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Obata, Koji
Current rating: 1486

Grand Prix Shizuoka 2018 (legacy) (legacy) starting rating: 1447
round table opponent (rating) result Δrating
1legacy 121 Wong, Alfred (1409) Lost 0-2 -181429
2legacy 536 Ukyou, Kazuma (1378) Won 2-0 +171446
3legacy 373 Ikeda, Takeshi (1463) Won 2-1 +181464
4legacy 185 Koseki, Kouta (1609) Lost 0-2 -151449
5legacy 350 Yanai, Ryosaku (1407) Lost 1-2 -191430
6legacy 521 Shagla-McKotch, Alexander (1518) Won 2-1 +201450
7legacy 302 Yagi, Yohei (1501) Won 2-0 +191469
8legacy 305 Colobong, John (1417) Won 2-1 +171486
top average opponent: 1463record: 5-3 new rating: 1486

Grand Prix Chiba 2016 (legacy) starting rating: 1412
round table opponent (rating) result Δrating
1legacy 171 Hayase, Fumihiko (1454) Lost 0-2 -181394
2legacy 824 Yazu, Yasuhiro (1448) Lost 1-2 -171377
3legacy 1127 Fujimori, Yuki (1407) Won 2-0 +191396
4legacy 1004 Uchiyama, Hiroshi (1479) Won 2-1 +201416
5legacy 677 Date, Tsutomu (1509) Won 2-1 +191435
6legacy 480 Horikoshi, Takayuki (1684) Won 2-1 +231458
7legacy 393 Yoshimori, Sho (1764) Lost 1-2 -131445
8legacy 571 Lizaso Legarda, Hasier (1520) Won 2-0 +191464
9legacy 284 Sugiyama, Fumikazu (1516) Lost 0-2 -171447
top average opponent: 1531record: 5-4 new rating: 1447

Grand Prix Kyoto 2015 (legacy) starting rating: 1382
round table opponent (rating) result Δrating
1legacy 606 Satou, Yuuya (1459) Won 2-1 +191401
2legacy 588 Hamada, Teppei (1463) Lost 0-2 -171384
3legacy 750 Sasahara, Yasutaka (1498) Won 2-1 +201404
4legacy 781 Yamada, Yosuke (1430) Won 2-1 +191423
5legacy 597 Muramatsu, Yasuhiro (1292) Won 2-1 +161439
6legacy 604 Asanuma, Hodaka (1554) Won 2-1 +201459
7legacy 545 Sugita, Daichi (1654) Lost 1-2 -151444
8legacy 613 Takenaka, Takumi (1521) Lost 0-2 -161428
9legacy 655 Yamagishi, Yuuki (1544) Lost 0-2 -161412
top average opponent: 1490record: 5-4 new rating: 1412

Grand Prix Nagoya 2014 (BNG limited) starting rating: 1389
round table opponent (rating) result Δrating
1sealed 714 Itou, Satoru (1500) Lost 0-2 -161373
2sealed 845 Sekiguchi, Dan (1465) Lost 0-2 -161357
3sealed 915 Uchimura, Takahiko (1477) Lost 0-2 -161341
4sealed 901 Deguchi, Takahiro (1439) Won 2-0 +201361
5sealed 837 Aoki, Hisashi (1464) Won 2-0 +201381
6sealed 788 Nakamura, Kouki (1346) Lost 1-2 -191362
7sealed 761 Andou, Makoto (1463) Lost 0-2 -161346
8sealed 722 Yokomizo, Gouki (1333) Won 2-0 +181364
9sealed 676 Yamamoto, Kazuhide (1381) Won 2-0 +181382
top average opponent: 1430record: 4-5 new rating: 1382

Grand Prix Yokohama 2013 (GTC limited) starting rating: 1438
round table opponent (rating) result Δrating
1sealed 911 Ozawa, Takahiro (1653) Lost 1-2 -141424
2sealed 1011 Yoshida, Kazuhiro 950 (1481) Lost 0-2 -171407
3sealed 1098 Liu, Keun-Lin (1432) Lost 1-2 -181389
top average opponent: 1522record: 0-3 new rating: 1389

Grand Prix Nagoya 2012 (RTR standard) starting rating: 1448
round table opponent (rating) result Δrating
1standard 326 Hasegawa, Tomohiro (1500) Won 2-0 +191467
2standard 141 Nishiwaki, Yousuke (1425) Lost 0-2 -191448
3standard 395 Utsumi, Hironobu (1423) Won 2-1 +171465
4standard 256 Kushibe, Toshiki (1613) Lost 0-2 -151450
5standard 551 Fujimori, Masayoshi (1533) Won 2-1 +201470
6standard 327 Tanaka, Hiroshi (1575) Draw 1-1 +21472
7standard 375 Itani, Shintaro (1523) Lost 0-1 -181454
8standard 379 Inagaki, Ryou (1523) Lost 0-2 -161438
top average opponent: 1514record: 3-4-1 new rating: 1438

Grand Prix Yokohama 2012 (modern) starting rating: 1500
round table opponent (rating) result Δrating
1modern 104 Kobori, Masaaki (1471) Lost 0-2 -191481
2modern 575 Yamamoto, Kazuhiro (1410) Won 2-0 +171498
3modern 538 Hayashi, Hiroki (1703) Lost 0-2 -141484
4modern 559 Ichio, Takahito (1482) Lost 0-2 -181466
5modern 628 Taro, Ito (1461) Lost 0-2 -181448
top average opponent: 1505record: 1-4 new rating: 1448