592 | Oikawa, Masafumi (1455) | Lost 0-2 | -201548 |
5standard | 907 | Tang, Jianhua (1402) | Draw 1-1 | -31545 |
6standard | 1023 | Nakamura, Satoshi (Chiba) (1485) | Won 2-1 | +171562 |
7standard | 767 | Ma, Han (1496) | Lost 1-2 | -191543 |
top | average opponent: 1471record: 1-3-1 | new rating: 1543 |
Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1509 | |||
round | table | opponent (rating) | result | Δrating |
3sealed | 122 | Sakurabayashi, Gaku (1499) | Won 2-1 | +181527 |
4sealed | 287 | Takechi, Takumi (1480) | Won 2-0 | +171544 |
5sealed | 61 | Kanagawa, Takuya (1538) | Won 2-0 | +181562 |
6sealed | 21 | Hattori, Taiki (1861) | Won 2-0 | +241586 |
7sealed | 3 | Ogata, Nobuhiko (1672) | Won 2-1 | +191605 |
8sealed | 7 | Ishii, Taisuke (1793) | Won 2-1 | +211626 |
9sealed | 8 | Taniguchi, Reo (1608) | Lost 0-2 | -181608 |
10draft | 161 | Kakumae, Teruya (1850) | Won 2-1 | +221630 |
11draft | 2 | Osawa, Takuya (1899) | Lost 0-2 | -131617 |
12draft | 172 | Itou, Kenshirou (1713) | Lost 0-2 | -161601 |
13draft | 101 | Ishii, Taisuke (1766) | Lost 0-2 | -151586 |
14draft | 83 | Nakamura, Hajime (1662) | Won 2-1 | +191605 |
15draft | 66 | Nakano, Tatsuhito (1607) | Lost 0-2 | -181587 |
top | average opponent: 1688record: 8-5 | new rating: 1587 |
Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1460 | |||
round | table | opponent (rating) | result | Δrating |
3standard | 519 | Fukunaga, Keisuke (1565) | Won 2-1 | +201480 |
4standard | 201 | Sano, Hikaru (1552) | Won 2-0 | +191499 |
5standard | 65 | Mutou, Yoshinosuke (1573) | Won 2-1 | +201519 |
6standard | 64 | Fujimoto, Yuki (1680) | Lost 1-2 | -151504 |
7standard | 99 | Itou, Hayato7608 (1629) | Draw 1-1 | +21506 |
8standard | 121 | Tanaka, Yu (1588) | Lost 1-2 | -171489 |
9standard | 241 | Yuasa, Kentarou (1604) | Won 2-0 | +201509 |
top | average opponent: 1599record: 4-2-1 | new rating: 1509 |
Grand Prix Kyoto 2015 (legacy) | starting rating: 1498 | |||
round | table | opponent (rating) | result | Δrating |
3legacy | 11 | Iwasaki, Takuya (1535) | Lost 0-2 | -171481 |
4legacy | 236 | Urakami, Takayuki (1479) | Won 2-1 | +181499 |
5legacy | 198 | Nagase, Hirofumi (1492) | Lost 1-2 | -181481 |
6legacy | 200 | Maeda, Takayuki (1329) | Lost 1-2 | -211460 |
top | average opponent: 1459record: 1-3 | new rating: 1460 |
Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1453 | |||
round | table | opponent (rating) | result | Δrating |
3sealed | 779 | Takagi, Kengo (1577) | Won 1-0 | +201473 |
4sealed | 701 | Ichikawa, Tatsuya (1571) | Lost 1-2 | -161457 |
5sealed | 710 | Sugita, Tsubasa (1480) | Won 2-1 | +181475 |
6sealed | 654 | Matsushita, Shintaro (1590) | Lost 0-2 | -151460 |
7sealed | 812 | Akamatsu, Yoshiki (1538) | Won 2-0 | +191479 |
8sealed | 716 | Yamauchi, Takashi (1506) | Won 2-1 | +181497 |
9sealed | 679 | Karasawa, Ryuichi (1545) | Draw 1-1 | +11498 |
top | average opponent: 1544record: 4-2-1 | new rating: 1498 |
Grand Prix Kobe 2014 (modern) | starting rating: 1445 | |||
round | table | opponent (rating) | result | Δrating |
2modern | 201 | Atobe, Kazuki (1567) | Won 2-0 | +201465 |
3modern | 164 | Adachi, Ryosuke (1532) | Lost 0-2 | -171448 |
4modern | 197 | Hasegawa, Atusi (1419) | Won 2-0 | +181466 |
5modern | 236 | Wakamatsu, Akimasa (1502) | Lost 1-2 | -181448 |
6modern | 235 | Masuda, Jyunya (1525) | Lost 0-2 | -161432 |
7modern | 334 | Iwazaki, Yuuta (1606) | Won 2-1 | +211453 |
top | average opponent: 1525record: 3-3 | new rating: 1453 |
Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1477 | |||
round | table | opponent (rating) | result | Δrating |
3sealed | 671 | Kusakabe, Shuichi (1627) | Lost 1-2 | -151462 |
4sealed | 640 | Shirakihara, Ryuuichi (1561) | Lost 0-2 | -161446 |
5sealed | 723 | Matsumoto, Masaya (1421) | Won 2-0 | +171463 |
6sealed | 685 | Nasu, Kenichi (1454) | Lost 0-2 | -181445 |
top | average opponent: 1516record: 1-3 | new rating: 1445 |
Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1488 | |||
round | table | opponent (rating) | result | Δrating |
3standard | 112 | Kim, Chan-wook (1500) | Won 2-1 | +181506 |
4standard | 61 | Iimura, Yuta (1494) | Won 2-0 | +181524 |
5standard | 4 | Yamada, Yousuke (1698) | Lost 1-2 | -151509 |
6standard | 65 | Itou, Masayoshi (1542) | Lost 1-2 | -181491 |
7standard | 102 | Liang, Chihwei (1551) | Lost 0-2 | -171474 |
8standard | 135 | Katau, Yoshito (1541) | Won 2-0 | +201494 |
9standard | 263 | Teo, Yuen Peir (1571) | Lost 0-2 | -171477 |
top | average opponent: 1557record: 3-4 | new rating: 1477 |
Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1494 | |||
round | table | opponent (rating) | result | Δrating |
3standard | 190 | Jang, Sung-Jae (1537) | Won 2-1 | +191513 |
4standard | 139 | Nakamura, Sara (1505) | Lost 1-2 | -181495 |
5standard | 207 | Sato, Keisuke (1501) | Won 2-1 | +181513 |
6standard | 118 | Inuzuka, Masayuki (1582) | Won 2-0 | +191532 |
7standard | 86 | Muto, Masaharu (1669) | Lost 0-2 | -151517 |
8standard | 146 | Nakamura, Atsushi (1750) | Lost 1-2 | -141503 |
9standard | 149 | Yao, Chris (1646) | Lost 1-2 | -151488 |
top | average opponent: 1599record: 3-4 | new rating: 1488 |
Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1489 | |||
round | table | opponent (rating) | result | Δrating |
2standard | 200 | Ariyoshi, Daisuke (1443) | Won 2-0 | +171506 |
3standard | 263 | Yamaguchi, Hiroshi (Niigata) (1518) | Lost 1-2 | -181488 |
4standard | 245 | Nishiura, Ryosuke (1451) | Won 2-1 | +181506 |
5standard | 137 | Nakaoka, Koshiro (1433) | Won 2-1 | +161522 |
6standard | 108 | Hashimoto, Tatsuki (1520) | Lost 1-2 | -181504 |
7standard | 295 | Mori, Katsuhiro (1970) | Lost 0-2 | -101494 |
top | average opponent: 1556record: 3-3 | new rating: 1494 |
Grand Prix Yokohama 2012 (modern) | starting rating: 1427 | |||
round | table | opponent (rating) | result | Δrating |
3modern | 166 | Takai, Hiroaki (1527) | Won 2-1 | +191446 |
4modern | 65 | Yamamura, Yuma (1487) | Won 2-0 | +191465 |
5modern | 35 | Tamura, Tetsu (1578) | Won 2-0 | +201485 |
6modern | 43 | Moriya, Toshihiko (1690) | Won 2-0 | +221507 |
7modern | 14 | Furukawa, Hiroki (1651) | Won 2-0 | +201527 |
8modern | 1 | Kuo, Tzu-Ching (1977) | Lost 1-2 | -101517 |
9modern | 32 | Ushijima, Masaki (1771) | Lost 0-2 | -131504 |
10modern | 26 | Ikeda, Tsuyoshi (1686) | Lost 0-2 | -151489 |
top | average opponent: 1671record: 5-3 | new rating: 1489 |
Grand Prix Kobe 2012 (DKA limited) | starting rating: 1441 | |||
round | table | opponent (rating) | result | Δrating |
2sealed | 218 | Okazaki, Kazuhiro (1520) | Lost 0-2 | -171424 |
3sealed | 254 | Kataoka, Asami (1543) | Won 2-0 | +201444 |
4sealed | 330 | Saitou, Kazuya (1458) | Lost 0-2 | -171427 |
top | average opponent: 1507record: 1-2 | new rating: 1427 |
Grand Prix Sendai 2004 (DST limited) | starting rating: 1447 | |||
round | table | opponent (rating) | result | Δrating |
2sealed | 63 | Kawataka, Ryota (1520) | Lost 0-2 | -171430 |
3sealed | 198 | Okutomi, Hiromitsu (1586) | Won 2-0 | +211451 |
4sealed | 137 | Hayashi, Takatomo (1523) | Lost 1-2 | -171434 |
5sealed | 122 | Miyamori, Masaei (1473) | Lost 0-2 | -171417 |
6sealed | 164 | Awano, Heita (1481) | Won 2-0 | +191436 |
7sealed | 128 | Kataoka, Asami (1646) | Lost 0-2 | -141422 |
8sealed | 102 | Lopez, Nazario (1456) | Won 2-1 | +191441 |
top | average opponent: 1526record: 3-4 | new rating: 1441 |
Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1520 | |||
round | table | opponent (rating) | result | Δrating |
3block | 7 | Fukai, Akihiro (1519) | Lost 0-2 | -181502 |
4block | 111 | Yasooka, Shota (1502) | Lost 1-2 | -181484 |
5block | 207 | Maruyama, Takaaki (1427) | Lost 0-2 | -191465 |
6block | 304 | Yamaguchi, Kazuki (1482) | Lost 1-2 | -181447 |
top | average opponent: 1482record: 0-4 | new rating: 1447 |
Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1509 | |||
round | table | opponent (rating) | result | Δrating |
1sealed | 183 | Nakamura, Kiyonari (1514) | Won 2-0 | +191528 |
2sealed | 105 | Ositani, Kenji (1517) | Won 2-0 | +171545 |
3sealed | 82 | Kito, Takeshi (1522) | Won 2-0 | +181563 |
4sealed | 36 | Tsumura, Kenji (1588) | Lost 0-2 | -181545 |
5sealed | 113 | Sekine, Takeshi (1673) | Won 2-1 | +211566 |
6sealed | 35 | Fujita, Tsuyoshi (1883) | Lost 0-2 | -131553 |
7sealed | 56 | Ishikawa, Masayo (1539) | Lost 1-2 | -181535 |
8sealed | 8 | Iwai, Tsuyoshi (1686) | Lost 0-2 | -151520 |
top | average opponent: 1615record: 4-4 | new rating: 1520 |
Grand Prix Hiroshima 2003 (extended) | starting rating: 1506 | |||
round | table | opponent (rating) | result | Δrating |
2extended | 60 | Harada, Daisaku (1518) | Draw 1-1 | +11507 |
3extended | 74 | Tajimi, Yuki (1536) | Won 2-1 | +181525 |
4extended | 56 | Tanaka, Atsushi (1633) | Won 2-0 | +201545 |
5extended | 29 | Tanaka, Kazuyuki (1554) | Lost 0-2 | -181527 |
6extended | 59 | Shimada, Takashi (1501) | Won 2-0 | +181545 |
7extended | 29 | Umeno, Kengo (1543) | Lost 0-2 | -181527 |
8extended | 56 | Sugiyama, Kouichi (1567) | Lost 1-2 | -181509 |
top | average opponent: 1550record: 3-3-1 | new rating: 1509 |
Grand Prix Sapporo 2002 (Odyssey block) | starting rating: 1480 | |||
round | table | opponent (rating) | result | Δrating |
3block | 52 | Nakamura, Shuhei (1801) | Won 2-0 | +241504 |
4block | 4 | Saito, Tomoyuki (1538) | Draw 1-1 | 01504 |
5block | 25 | Mayaguchi, Masaru (1556) | Lost 0-2 | -171487 |
6block | 57 | Fukuya, Kenji (1444) | Won 2-0 | +171504 |
7block | 34 | Takasaki, Yuichi (1557) | Lost 0-2 | -171487 |
8block | 57 | Suezawa, Ryo (1542) | Won 2-0 | +191506 |
top | average opponent: 1573record: 3-2-1 | new rating: 1506 |
Grand Prix Kobe 2001 (Invasion block) | starting rating: 1498 | |||
round | table | opponent (rating) | result | Δrating |
1block | 29 | Sakamoto, Keita (1500) | Won 2-0 | +191517 |
2block | 189 | Wakayama, Takahiro (1518) | Won 2-0 | +181535 |
3block | 144 | Yoshida, Satoshi (1535) | Won 2-1 | +181553 |
4block | 116 | Tadokoro, Masaya (1554) | Lost 1-2 | -181535 |
5block | 119 | Oomori, Kazuki (1510) | Lost 1-2 | -191516 |
6block | 359 | Katou, Ichirou (1519) | Lost 1-2 | -181498 |
7block | 338 | Wang, Ming Chee (1490) | Lost 1-2 | -181480 |
top | average opponent: 1518record: 3-4 | new rating: 1480 |
Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
round | table | opponent (rating) | result | Δrating |
1extended | 24 | Jinbu, Yousuke (1500) | Won 2-1 | +181518 |
2extended | 92 | Kaneko, Yoshinori (1518) | Won 2-0 | +181536 |
3extended | 53 | Nakamura, Hirobumi (1500) | Lost 1-2 | -191517 |
4extended | 84 | Ogaki, Atsushi (1500) | Lost 0-2 | -181499 |
5extended | 166 | Nakano, Yoshitaka (1465) | Lost 1-2 | -191480 |
6extended | 219 | Okada, Yu (1481) | Won 2-0 | +181498 |
7extended | 191 | Matsuyama, Makoto (1499) | Lost 0-2 | -181480 |
8extended | 173 | Miyauchi, Ken (1482) | Won 2-0 | +181498 |
top | average opponent: 1493record: 4-4 | new rating: 1498 |