Yamamoto, Daichi
Current rating: 1493
Record: 40-43 (GP) / 5-11 (professional)
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 45 | Maij, Rosario (1846) | Lost 0-2 | -121454 |
| 2sealed | 396 | Yamaguchi, Yu (1475) | Won 2-0 | +191473 |
| 3sealed | 244 | Moriya, Jun (1747) | Lost 1-2 | -141459 |
| 4sealed | 465 | Kanehira, Haruki (1450) | Won 2-0 | +181477 |
| 5sealed | 297 | Shoji, Tatsuro (1519) | Won 2-0 | +191496 |
| 6sealed | 309 | Kimura, Shigeki (1465) | Lost 0-2 | -191477 |
| 7sealed | 249 | Morita, Masayuki (1394) | Won 2-0 | +171494 |
| 8sealed | 201 | Usui, Toru (1475) | Lost 0-2 | -181476 |
| 9sealed | 195 | Yokota, Masaaki (1448) | Won 2-1 | +171493 |
| top | average opponent: 1535record: 5-4 | new rating: 1493 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 18 | Takahashi, Ryouhei (1516) | Won 2-1 | +191475 |
| 3standard | 39 | Itou, Kouei (1721) | Won 2-1 | +221497 |
| 4standard | 7 | Kumazaki, Taisuke (1571) | Lost 0-2 | -161481 |
| 5standard | 153 | Akira H., (1492) | Won 2-1 | +181499 |
| 6standard | 107 | Imai, Satoshi (1657) | Lost 1-2 | -151484 |
| 7standard | 102 | Nakayama, Yuuki (1473) | Lost 0-2 | -181466 |
| top | average opponent: 1572record: 3-3 | new rating: 1466 | ||
| Pro Tour San Juan 2010 (Zendikar block) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 79 | Nakano, Yoshitaka (1873) | Lost 0-2 | -111494 |
| 2block | 195 | Sequeira, Goncalo (1526) | Won 2-0 | +181512 |
| 3block | 79 | Mayer, Kenny (1575) | Won 2-0 | +191531 |
| 4block | 42 | Kuo, Tzu-Ching (2003) | Lost 1-2 | -101521 |
| 5block | 96 | Londos, Ludvig (1686) | Lost 1-2 | -151506 |
| 6draft | 59 | Heitzmann, Russell (1683) | Lost 1-2 | -141492 |
| 7draft | 76 | Carrig, William (1491) | Lost 1-2 | -181474 |
| 8draft | 103 | Williams, Luke (1489) | Lost 0-2 | -181456 |
| top | average opponent: 1666record: 2-6 | new rating: 1456 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 217 | Sekimoto, Kandai (1500) | Won 2-1 | +181503 |
| 2extended | 206 | Ito, Atsushi (1718) | Lost 1-2 | -141489 |
| 3extended | 223 | Hayata, Akira (1550) | Lost 0-2 | -171472 |
| 4extended | 421 | Tanaka, Rizumu (1458) | Won 2-1 | +181490 |
| 5extended | 258 | Nishimura, Masaaki (1367) | Won 2-0 | +161506 |
| 6extended | 279 | Ohashi, Gaku (1502) | Lost 0-2 | -181488 |
| 7extended | 238 | Noguchi, Keita (1558) | Lost 0-2 | -171471 |
| 8extended | 101 | Yoshimura, Motoki (1324) | Won 2-0 | +151486 |
| 9extended | 141 | Iwakami, Yuji (1532) | Won 2-1 | +191505 |
| top | average opponent: 1501record: 5-4 | new rating: 1505 | ||
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 93 | Kounoike, Masaki (1554) | Lost 0-2 | -161446 |
| 3sealed | 135 | Shibata, Yuki (1520) | Won 2-0 | +191465 |
| 4sealed | 90 | Kawashima, Yuki (1521) | Lost 0-2 | -171448 |
| 5sealed | 149 | Mizuno, Akimitsu (1289) | Won 2-0 | +151463 |
| 6sealed | 103 | Ide, Katsuhiro (1598) | Won 2-0 | +211484 |
| 7sealed | 92 | Ashikaga, Masatoshi (1603) | Won 2-1 | +201504 |
| 8sealed | 63 | Narumiya, Ryuuma (1465) | Lost 1-2 | -191485 |
| top | average opponent: 1507record: 4-3 | new rating: 1485 | ||
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 81 | Kawai, Hiroki (1517) | Won 2-0 | +181509 |
| 5sealed | 6 | Date, Hiroshi (1564) | Lost 1-2 | -171492 |
| 6sealed | 56 | Takayama, Ryou (1470) | Won 2-1 | +181510 |
| 7sealed | 28 | Kubota, Kenta (1742) | Lost 1-2 | -141496 |
| 8sealed | 71 | Iwakami, Yuji (1547) | Won 2-1 | +191515 |
| 9sealed | 40 | Suzuki, Shoichi (1618) | Won 2-0 | +201535 |
| 10draft | 3 | Nakamura, Yusuke (1652) | Lost 0-2 | -161519 |
| 11draft | 26 | Fujita, Kenichi (1789) | Lost 0-2 | -131506 |
| 12draft | 18 | Fujimoto, Taichi (1806) | Lost 0-2 | -131493 |
| 14draft | 14 | Gotou, Hiroaki (1706) | Lost 0-2 | -141479 |
| 15draft | 39 | Sugiyama, Kenji (1546) | Lost 1-2 | -171462 |
| top | average opponent: 1632record: 4-7 | new rating: 1462 | ||
| Grand Prix Kobe 2009 (extended) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 38 | Suzuki, Takaaki (1732) | Won 2-0 | +231498 |
| 3extended | 62 | Saitou, Kazuya (1487) | Won 2-0 | +171515 |
| 4extended | 13 | Kitabayashi, Nobuyuki (1554) | Lost 0-2 | -171498 |
| 5extended | 49 | Kinoshita, Kentarou (1533) | Lost 0-2 | -171481 |
| 6extended | 103 | Kaida, Hiroshi (1546) | Won 2-1 | +191500 |
| 7extended | 81 | Omonishi, Kojiro (1543) | Won 2-0 | +191519 |
| 8extended | 49 | Ishimura, Shintaro (1897) | Won 2-1 | +241543 |
| 9extended | 32 | Kurakami, Shun (1731) | Lost 0-2 | -141529 |
| 10extended | 21 | Kitayama, Masaya (1925) | Lost 1-2 | -121517 |
| 11extended | 15 | Ikeda, Tsuyoshi (1862) | Lost 0-2 | -111506 |
| 12extended | 17 | Yano, Kunihiro (1613) | Lost 1-2 | -171489 |
| 13extended | 30 | Fujimoto, Yosuke (1551) | Lost 1-2 | -161473 |
| 14extended | 1 | Makino, Yuuichi (1482) | Won 2-0 | +181491 |
| top | average opponent: 1650record: 6-7 | new rating: 1491 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 76 | Okai, Takahiro (1511) | Won 2-0 | +181507 |
| 5sealed | 9 | Takeda, Hiroki (1612) | Won 2-0 | +201527 |
| 6sealed | 89 | Muramatsu, Daisuke (1485) | Lost 0-2 | -191508 |
| 7sealed | 88 | Izumi, Kimiaki (1625) | Lost 1-2 | -161492 |
| 8sealed | 111 | Fukuta, Shingo (1525) | Lost 0-2 | -171475 |
| top | average opponent: 1552record: 2-3 | new rating: 1475 | ||
| Pro Tour Berlin 2008 (extended) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 135 | Fujita, Osamu (1968) | Won 2-0 | +261528 |
| 2extended | 66 | Sittner, Alex (1676) | Won 2-1 | +211549 |
| 3extended | 31 | Dictus, Mark (1729) | Lost 0-2 | -151534 |
| 4extended | 51 | Lundquist, Ben (1756) | Lost 1-2 | -141520 |
| 5extended | 97 | Wienburg, Ben (1570) | Lost 1-2 | -171503 |
| 6extended | 120 | Gimenez, Victor (1585) | Lost 0-2 | -171486 |
| 7extended | 161 | Lee, Ji-Hoon (1694) | Won 2-1 | +221508 |
| 8extended | 121 | Canonici, Jean Baptiste (1427) | Lost 0-2 | -191489 |
| top | average opponent: 1676record: 3-5 | new rating: 1489 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 178 | Akahori, Masaaki (1500) | Lost 0-2 | -181499 |
| 2block | 335 | Maruyama, Shouta (1468) | Won 2-1 | +181517 |
| 3block | 168 | Muraoka, Yuki (1504) | Lost 1-2 | -191498 |
| 4block | 264 | Ozawa, Tetsuya (1532) | Lost 1-2 | -171481 |
| 5block | 313 | Yamano, Tatsuto (1442) | Won 2-1 | +171498 |
| 6block | 251 | Miyata, Hiroaki (1480) | Lost 0-2 | -181480 |
| 7block | 237 | Murata, Akihiro (1467) | Won 2-0 | +181498 |
| 8block | 194 | Fujii, Hajime (1471) | Won 2-1 | +171515 |
| 9block | 145 | Yamamoto, Shouhei (1796) | Lost 0-2 | -131502 |
| top | average opponent: 1518record: 4-5 | new rating: 1502 | ||
| Grand Prix Hiroshima 2006 (CSP limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 110 | Kusakabe, Shuichi (1543) | Lost 0-2 | -171446 |
| 2sealed | 163 | Yanagisawa, Tadahiro (1610) | Won 2-1 | +211467 |
| 3sealed | 130 | Maki, Koichiro (1840) | Won 2-1 | +241491 |
| 4sealed | 77 | Nakazuka, Yuuki (1533) | Won 2-1 | +191510 |
| 5sealed | 59 | Honda, Masaya (1487) | Won 2-0 | +181528 |
| 6sealed | 28 | Hirosawa, Yuuta (1807) | Lost 1-2 | -131515 |
| 7sealed | 22 | Kudo, Koichi (1639) | Won 2-1 | +201535 |
| 8sealed | 74 | Hirashima, Koutarou (1557) | Lost 1-2 | -181517 |
| top | average opponent: 1627record: 5-3 | new rating: 1517 | ||
| Grand Prix Kitakyushu 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 9 | Shoji, Kenta (1465) | Lost 0-2 | -191481 |
| 2extended | 93 | Kai, Hiroyuki (1484) | Lost 0-2 | -181463 |
| 3extended | 105 | Tanaka, Shogo (1481) | Lost 0-2 | -171446 |
| 4extended | 131 | Yamamoto, Takayuki (1383) | Won 2-0 | +171463 |
| 5extended | 120 | Moto, Mitsuo (1459) | Won 2-0 | +181481 |
| 6extended | 90 | Shimizu, Hideaki (1480) | Lost 0-2 | -181463 |
| top | average opponent: 1459record: 2-4 | new rating: 1463 | ||