Sudou, Erika
Current rating: 1349
Record: 11-23
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1380 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 285 | Kawano, Yuuki (1446) | Lost 1-2 | -171363 |
| 2standard | 331 | Yamamoto, Takeshi (1482) | Lost 1-2 | -161347 |
| 3standard | 504 | Hamada, Daiki (1467) | Won 2-0 | +211368 |
| 4standard | 472 | Koshiishi, Tadahito (1473) | Lost 0-2 | -171351 |
| 5standard | 509 | Kitano, Katsuya (1464) | Won 2-0 | +201371 |
| 6standard | 388 | Itani, Shintaro (1588) | Lost 1-2 | -141357 |
| 7standard | 387 | Shiraishi, Hiroaki (1691) | Won 2-0 | +241381 |
| 8standard | 298 | Uesugi, Fumiya (1472) | Lost 0-2 | -161365 |
| 9standard | 280 | Ogino, Takashi (1461) | Lost 0-2 | -161349 |
| top | average opponent: 1505record: 3-6 | new rating: 1349 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1408 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 662 | Sawai, Hiroshi (1517) | Lost 0-2 | -161392 |
| 3sealed | 975 | Nomura, Takeshi (1520) | Won 2-0 | +201412 |
| 4sealed | 871 | Iino, Ryuji (1571) | Lost 0-2 | -151397 |
| 5sealed | 1022 | Hino, Tomoaki (1440) | Lost 1-2 | -171380 |
| top | average opponent: 1512record: 1-3 | new rating: 1380 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1385 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 49 | Kobayashi, Kazuto (1481) | Won 2-0 | +201405 |
| 3standard | 292 | Yamakawa, Hiroaki (1552) | Won 2-0 | +211426 |
| 4standard | 116 | Ootsuka, Yuusuke (1698) | Won 2-1 | +221448 |
| 5standard | 73 | Fukuoka, Sou (1537) | Lost 1-2 | -161432 |
| 6standard | 96 | Sakai, Yuuto (1581) | Lost 1-2 | -151417 |
| 7standard | 215 | Katsubayashi, Nobuhisa (1603) | Lost 1-2 | -151402 |
| 8standard | 362 | Takagi, Kazuki (1473) | Won 2-1 | +191421 |
| 9standard | 267 | Lam, Joe (1682) | Lost 0-2 | -131408 |
| top | average opponent: 1576record: 4-4 | new rating: 1408 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1395 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 98 | Fukuda, Yousuke (1465) | Won 2-1 | +191414 |
| 2standard | 147 | Nakamura, Fumitake (1472) | Lost 0-2 | -171397 |
| 3standard | 137 | Tsujimoto, Susumu (1531) | Lost 1-2 | -161381 |
| 4standard | 294 | Shou K., (1482) | Won 2-0 | +201401 |
| 5standard | 228 | Sasaki, Tsuyoshi (1505) | Lost 1-2 | -161385 |
| top | average opponent: 1491record: 2-3 | new rating: 1385 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 1 | Yokono, Yuusuke (1510) | Lost 0-2 | -171431 |
| 2standard | 361 | Yoshizawa, Toshio (1308) | Won 2-0 | +161447 |
| 3standard | 294 | Shiroma, Takerou (1498) | Lost 0-2 | -171430 |
| 4standard | 327 | Washimi, Kazuo (1425) | Lost 1-2 | -181412 |
| 5standard | 389 | Sugimoto, Kentarou (1463) | Lost 1-2 | -171395 |
| top | average opponent: 1441record: 1-4 | new rating: 1395 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 435 | Moriya, Toshihiko (1582) | Lost 0-2 | -161484 |
| 2extended | 466 | Takeiri, Satoru (1483) | Lost 1-2 | -181466 |
| 3extended | 432 | Araki, Youhei (1495) | Lost 1-2 | -181448 |
| top | average opponent: 1520record: 0-3 | new rating: 1448 | ||