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Zaizen, Kengo
Current rating: 1541

Grand Prix Nagoya 2020 (pioneer) starting rating: 1530
round table opponent (rating) result Δrating
1pioneer 411 Okajima, Masahiro (1606) Lost 0-2 -171513
2pioneer 455 Shimazaki, Ryota (1757) Won 2-1 +231536
3pioneer 514 Yamao, Kyo (1508) Won 2-0 +171553
4pioneer 233 Kanetomi, Hidetaka (1507) Won 2-0 +171570
5pioneer 270 Wada, Yuki (1935) Won 2-0 +251595
6pioneer 162 Murakami, Akinori (1655) Lost 0-2 -171578
7pioneer 299 Kamiya, Kazuhiro (1492) Lost 0-2 -201558
8pioneer 296 Miyasaka, Sho (1603) Lost 0-2 -171541
top average opponent: 1633record: 4-4 new rating: 1541

Grand Prix Nagoya 2019 (ELD standard) starting rating: 1548
round table opponent (rating) result Δrating
1standard 306 Oono, Osamu (1500) Won 2-1 +171565
2standard 269 Furukawa, Takuto (1399) Won 2-0 +151580
3standard 432 Tezuka, Takatomo (1562) Lost 0-2 -181562
4standard 520 Xu, Siying (1752) Lost 0-2 -151547
5standard 505 Akimoto, Daichi (1588) Lost 1-2 -171530
top average opponent: 1560record: 2-3 new rating: 1530

Grand Prix Yokohama 2019 (modern) starting rating: 1569
round table opponent (rating) result Δrating
1modern 677 Uchiyama, Kazuhiko (1500) Lost 0-2 -191550
2modern 856 Nonaka, Kanta (1481) Lost 1-2 -191531
3modern 1134 Takahashi, Naoya 3755 (1468) Won 2-0 +171548
4modern 875 Tamai, Yuno (1561) Won 2-0 +181566
5modern 831 Hoshino, Yuuki (1562) Lost 0-2 -181548
top average opponent: 1515record: 2-3 new rating: 1548

Grand Prix Kyoto 2019 (RNA standard) starting rating: 1516
round table opponent (rating) result Δrating
1standard 320 Yasuda, Hiroki (1623) Won 2-1 +201536
2standard 68 Motoya, Toru (1515) Won 2-0 +181554
3standard 10 Chaovarindr, Thirawat (1811) Lost 1-2 -141540
4standard 644 Toriuchi, Daizo (1515) Won 2-1 +181558
5standard 370 Naganawa, Satoshi (1493) Lost 0-2 -191539
6standard 556 Ota, Masahito (1512) Won 2-0 +171556
7standard 413 Shimazu, Yoshiki (1737) Won 2-1 +221578
8standard 145 Akagi, Takaaki (1363) Won 2-1 +141592
9standard 130 Sashida, Tomoro (1679) Lost 1-2 -171575
10standard 150 Yokota, Takuma (1547) Lost 1-2 -181557
12standard 132 Hirayama, Shigetaka (1772) Won 2-1 +221579
13standard 103 Ishikawa, Takahiro (1716) Won 2-0 +201599
14standard 103 Saito, Tomoharu (1942) Lost 0-2 -121587
15standard 125 Takemoto, Hikaru (1603) Lost 0-2 -181569
top average opponent: 1630record: 8-6 new rating: 1569

Grand Prix Shizuoka 2018 (standard) (GRN standard) starting rating: 1495
round table opponent (rating) result Δrating
1standard 559 Kasagawa, Yosuke (1504) Lost 0-2 -181477
2standard 880 Gojo, Toshiya (1502) Won 2-0 +191496
3standard 831 Yamagishi, Yusuke (1535) Lost 0-2 -171479
4standard 856 Kukino, Yudai (1553) Won 2-0 +191498
5standard 752 Ishii, Masashi (1487) Won 2-0 +181516
6standard 620 Larcombe, Matthew (1487) Won 2-1 +171533
7standard 404 Yamamoto, Ryoichi (1591) Lost 1-2 -171516
top average opponent: 1523record: 4-3 new rating: 1516

Grand Prix Kobe 2017 (modern) starting rating: 1553
round table opponent (rating) result Δrating
3modern 531 Suzuki, Takuya 2595 (1500) Lost 1-2 -191534
4modern 882 Mori, Arashi (1392) Lost 0-2 -201514
5modern 811 Toyoda, Ryosuke (1387) Won 2-1 +151529
6modern 710 Sugisawa, Tsuyoshi (1574) Lost 0-2 -171512
7modern 828 Terada, Tadayoshi (1579) Lost 1-2 -171495
top average opponent: 1486record: 1-4 new rating: 1495

Grand Prix Kobe 2015 (BFZ standard) starting rating: 1500
round table opponent (rating) result Δrating
1standard 779 Odachi, Takuhei (1500) Won 2-0 +181518
2standard 338 Matsumura, Keisuke (1468) Lost 1-2 -191499
3standard 704 Iwata, Takaya (1500) Won 2-1 +181517
4standard 723 Ookura, Haruka (1601) Won 2-0 +201537
5standard 182 Oda, Keigo (1535) Lost 1-2 -181519
6standard 437 Takamizawa, Shigeyoshi (1461) Won 2-1 +171536
7standard 455 Kawai, Yoshihiro (1511) Won 2-0 +171553
8standard 164 Hirosawa, Takuya (1556) Won 2-0 +181571
9standard 145 Hyakuda, Atsushi (1567) Lost 1-2 -181553
top average opponent: 1522record: 6-3 new rating: 1553