Tsuda, Seiya
Current rating: 1445
Record: 27-31-3
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 2pioneer | 326 | Yamada, Akinori (1565) | Lost 0-2 | -171461 |
| 3pioneer | 636 | Okada, Yasunori (1467) | Lost 1-2 | -181443 |
| 4pioneer | 761 | Kokawa, Tsunao (1358) | Lost 0-2 | -191424 |
| 5pioneer | 668 | Sonoda, Kenichi (1334) | Won 2-0 | +161440 |
| 6pioneer | 550 | Sugiyama, Yuu (1668) | Won 2-1 | +221462 |
| 7pioneer | 462 | Wakimoto, Syouma (1498) | Lost 0-2 | -171445 |
| top | average opponent: 1482record: 2-4 | new rating: 1445 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 479 | Ogawa, Daiki (1504) | Lost 1-2 | -191513 |
| 3sealed | 930 | Kanetuna, Yoshinori (1582) | Lost 0-2 | -171496 |
| 4sealed | 940 | Kunisada, Shougo (1456) | Lost 1-2 | -181478 |
| top | average opponent: 1514record: 0-3 | new rating: 1478 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 333 | Fukuhara, Yuta (1444) | Won 2-0 | +171522 |
| 2modern | 256 | Yamamoto, Seigo (1517) | Won 2-0 | +181540 |
| 3modern | 264 | Ohmori, Yoshitsugu (1455) | Won 2-0 | +161556 |
| 4modern | 172 | Shimazu, Yoshiki (1660) | Won 2-1 | +201576 |
| 5modern | 127 | Fujii, Yuusaku (1592) | Won 2-0 | +181594 |
| 6modern | 40 | Kashiwagi, Ryohei (1654) | Won 2-1 | +201614 |
| 7modern | 10 | Kimura, Shigeki (1774) | Won 2-0 | +201634 |
| 8modern | 1 | Huang, Tachi (1657) | Lost 0-2 | -171617 |
| 9modern | 70 | Shinohara, Kazuaki (1617) | Lost 1-2 | -181599 |
| 10modern | 160 | Yam, Wing Chun (1863) | Lost 0-2 | -131586 |
| 11modern | 171 | Kaino, Naoki (1556) | Lost 0-2 | -191567 |
| 12modern | 308 | Kawakami, Takehito (1784) | Lost 1-2 | -141553 |
| 13modern | 269 | Kihira, Tomoya (1517) | Lost 1-2 | -191534 |
| 14modern | 259 | Kudo, Amiru (1483) | Won 2-1 | +171551 |
| 15modern | 215 | Kamei, Hidenori (1456) | Lost 0-2 | -191532 |
| top | average opponent: 1602record: 8-7 | new rating: 1532 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 43 | Izumi, Hikaru (1846) | Lost 0-2 | -111468 |
| 2standard | 818 | Watanabe, Masahiro (1463) | Won 2-0 | +181486 |
| 3standard | 918 | Shinya, Takeshi (1488) | Lost 1-2 | -181468 |
| 4standard | 1026 | Watanabe, Takuya (1430) | Won 2-1 | +171485 |
| 5standard | 1021 | Mitui, Kenichiro (1433) | Won 2-1 | +171502 |
| 6standard | 557 | Ueki, Kota (1512) | Won 2-0 | +181520 |
| 7standard | 380 | Hayashi, Yuhei (1528) | Won 2-1 | +181538 |
| 8standard | 213 | Hasegawa, Akira (1699) | Lost 1-2 | -151523 |
| 9standard | 334 | Oku, Yusuke (1359) | Won 2-0 | +151538 |
| 10standard | 390 | Kusakawa, Naoto (1499) | Lost 1-2 | -181520 |
| 11standard | 386 | Ishihara, Masayuki (1446) | Lost 1-2 | -201500 |
| 12standard | 364 | Iwamoto, Nobuyuki (1722) | Lost 1-2 | -141486 |
| 13standard | 339 | Kurikage, Kazuya (1397) | Won 2-0 | +171503 |
| 14standard | 302 | Ichikawa, Sho (1555) | Won 2-0 | +191522 |
| 15standard | 273 | Takeuchi, Akinari (1604) | Lost 0-2 | -171505 |
| top | average opponent: 1532record: 8-7 | new rating: 1505 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 799 | Arai, Yuma (1451) | Won 2-0 | +171521 |
| 2standard | 230 | Nakamura, Yuuta4577 (1518) | Draw 1-1 | 01521 |
| 3standard | 613 | Inami, Yuuki (1387) | Lost 0-2 | -201501 |
| 4standard | 816 | Taniguchi, Hironobu (1435) | Lost 0-2 | -201481 |
| 5standard | 960 | Hagiya, Kouki (1467) | Lost 0-2 | -181463 |
| 6standard | 920 | Mori, Arashi (1462) | Draw 1-1 | 01463 |
| 7standard | 797 | Kase, Koichi (1385) | Lost 1-2 | -191444 |
| 8standard | 684 | Fukuhara, Mitsutaka (1443) | Won 2-1 | +181462 |
| 9standard | 556 | Murase, Atsushi (1443) | Won 2-1 | +171479 |
| top | average opponent: 1443record: 3-4-2 | new rating: 1479 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1072 | Baba, Yuusuke (1500) | Won 2-0 | +181538 |
| 2modern | 820 | Tanaka, Shota (1518) | Won 2-1 | +171555 |
| 3modern | 703 | Tsushima, Tomoya (1712) | Lost 1-2 | -151540 |
| 4modern | 996 | Sekiya, Nobuaki (1520) | Lost 0-2 | -181522 |
| 5modern | 1105 | Mizuno, Ginjiro (1500) | Draw 1-1 | 01522 |
| 6modern | 1028 | Mita, Ryoichi (1553) | Lost 0-2 | -181504 |
| top | average opponent: 1551record: 2-3-1 | new rating: 1504 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 348 | Ohbayashi, Naoki (1519) | Won 2-0 | +181518 |
| 2standard | 224 | Keita T., (1596) | Won 2-1 | +201538 |
| 3standard | 266 | Andou, Koutarou (1751) | Won 2-1 | +221560 |
| 4standard | 64 | Usukura, Takumi (1500) | Won 2-1 | +171577 |
| 5standard | 14 | Park, Hyun-myung (1518) | Lost 1-2 | -201557 |
| 6standard | 84 | Ishiguro, Youhei (1525) | Lost 0-2 | -181539 |
| 7standard | 341 | Kawahama, Yoshikazu (1502) | Lost 1-2 | -191520 |
| top | average opponent: 1559record: 4-3 | new rating: 1520 | ||