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Ishikawa, Naoki
Current rating: 1450

Grand Prix Nagoya 2019 (ELD standard) starting rating: 1420
round table opponent (rating) result Δrating
1standard 409 Shimamura, Yukihiro (1571) Lost 1-2 -151405
2standard 508 Kashiwagi, Ryohei (1714) Lost 0-2 -131392
3standard 779 Ono, Yasuaki (1467) Won 2-1 +191411
4standard 729 Kato, Naoya (1359) Lost 1-2 -191392
5standard 728 Furuya, Sachiko (1462) Won 2-1 +201412
6standard 586 Sakadani, Naoki (1464) Won 2-1 +191431
7standard 515 Iwasaki, Koichi (1499) Won 2-1 +191450
top average opponent: 1505record: 4-3 new rating: 1450

Grand Prix Chiba 2019 (M20 limited) starting rating: 1410
round table opponent (rating) result Δrating
1sealed 424 Toyama, Takashi (1475) Won 2-1 +191429
2sealed 88 Chen, Yang 0888 (1835) Lost 0-2 -111418
3sealed 943 Delbarre, Raphael (1604) Won 2-0 +211439
4sealed 712 Suzuki, Yuuhei (1513) Draw 1-1 +11440
5sealed 530 Nakasato, Hiroki (1295) Lost 0-2 -201420
top average opponent: 1544record: 2-2-1 new rating: 1420

Grand Prix Yokohama 2019 (modern) starting rating: 1399
round table opponent (rating) result Δrating
1modern 635 Ito, Wataru (1554) Won 2-0 +201419
2modern 583 Matsui, Hideyuki (1465) Lost 1-2 -171402
3modern 946 Tsukuda, Kenta (1497) Lost 0-2 -161386
4modern 979 Kanamoto, Shojun (1414) Won 2-1 +181404
5modern 890 Irie, Kousuke (1501) Lost 0-2 -161388
6modern 839 Yamamura, Yuma (1575) Won 2-1 +221410
top average opponent: 1501record: 3-3 new rating: 1410

Grand Prix Chiba 2018 (M19 limited) starting rating: 1420
round table opponent (rating) result Δrating
1sealed 566 Itakura, Kenichi (1490) Won 2-1 +191439
2sealed 234 Ookawa, Yuya (1476) Won 2-0 +191458
3sealed 68 Matsumoto, Tomohiro (1591) Won 2-1 +201478
4sealed 70 Esaki, Keisuke (1752) Lost 0-2 -131465
5sealed 297 Zhao, Tianyu (1582) Lost 0-2 -161449
6sealed 620 Murata, Yutaka (1634) Lost 1-2 -141435
7sealed 615 Watanabe, Takayuki (1476) Lost 1-2 -181417
8sealed 523 Iwata, Ryoji (1378) Lost 0-2 -181399
top average opponent: 1547record: 3-5 new rating: 1399

Grand Prix Shizuoka 2017 (AER standard) starting rating: 1448
round table opponent (rating) result Δrating
1standard 626 Sakuraba, Ryouhei (1561) Won 2-1 +201468
2standard 142 Kamikawa, Takuya (1524) Won 2-1 +191487
3standard 633 Fukudome, Yuu (1614) Lost 1-2 -151472
4standard 559 Inuzuka, Masayuki (1537) Won 2-1 +191491
5standard 575 Shinkai, Yasuhiro (1491) Lost 1-2 -181473
6standard 744 Okuda, Ken (1434) Lost 0-2 -191454
7standard 715 Suzuki, Yasufumi (1506) Lost 1-2 -171437
8standard 902 Suganuma, Kathuhiro (1482) Lost 1-2 -171420
top average opponent: 1518record: 3-5 new rating: 1420

Grand Prix Kobe 2015 (BFZ standard) starting rating: 1448
round table opponent (rating) result Δrating
3standard 89 Iwaide, Yoshitaka (1553) Lost 1-2 -161432
4standard 463 Matsumoto, Shohei (1517) Won 2-0 +201452
5standard 240 Sasabe, Yusuke (1600) Lost 0-2 -161436
6standard 624 Matsumoto, Kento (1518) Won 2-1 +201456
7standard 299 Takeuti, Hideki (1541) Won 2-0 +191475
8standard 351 Nitta, Yuki (1767) Lost 0-2 -131462
9standard 369 Yasufuku, Akihiro (1677) Lost 0-2 -141448
top average opponent: 1596record: 3-4 new rating: 1448

Grand Prix Chiba 2015 (MM2 limited) starting rating: 1464
round table opponent (rating) result Δrating
1sealed 2375 Mizumura, Ukon (1500) Lost 0-2 -171447
2sealed 2397 Matuda, Atushi (1481) Won 2-1 +181465
3sealed 2367 Kimitsuka, Shuntarou (1501) Lost 0-2 -171448
top average opponent: 1494record: 1-2 new rating: 1448

Grand Prix Yokohama 2013 (GTC limited) starting rating: 1500
round table opponent (rating) result Δrating
1sealed 73 Inoue, Takamichi (1471) Lost 1-2 -191481
2sealed 304 Murata, Shouta (1516) Lost 1-2 -171464
top average opponent: 1494record: 0-2 new rating: 1464