Nishikawa, Seigo
Current rating: 1435
Record: 30-38-1
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 293 | Tashiro, Kyohei (1478) | Lost 1-2 | -181454 |
| 2pioneer | 562 | Katagiri, Kazushi (1658) | Lost 0-2 | -141440 |
| 3pioneer | 823 | Ashizawa, Yoshisato (1280) | Won 2-1 | +151455 |
| 4pioneer | 616 | Tsumori, Shun (1447) | Won 2-1 | +181473 |
| 5pioneer | 520 | Endo, Takuya7968 (1393) | Won 2-0 | +171490 |
| 6pioneer | 341 | Katsuraguchi, Koichi (1521) | Lost 0-2 | -181472 |
| 7pioneer | 450 | Sakaki, Yusuke (1411) | Lost 0-2 | -191453 |
| 8pioneer | 372 | Shiozaki, Ryota (1463) | Lost 1-2 | -181435 |
| top | average opponent: 1456record: 3-5 | new rating: 1435 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 173 | Endoh, Hiroki (1595) | Lost 1-2 | -161463 |
| 4modern | 479 | Mitui, Kenichiro (1423) | Lost 1-2 | -181445 |
| 5modern | 1057 | Yoshidomi, Shuuji (1424) | Won 2-1 | +171462 |
| 6modern | 561 | Kuroda, Masashiro (1889) | Won 2-0 | +261488 |
| 7modern | 427 | Yoshida, Koki (1545) | Won 2-0 | +191507 |
| 8modern | 727 | Kurokawa, Junki (1530) | Lost 1-2 | -181489 |
| 9modern | 362 | Ohkawa, Yusuke (1560) | Lost 1-2 | -171472 |
| top | average opponent: 1567record: 3-4 | new rating: 1472 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 18 | Ukyou, Kazuma (1415) | Won 2-0 | +171520 |
| 4legacy | 119 | Inada, Ryuuma (1446) | Won 2-0 | +161536 |
| 5legacy | 82 | Houseki, Hisayuki (1569) | Lost 1-2 | -171519 |
| 6legacy | 85 | Nakamura, Ryota (1577) | Lost 0-2 | -171502 |
| 7legacy | 391 | Saitou, Ryuuga (1894) | Lost 0-2 | -111491 |
| 8legacy | 580 | Honma, Syo (1519) | Won 2-0 | +181509 |
| 9legacy | 507 | Iwamura, Keisuke (1540) | Won 2-0 | +191528 |
| 10legacy | 187 | Igeta, Hirofumi (1505) | Lost 0-2 | -191509 |
| 11legacy | 349 | Kajihara, Koji (1583) | Draw 1-1 | +21511 |
| 12legacy | 305 | Kwan, Philip (1646) | Lost 0-2 | -161495 |
| 13legacy | 301 | Takahashi, Toshiyuki (1440) | Won 2-0 | +171512 |
| 14legacy | 255 | Maeba, Hideaki (1628) | Lost 0-2 | -161496 |
| 15legacy | 257 | Heshiki, Tomohiro (1552) | Lost 0-2 | -171479 |
| top | average opponent: 1563record: 5-7-1 | new rating: 1479 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 678 | Akai, Satoshi (1636) | Lost 1-2 | -151463 |
| 4legacy | 747 | Ogihara, Reona (1522) | Won 2-1 | +191482 |
| 5legacy | 704 | Maruyama, Unknown (1536) | Won 2-1 | +191501 |
| 6legacy | 583 | Ou, Kaitou (1583) | Won 2-1 | +201521 |
| 7legacy | 543 | Usui, Syou (1492) | Lost 0-2 | -191502 |
| 8legacy | 566 | Inamura, Sachio (1544) | Won 2-1 | +191521 |
| 9legacy | 559 | Funabiki, Yuusuke (1541) | Lost 0-2 | -181503 |
| top | average opponent: 1550record: 4-3 | new rating: 1503 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1457 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 160 | Wen, Chun-Kai (1559) | Won 2-0 | +201477 |
| 2standard | 199 | Suzuki, Gou (1418) | Lost 1-2 | -191458 |
| 3standard | 285 | Chi, Tsai (1434) | Won 2-1 | +181476 |
| 4standard | 226 | Yoshimura, Yutaka (1406) | Lost 1-2 | -201456 |
| 5standard | 456 | Inabu, Yota (1594) | Won 2-0 | +211477 |
| 6standard | 208 | Yuge, Tatsurou (1467) | Lost 0-2 | -181459 |
| 7standard | 356 | Itou, Hayato (1535) | Won 2-0 | +191478 |
| top | average opponent: 1487record: 4-3 | new rating: 1478 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1380 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 92 | Amano, Makoto (1400) | Won 2-0 | +191399 |
| 2modern | 256 | Hozumi, Masashi (1464) | Lost 0-2 | -171382 |
| 3modern | 334 | Sato, Kazuhito (1499) | Won 2-1 | +201402 |
| 4modern | 288 | Okimura, Yosuke (1552) | Won 2-1 | +211423 |
| 5modern | 162 | Kumagai, Riku (1544) | Lost 0-2 | -161407 |
| 6modern | 309 | Fujita, Toshitake (1547) | Won 2-1 | +201427 |
| 7modern | 276 | Nitta, Yuki (1629) | Won 2-0 | +221449 |
| 8modern | 151 | Murata, Toshiaki (1704) | Won 2-0 | +231472 |
| 9modern | 88 | Shimada, Hiroya (1682) | Lost 0-2 | -151457 |
| top | average opponent: 1558record: 6-3 | new rating: 1457 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1408 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 175 | K., Daisuke (1482) | Won 2-0 | +191427 |
| 2extended | 121 | Hirami, Tomonori (1567) | Lost 1-2 | -151412 |
| 3extended | 181 | Ikushima, Yasuyuki (1583) | Lost 0-2 | -151397 |
| 4extended | 282 | K., Tarou (1482) | Lost 0-2 | -171380 |
| top | average opponent: 1529record: 1-3 | new rating: 1380 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1440 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 126 | Eda, Takeshi (1500) | Lost 0-2 | -171423 |
| 2standard | 364 | Ureshino, Tomonari (1482) | Won 2-1 | +191442 |
| 3standard | 274 | Cosic, Refik (1469) | Lost 0-2 | -171425 |
| 4standard | 296 | Shimono, Masashi (1485) | Lost 0-2 | -171408 |
| top | average opponent: 1484record: 1-3 | new rating: 1408 | ||
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 31 | Yamagami, Yudai (1617) | Won 2-0 | +211467 |
| 2extended | 19 | Morisaki, Nobuki (1501) | Lost 1-2 | -171450 |
| 3extended | 80 | Imai, Kimio (1596) | Won 2-1 | +201470 |
| 4extended | 93 | Higaki, Takao (1801) | Lost 1-2 | -121458 |
| 5extended | 146 | Kawaguchi, Yukito (1449) | Lost 1-2 | -181440 |
| top | average opponent: 1593record: 2-3 | new rating: 1440 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 39 | Arakane, Keisuke (1500) | Lost 1-2 | -181482 |
| 2block | 425 | Kobara, Shohei (1482) | Lost 0-2 | -181464 |
| 3block | 607 | Ohnishi, Koji (1464) | Lost 0-2 | -181446 |
| 4block | 620 | Kobayashi, Yoshinori (1446) | Won 2-0 | +181464 |
| 5block | 501 | Ishimoto, Hideyasu (1464) | Lost 1-2 | -181446 |
| top | average opponent: 1471record: 1-4 | new rating: 1446 | ||