Nakazuka, Yuuki
Current rating: 1551
Record: 35-39-3
| Grand Prix Yokohama 2010 (extended) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 292 | Kotaka, Hiroki (1500) | Won 2-1 | +191448 |
| 2extended | 201 | Furuya, Shinichi (1429) | Won 2-1 | +181466 |
| 3extended | 139 | Nakada, Masamitsu (1538) | Won 2-1 | +191485 |
| 4extended | 91 | Shiozu, Ryouma (1861) | Lost 1-2 | -121473 |
| 5extended | 160 | Kobori, Masaaki (1507) | Won 2-0 | +191492 |
| 6extended | 60 | Hasegawa, Baku (1493) | Won 2-1 | +181510 |
| 7extended | 64 | Dan, Takuya (1656) | Won 2-0 | +211531 |
| 8extended | 109 | Yamashita, Hidetoshi (1742) | Won 2-0 | +221553 |
| 9extended | 13 | Park, Bong-Jin (1614) | Won 2-1 | +191572 |
| 10extended | 6 | Ishihara, Takashi (1704) | Lost 0-2 | -161556 |
| 11extended | 22 | Yoshimori, Sho (1723) | Won 2-1 | +211577 |
| 12extended | 13 | Iwasaki, Yuusuke (1886) | Lost 1-2 | -121565 |
| 13extended | 15 | Itou, Motoaki (1652) | Lost 0-2 | -171548 |
| 14extended | 39 | Takahashi, Kenta (1496) | Lost 1-2 | -191529 |
| 15extended | 42 | Hamamoto, Kenji (1735) | Won 2-0 | +221551 |
| top | average opponent: 1636record: 10-5 | new rating: 1551 | ||
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 38 | Horita, Tetsuya (1500) | Won 2-0 | +181479 |
| 2sealed | 39 | Akaike, Yo (1547) | Lost 1-2 | -161463 |
| 3sealed | 152 | Okuda, Masateru (1534) | Lost 0-2 | -171446 |
| 4sealed | 188 | Miyazaki, Shouta (1482) | Lost 1-2 | -171429 |
| top | average opponent: 1516record: 1-3 | new rating: 1429 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1421 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 20 | Yamamoto, Akimasa (1717) | Lost 0-2 | -131408 |
| 5sealed | 62 | Fujii, Toshikazu (1486) | Won 2-0 | +191427 |
| 6sealed | 126 | Ohata, Hiroyuki (1527) | Won 2-0 | +201447 |
| 7sealed | 45 | Morita, Masahiko (2039) | Lost 1-2 | -81439 |
| 8sealed | 120 | Ushie, Yuuta (1662) | Won 2-0 | +221461 |
| top | average opponent: 1686record: 3-2 | new rating: 1461 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 4block | 84 | Fujii, Hidekazu (1629) | Won 2-1 | +211488 |
| 5block | 25 | Inanaga, Nobuyuki (1611) | Lost 1-2 | -161472 |
| 6block | 56 | Juumonji, Tarou (1506) | Lost 0-2 | -171455 |
| 7block | 142 | Fujimori, Masayoshi (1530) | Lost 0-2 | -171438 |
| 8block | 165 | Nitta, Yuki (1475) | Lost 0-2 | -171421 |
| top | average opponent: 1550record: 1-4 | new rating: 1421 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1419 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 59 | Suzuki, Yasutomo (1557) | Won 2-1 | +201439 |
| 3standard | 58 | Matumura, Kyohei (1562) | Lost 0-2 | -151424 |
| 4standard | 174 | Hada, Atsushi (1478) | Won 2-0 | +191443 |
| 5standard | 61 | Iitoi, Fumiaki (1481) | Lost 0-2 | -181425 |
| 6standard | 216 | Matsuoka, Takayuki (1502) | Lost 0-2 | -161409 |
| 7standard | 61 | Inoue, Kouichi (1499) | Won 2-0 | +191428 |
| 8standard | 185 | kishimoto, tatsuya (1510) | Won 2-0 | +201448 |
| 9standard | 52 | Kato, Akinori (1501) | Won 2-0 | +191467 |
| top | average opponent: 1511record: 5-3 | new rating: 1467 | ||
| Grand Prix Kitakyushu 2007 (LRW limited) | starting rating: 1459 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 9 | Mori, Katsuhiro (2025) | Lost 0-2 | -91450 |
| 5sealed | 64 | Maeda, Kentaro (1483) | Lost 0-2 | -171433 |
| 6sealed | 80 | Katayama, Hidenori (1653) | Lost 0-2 | -141419 |
| top | average opponent: 1721record: 0-3 | new rating: 1419 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 91 | Kawaguchi, Akifumi (1535) | Lost 0-2 | -171457 |
| 3standard | 202 | Yorita, Masashi (1470) | Lost 1-2 | -181439 |
| 4standard | 338 | Oonishi, Yuusuke (1433) | Won 2-1 | +181457 |
| 5standard | 280 | Nagao, Takuya (1501) | Won 2-0 | +191476 |
| 6standard | 183 | Nishimura, Takuya (1523) | Lost 0-2 | -171459 |
| top | average opponent: 1492record: 2-3 | new rating: 1459 | ||
| Grand Prix Hiroshima 2006 (CSP limited) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 72 | Furujou, Takashi (1455) | Won 2-0 | +171532 |
| 2sealed | 30 | Kusakabe, Shuichi (1560) | Lost 1-2 | -171515 |
| 3sealed | 107 | Koshiba, Norihiko (1531) | Won 2-1 | +181533 |
| 4sealed | 77 | Yamamoto, Daichi (1491) | Lost 1-2 | -191514 |
| 5sealed | 101 | Ootsuka, Hitoki (1501) | Lost 0-2 | -181496 |
| 6sealed | 123 | Tanabe, Kazuya (1280) | Lost 0-2 | -221474 |
| top | average opponent: 1469record: 2-4 | new rating: 1474 | ||
| Grand Prix Kitakyushu 2005 (extended) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 18 | Hayashi, Tetsuya (1518) | Won 2-0 | +181525 |
| 3extended | 9 | Sutou, Takuo (1632) | Lost 0-2 | -161509 |
| 4extended | 84 | Hirai, Kenta (1580) | Lost 1-2 | -171492 |
| 5extended | 93 | Urano, Tomohisa (1484) | Won 2-1 | +181510 |
| 6extended | 75 | Komuro, Shuu (1839) | Won 2-0 | +241534 |
| 7extended | 50 | Takeuchi, Ryota (1509) | Lost 0-2 | -191515 |
| top | average opponent: 1594record: 3-3 | new rating: 1515 | ||
| Grand Prix Matsuyama 2005 (BOK limited) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 38 | Nishioka, Kazuya (1435) | Lost 0-2 | -181450 |
| 2sealed | 124 | Yasukawa, Kazuhide (1382) | Draw 1-1 | -21448 |
| 3sealed | 147 | Katsuta, Souichi (1562) | Won 2-1 | +211469 |
| 4sealed | 136 | Hiraishi, Teruyuki (1467) | Won 2-0 | +171486 |
| 5sealed | 97 | Mori, Takashi (1509) | Won 2-0 | +191505 |
| 6sealed | 66 | Imori, Takahiro (1600) | Draw 1-1 | +21507 |
| top | average opponent: 1493record: 3-1-2 | new rating: 1507 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 114 | Yamashita, Kouhei (1500) | Lost 0-2 | -181505 |
| 3standard | 177 | Kato, Tatsuya (1499) | Lost 1-2 | -181487 |
| 4standard | 401 | Inuzuka, Takahiro (1468) | Lost 1-2 | -191468 |
| top | average opponent: 1489record: 0-3 | new rating: 1468 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 25 | Nakamura, Sou (1500) | Won 2-1 | +181518 |
| 5extended | 16 | Fujita, Osamu (2045) | Lost 0-2 | -91509 |
| 6extended | 23 | Tsuno, Fuminori (1506) | Won 2-1 | +181527 |
| 7extended | 16 | Arita, Ryuichi (1687) | Lost 0-2 | -151512 |
| 8extended | 52 | Hojo, Naomasa (1685) | Won 2-0 | +211533 |
| 9extended | 19 | Yokoyama, Tadashi (1782) | Lost 0-2 | -141519 |
| 10extended | 6 | Shikata, Nobuaki (1623) | Draw 1-1 | +21521 |
| 11extended | 28 | Tsujimoto, Hideki (1658) | Won 2-0 | +211542 |
| 12extended | 4 | Kai, Tsubasa (1520) | Lost 1-2 | -191523 |
| 13extended | 23 | Motoyama, Kazuhiko (1512) | Lost 0-2 | -181505 |
| 14extended | 25 | Kawasaki, Yasuhiro (1513) | Won 2-1 | +181523 |
| top | average opponent: 1639record: 5-5-1 | new rating: 1523 | ||