We have a Patreon! Click here to become a patron, or read the blog to learn more!
   
Kubota, Katsuma
Current rating: 1505

Grand Prix Nagoya 2019 (ELD standard) starting rating: 1501
round table opponent (rating) result Δrating
1standard 358 Ohshiro, Syusaku (1698) Lost 0-2 -141487
2standard 422 Hiroshima, Hajime (1479) Lost 0-2 -181469
3standard 770 Tomiyama, Shin (1363) Won 2-1 +161485
4standard 639 Arima, Eri (1489) Won 2-0 +181503
5standard 595 Matsubara, Hidenori (1563) Lost 0-2 -171486
6standard 589 Nakatani, Tomoya (1485) Won 2-1 +181504
7standard 520 Miyakura, Yoshiji (1517) Won 2-1 +181522
8standard 296 Kawasaki, Takeshi (1560) Lost 1-2 -171505
top average opponent: 1519record: 4-4 new rating: 1505

Grand Prix Yokohama 2019 (modern) starting rating: 1563
round table opponent (rating) result Δrating
1modern 421 Suzuki, Higashi (1500) Lost 1-2 -191544
2modern 926 Ebana, Yusuke (1482) Lost 1-2 -191525
3modern 1153 Yamaguchi, Takahiro (1331) Lost 0-2 -221503
4modern 1165 Sakurai, Hideaki (1444) Lost 0-2 -191484
5modern 1119 Ootomo, Io (1428) Won 2-1 +171501
top average opponent: 1437record: 1-4 new rating: 1501

Grand Prix Shizuoka 2018 (standard) (GRN standard) starting rating: 1603
round table opponent (rating) result Δrating
1standard 357 Zhao, Jin (1581) Won 2-0 +171620
2standard 573 Kawaguchi, Tetsu (1728) Lost 0-2 -161604
3standard 782 Ainai, Taku (1585) Lost 0-2 -181586
4standard 904 Kimura, Ryou (1647) Lost 1-2 -171569
5standard 924 Tobo, Hayato (1498) Won 2-1 +171586
6standard 855 Endoh, Hiroki (1519) Lost 0-2 -201566
7standard 771 Sugimura, Yoshiyasu (1603) Lost 1-2 -171549
8standard 732 Ogsawara, Akira (1328) Won 2-0 +141563
top average opponent: 1561record: 3-5 new rating: 1563

Grand Prix Kobe 2017 (modern) starting rating: 1592
round table opponent (rating) result Δrating
1modern 569 Kakizaki, Ryo (1500) Won 2-1 +171609
2modern 243 Furuse, Noriaki (1424) Lost 0-2 -221587
3modern 726 Stickar, Andres (1500) Won 2-1 +171604
4modern 511 Yamanaka, Shouki (1606) Won 2-1 +181622
5modern 256 Shirahata, Gen (1525) Lost 0-2 -201602
6modern 811 Urase, Ryosuke (1840) Won 2-1 +221624
7modern 452 Kyogoku, Kyosuke (1638) Won 2-1 +191643
8modern 391 Hagiwara, Masakatsu (1608) Lost 1-2 -191624
9modern 398 Suzuki, Keisuke (1444) Lost 0-2 -211603
top average opponent: 1565record: 5-4 new rating: 1603

Grand Prix Shizuoka 2017 (AER standard) starting rating: 1534
round table opponent (rating) result Δrating
1standard 89 Kakihara, Shuichirou (1415) Won 2-1 +161550
2standard 275 Nisi, Ryota (1611) Lost 0-2 -171533
3standard 761 Ueno, Hideto (1296) Won 2-1 +141547
4standard 482 Akase, Daisuke (1452) Lost 0-2 -201527
5standard 987 Sawada, Ryo (1395) Won 2-1 +161543
6standard 735 Fernandez, Marcos Jose (1587) Won 2-0 +191562
7standard 384 Yamamoto, Ryousuke (1515) Lost 1-2 -191543
8standard 598 Karasawa, Ryuichi (1651) Won 2-1 +201563
9standard 375 Mihara, Takuya (1512) Won 2-0 +171580
10standard 406 Zhang, Zhiyang (1747) Lost 0-2 -151565
11standard 369 Imai, Ayato (1717) Won 2-1 +211586
12standard 257 Takahashi, Eiji (1554) Won 2-0 +171603
13standard 190 Tanaka, Kimitaka (1838) Lost 1-2 -141589
14standard 237 Nomiya, Yohei (1649) Won 2-1 +191608
15standard 205 Shiraishi, Masaharu (1711) Lost 1-2 -161592
top average opponent: 1577record: 9-6 new rating: 1592

Grand Prix Tokyo 2016 (SOI standard) starting rating: 1488
round table opponent (rating) result Δrating
1standard 891 Katakai, Masaki (1542) Won 2-0 +191507
2standard 18 Koseki, Daisuke (1592) Won 2-1 +191526
3standard 697 Watanabe, Ryuji (1645) Won 2-1 +201546
4standard 299 Hada, Nobuto (1602) Lost 0-2 -171529
5standard 641 Masuda, Tomohito (1421) Won 2-1 +161545
6standard 193 Kanegawa, Toshiya (1904) Draw 1-1 +71552
7standard 264 Asai, Ikuya (1718) Lost 1-2 -151537
8standard 507 Futami, Yoshiki (1493) Won 2-1 +171554
9standard 355 Kobayashi, Souichi (1471) Lost 0-2 -201534
top average opponent: 1599record: 5-3-1 new rating: 1534

Grand Prix Kobe 2015 (BFZ standard) starting rating: 1443
round table opponent (rating) result Δrating
1standard 645 Tomoya, Furuichi (1500) Won 2-1 +191462
2standard 523 Kobachi, Rikiya (1518) Won 2-0 +191481
3standard 501 Kobayashi, Satoshi (1543) Draw 1-1 +21483
4standard 318 Moriya, Erika (1566) Won 2-1 +191502
5standard 147 Suyama, Takehiko (1517) Won 2-0 +181520
6standard 72 Kitou, Kentarou (1545) Lost 1-2 -171503
7standard 226 Takeda, Harunobu (1664) Lost 0-2 -151488
top average opponent: 1551record: 4-2-1 new rating: 1488

Grand Prix Shizuoka 2015 (KTK limited) starting rating: 1408
round table opponent (rating) result Δrating
1sealed 261 Okano, Toshiya (1588) Won 2-0 +221430
2sealed 43 Yagyu, Masamitsu (1518) Won 2-1 +191449
3sealed 137 Takahashi, Tetsuhiro (1539) Won 2-0 +201469
4sealed 31 Itani, Hiroshi (1581) Lost 1-2 -161453
5sealed 117 Matsumoto, Yuki2978 (1955) Lost 1-2 -101443
top average opponent: 1636record: 3-2 new rating: 1443

Grand Prix Kobe 2014 (modern) starting rating: 1463
round table opponent (rating) result Δrating
1modern 1108 Watanabe, Takefumi (1435) Lost 1-2 -191444
2modern 1057 Mizoshita, Fumiki (1447) Lost 0-2 -171427
3modern 1169 Uchida, Atsushi (1421) Lost 0-2 -191408
top average opponent: 1434record: 0-3 new rating: 1408

Grand Prix Nagoya 2014 (BNG limited) starting rating: 1499
round table opponent (rating) result Δrating
1sealed 38 Honda, Takeshi (1389) Lost 1-2 -201479
2sealed 253 Nishimura, Hitoshi (1484) Won 2-1 +181497
3sealed 301 Sotoyama, Satoru (1482) Lost 1-2 -181479
4sealed 294 Sakai, Toshinori (1585) Lost 0-2 -161463
top average opponent: 1485record: 1-3 new rating: 1463

Grand Prix Yokohama 2013 (GTC limited) starting rating: 1500
round table opponent (rating) result Δrating
1sealed 294 Fujiwara, Kazuto (1386) Lost 1-2 -201480
2sealed 327 Nakahara, Shouya (1482) Won 2-0 +181498
3sealed 212 Pritt, Gary (1503) Won 2-1 +181516
4sealed 222 Yajima, Shouta (1517) Won 2-0 +181534
5sealed 146 Higashiyama, Yoshio (1537) Lost 0-2 -181516
6sealed 263 Kamekawa, Masashi (1578) Lost 0-2 -171499
top average opponent: 1500record: 3-3 new rating: 1499