Nishiwaki, Akito
Current rating: 1551
Record: 32-29-1
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1601 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 71 | Higashimori, Kazunori (1520) | Lost 1-2 | -191582 |
| 2sealed | 651 | Mori, Takeshi (1569) | Lost 1-2 | -181564 |
| 3sealed | 1125 | Kimura, Akihiro (1464) | Won 2-0 | +161580 |
| 4sealed | 1159 | Ono, Daisuke (1298) | Won 2-0 | +131593 |
| 5sealed | 600 | Oguri, Hiroki (1411) | Lost 1-2 | -211572 |
| 6sealed | 1012 | Shibuya, Hikaru (1451) | Lost 1-2 | -211551 |
| top | average opponent: 1452record: 2-4 | new rating: 1551 | ||
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 17 | Watanabe, Yasuhiro (1500) | Won 2-0 | +171571 |
| 2sealed | 98 | Yanaseko, Kentarou (1544) | Won 2-1 | +171588 |
| 3sealed | 6 | Nakamura, Yusuke (1674) | Won 2-1 | +201608 |
| 4sealed | 18 | Ozawa, Takeshi (1650) | Lost 0-2 | -171591 |
| 5sealed | 95 | Omori, Tomoaki (1762) | Won 2-1 | +211612 |
| 6sealed | 63 | Hirayama, Atsushi (1479) | Lost 1-2 | -211591 |
| 7sealed | 108 | Watabe, Kazunori (1454) | Won 2-1 | +161607 |
| 8sealed | 35 | Kawano, Junya (1678) | Won 2-0 | +191626 |
| 9draft | 32 | Ootsuka, Koutarou (2132) | Won 2-1 | +271653 |
| 10draft | 6 | Kubouchi, Naoki (1763) | Lost 0-2 | -161637 |
| 11draft | 24 | Kim, Cynic (1731) | Lost 0-2 | -171620 |
| 12draft | 34 | Sawada, Ken (1589) | Lost 1-2 | -181602 |
| 13draft | 29 | Seki, Keita (1661) | Won 2-1 | +191621 |
| 14draft | 5 | Juumonji, Tarou (1549) | Lost 1-2 | -201601 |
| top | average opponent: 1655record: 8-6 | new rating: 1601 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 205 | Suzuki, Masahiro (1484) | Won 2-0 | +171552 |
| 2block | 168 | Yamamoto, Shouhei (1850) | Lost 1-2 | -131539 |
| 3block | 283 | Sugimoto, Hiroaki (1505) | Won 2-1 | +181557 |
| 4block | 212 | Kumagai, Hiroaki (1459) | Won 2-0 | +161573 |
| 5block | 165 | Matsumura, Takehiko (1413) | Lost 0-2 | -211552 |
| 6block | 117 | Aiba, Takashi (1521) | Won 2-1 | +171569 |
| 7block | 139 | Sato, Rei (1695) | Lost 0-2 | -151554 |
| top | average opponent: 1561record: 4-3 | new rating: 1554 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 107 | Masuyama, Takuya (1482) | Draw 1-1 | -11554 |
| 2standard | 217 | Tatsuhara, Satoshi (1498) | Won 2-1 | +171571 |
| 3standard | 125 | Moriya, Jun (1542) | Lost 0-2 | -181553 |
| 4standard | 265 | Takemoto, Hiroshi (1571) | Lost 0-2 | -181535 |
| top | average opponent: 1523record: 1-2-1 | new rating: 1535 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 163 | Harada, Satoshi (1700) | Won 2-1 | +201572 |
| 3standard | 97 | Yamamoto, Shohei (1495) | Won 2-1 | +171589 |
| 4standard | 61 | Mihara, Makihito (1779) | Lost 0-2 | -151574 |
| 5standard | 105 | Esaki, Keisuke (1522) | Lost 0-2 | -191555 |
| top | average opponent: 1624record: 2-2 | new rating: 1555 | ||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 134 | Ito, Yuichi (1564) | Won 2-1 | +191537 |
| 2sealed | 22 | Mukuno, Yuuji (1611) | Lost 1-2 | -171520 |
| 3sealed | 212 | Morikawa, Yoshimi (1372) | Won 2-0 | +151535 |
| 4sealed | 77 | Nonaka, Kentarou (1486) | Won 2-1 | +181553 |
| 5sealed | 104 | Lee, Sang-Ryeol (1517) | Won 2-1 | +171570 |
| 6sealed | 60 | Sakai, Yasuki (1556) | Won 2-0 | +181588 |
| 7sealed | 23 | Sugiki, Takafumi (1626) | Lost 1-2 | -181570 |
| 8sealed | 59 | Hirose, Yuuki (1533) | Lost 0-2 | -181552 |
| top | average opponent: 1533record: 5-3 | new rating: 1552 | ||
| Grand Prix Sapporo 2002 (Odyssey block) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 77 | Hamaya, Takashi (1500) | Won 2-1 | +181540 |
| 2block | 104 | Koyama, Shohei (1503) | Won 2-1 | +171557 |
| 3block | 26 | Murase, Yukiyoshi (1502) | Lost 1-2 | -191538 |
| 4block | 71 | Baba, Yasunori (1511) | Won 2-0 | +181556 |
| 5block | 46 | Takakuwa, Minoru (1520) | Won 2-0 | +171573 |
| 6block | 29 | Tanaka, Kenji (1559) | Lost 1-2 | -181555 |
| 7block | 90 | Saitou, Hidetaka (1535) | Lost 1-2 | -191536 |
| 8block | 45 | Kubota, Junji (1520) | Lost 0-2 | -181518 |
| top | average opponent: 1519record: 4-4 | new rating: 1518 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 146 | Mikami, Iesato (1500) | Won 2-0 | +181518 |
| 2sealed | 89 | Umemiya, Tatsuya (1521) | Won 2-1 | +181536 |
| 3sealed | 76 | Onoda, Michihisa (1764) | Lost 0-2 | -141522 |
| 4sealed | 182 | Sawada, Ryosuke (1509) | Lost 0-2 | -181504 |
| 5sealed | 223 | Enomoto, Shigehiro (1519) | Won 2-1 | +181522 |
| top | average opponent: 1562record: 3-2 | new rating: 1522 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 353 | Tabira, Kosuke (1500) | Won 2-0 | +181518 |
| 2block | 262 | Saida, Mutsuki (1447) | Won 2-0 | +171535 |
| 3block | 41 | Morita, Katsunobu (1551) | Won 2-0 | +181553 |
| 4block | 47 | Ito, Kenta (1517) | Lost 0-2 | -191534 |
| 5block | 96 | Takeda, Hideo (1643) | Lost 1-2 | -161518 |
| 6block | 300 | Saika, Tadahiro (1500) | Lost 0-2 | -181500 |
| top | average opponent: 1526record: 3-3 | new rating: 1500 | ||