Chiba, Shouhei
Current rating: 1444
Record: 26-34-1
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1387 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 493 | Oguri, Hiroki (1394) | Lost 0-2 | -181369 |
| 2legacy | 400 | Tsuchida, Yoshitaka (1519) | Won 2-1 | +211390 |
| 3legacy | 527 | Sugiura, Hiroki (1569) | Won 2-1 | +211411 |
| 4legacy | 413 | Yamakawa, Hiroaki (1557) | Won 2-1 | +211432 |
| 5legacy | 104 | Naitou, Yohei (1554) | Won 2-1 | +201452 |
| 6legacy | 152 | Goshima, Akito (1707) | Lost 1-2 | -131439 |
| 7legacy | 155 | Takano, Shigeki (1669) | Lost 0-2 | -141425 |
| 8legacy | 218 | Gouda, Kento (1513) | Won 2-0 | +191444 |
| top | average opponent: 1560record: 5-3 | new rating: 1444 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1408 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 357 | Hashizume, Nobuyuki (1638) | Lost 1-2 | -141394 |
| 2sealed | 687 | Iimura, Yuta (1484) | Lost 0-2 | -161378 |
| 3sealed | 1081 | Ito, Kazuhiro (1488) | Won 2-1 | +201398 |
| 4sealed | 950 | Ishino, Katsunori (1487) | Won 2-1 | +201418 |
| 5sealed | 718 | Sonoda, Naohiro (1525) | Lost 1-2 | -161402 |
| 6sealed | 939 | Oohashi, Keisuke (1598) | Lost 0-2 | -151387 |
| top | average opponent: 1537record: 2-4 | new rating: 1387 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 221 | Katou, Akihiko (1500) | Lost 1-2 | -171441 |
| 2legacy | 747 | Iwasaki, Keita (1482) | Won 2-0 | +191460 |
| 3legacy | 889 | Suzuki, Kouichirou (1447) | Won 2-1 | +171477 |
| 4legacy | 756 | Yamazaki, Takashi (1514) | Lost 0-2 | -171460 |
| 5legacy | 674 | Tatematsu, Yuichi (1459) | Lost 0-2 | -181442 |
| 6legacy | 804 | Hosoya, Masaki (1491) | Lost 0-2 | -171425 |
| 7legacy | 957 | Ookata, Akihiro (1496) | Lost 0-2 | -171408 |
| top | average opponent: 1484record: 2-5 | new rating: 1408 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 324 | Nagao, Shunsuke (1535) | Won 2-0 | +191469 |
| 3sealed | 33 | Tanabe, Kohei (1531) | Lost 1-2 | -171452 |
| 4sealed | 625 | Mori, Hisayuki (1475) | Lost 0-2 | -171435 |
| 5sealed | 911 | Ishii, Takuya (1518) | Lost 1-2 | -171418 |
| 6sealed | 920 | Tokeshi, Hiroki (1480) | Won 2-0 | +201438 |
| 7sealed | 774 | Yamaguchi, Mari (1500) | Won 2-0 | +191457 |
| 8sealed | 544 | Takahashi, Taro (1467) | Won 2-0 | +181475 |
| 9sealed | 288 | Morita, Takanori (1543) | Lost 0-2 | -171458 |
| top | average opponent: 1506record: 4-4 | new rating: 1458 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1392 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 251 | Inoue, Shinta (1598) | Lost 0-2 | -141378 |
| 3sealed | 486 | Komine, Syunsuke (1464) | Won 2-0 | +201398 |
| 4sealed | 286 | Hanaoka, Shinichiro (1545) | Won 2-1 | +201418 |
| 5sealed | 240 | Takami, Yuta7701 (1504) | Won 2-1 | +201438 |
| 6sealed | 57 | Yamada, Masato1566 (1491) | Won 2-0 | +191457 |
| 7sealed | 24 | Nitta, Yuki (1769) | Lost 1-2 | -131444 |
| 8sealed | 139 | Higashimori, Kazunori (1535) | Lost 1-2 | -161428 |
| 9sealed | 119 | Yoon, Sang-Woong (1645) | Won 2-0 | +221450 |
| top | average opponent: 1569record: 5-3 | new rating: 1450 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1442 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 526 | Andou, Masatsugu (1500) | Won 2-0 | +191461 |
| 2legacy | 684 | Nagae, Nobuyasu (1543) | Lost 0-2 | -171444 |
| 3legacy | 736 | Kase, Masahito (1499) | Lost 0-2 | -171427 |
| 4legacy | 878 | Yokumichi, Jun (1451) | Lost 0-2 | -171410 |
| 5legacy | 894 | Aoyama, Norimichi (1446) | Lost 0-2 | -181392 |
| top | average opponent: 1488record: 1-4 | new rating: 1392 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1410 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 659 | Takahashi, Nozomu (1623) | Lost 0-2 | -141396 |
| 3sealed | 902 | Nomura, Hidehiro (1554) | Lost 1-2 | -151381 |
| 4sealed | 989 | Matsuki, Takashi (1560) | Lost 1-2 | -151366 |
| 5sealed | 1029 | Tokura, Mikihiro (1411) | Won 2-1 | +191385 |
| 6sealed | 945 | Sotomura, Yoshihiro (1485) | Won 2-0 | +201405 |
| 7sealed | 842 | Kubo, Yuta (1427) | Won 2-0 | +181423 |
| 8sealed | 796 | Asami, Masakazu (1408) | Won 2-1 | +181441 |
| 9sealed | 722 | Shirakihara, Ryuuichi (1468) | Draw 1-1 | +11442 |
| top | average opponent: 1492record: 4-3-1 | new rating: 1442 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 87 | Sone, Shuhei (1521) | Won 2-0 | +191482 |
| 2sealed | 183 | Oshima, Takafumi (1575) | Lost 0-2 | -171465 |
| 3sealed | 239 | Mcmillin, Sarah (1499) | Lost 1-2 | -171448 |
| 4sealed | 360 | Matsushima, Kouji (1487) | Lost 0-2 | -171431 |
| 5sealed | 340 | Nakayama, Satomi (1411) | Lost 0-2 | -191412 |
| 6sealed | 306 | Yamaguchi, Kyohei (1380) | Won 2-0 | +181430 |
| 7sealed | 258 | Teshima, Hisanori (1365) | Lost 1-2 | -191411 |
| 8sealed | 220 | Sashida, Tomoro (1406) | Won 2-0 | +181429 |
| 9sealed | 183 | Nakada, Shogo (1422) | Lost 0-2 | -191410 |
| top | average opponent: 1452record: 3-6 | new rating: 1410 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 338 | Murao, Masaaki (1463) | Lost 0-2 | -191481 |
| 2sealed | 409 | Bruner, Nathan (1448) | Lost 1-2 | -181463 |
| top | average opponent: 1455record: 0-2 | new rating: 1463 | ||