Yuba, Hirofumi
Current rating: 1491
Record: 32-33-1
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 7 | Ozaki, Masaya (1500) | Won 2-0 | +181527 |
| 2sealed | 91 | Toyoda, Kousuke (1469) | Lost 1-2 | -191508 |
| 3sealed | 201 | Mizuguchi, Jun (1385) | Won 2-1 | +161524 |
| 4sealed | 119 | Endou, Yuusuke (1710) | Lost 0-2 | -151509 |
| 5sealed | 283 | Ikebata, Ryou (1492) | Lost 0-2 | -181491 |
| top | average opponent: 1511record: 2-3 | new rating: 1491 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 315 | Kondo, Masahiro (1521) | Lost 0-2 | -191552 |
| 2standard | 378 | Akimoto, Yasuhide (1448) | Lost 0-2 | -201532 |
| 3standard | 545 | Yamazaki, Masaki (1466) | Lost 0-2 | -191513 |
| 4standard | 544 | Yamamoto, Kazuaki (1394) | Won 2-1 | +161529 |
| 5standard | 516 | Gohara, Miyako (1462) | Lost 0-2 | -201509 |
| top | average opponent: 1458record: 1-4 | new rating: 1509 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1564 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 5 | Notake, Shozaburo (1500) | Lost 1-2 | -191545 |
| 2sealed | 394 | Ootake, Takafumi (1524) | Lost 1-2 | -181527 |
| 3sealed | 437 | Nomura, Tomohiro (1464) | Won 2-0 | +171544 |
| 4sealed | 360 | Yuusuke, Morikawa (1481) | Lost 0-2 | -191525 |
| 5sealed | 404 | Fujimoto, Keiji (1444) | Won 2-1 | +161541 |
| 6sealed | 340 | Kaneko, Hiroto (1485) | Won 2-0 | +171558 |
| 7sealed | 248 | Arai, Ikki (1414) | Lost 0-2 | -201538 |
| 8sealed | 346 | Yoshii, Akimi (1477) | Won 2-1 | +161554 |
| 9sealed | 347 | Mituhiro, Tada (1467) | Won 2-0 | +171571 |
| top | average opponent: 1473record: 5-4 | new rating: 1571 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1551 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 228 | Ishikawa, Tsubasa (1482) | Won 2-0 | +171568 |
| 2standard | 306 | Nakamura, Takatoshi (1711) | Lost 0-2 | -151553 |
| 3standard | 445 | Ooba, Hideto (1510) | Won 2-1 | +171570 |
| 4standard | 267 | Gore, Dustin (1445) | Lost 1-2 | -201550 |
| 5standard | 527 | Murakami, Yuusuke (Tokyo) (1500) | Lost 0-2 | -191531 |
| 6standard | 566 | Mori, Masaki (1448) | Won 2-0 | +161547 |
| 7standard | 410 | Kitakaku, Ryouta (1503) | Won 2-0 | +171564 |
| top | average opponent: 1514record: 4-3 | new rating: 1564 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 247 | Tatsuhara, Satoshi (1334) | Won 2-1 | +151504 |
| 3sealed | 189 | Kojima, Kazuaki (1520) | Won 2-1 | +181522 |
| 4sealed | 36 | Hiyoshi, Tatsuhiko (1566) | Won 2-0 | +191541 |
| 5sealed | 27 | Takagi, Yui (1809) | Won 2-1 | +231564 |
| 6sealed | 12 | Tamura, Ryo (1753) | Lost 1-2 | -151549 |
| 7sealed | 31 | Tsuda, Mineyuki (1579) | Draw 1-1 | +11550 |
| 8sealed | 57 | Tezuka, Yo (1578) | Won 2-0 | +181568 |
| 9sealed | 36 | Kobayashi, Takahito (1642) | Lost 1-2 | -171551 |
| top | average opponent: 1598record: 5-2-1 | new rating: 1551 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 158 | Nishimura, Noboru (1529) | Won 2-0 | +191524 |
| 2standard | 144 | Anan, Kazuyoshi (1452) | Won 2-0 | +161540 |
| 3standard | 44 | Yamaguchi, Koutarou (1577) | Lost 0-2 | -171523 |
| 4standard | 134 | Kitani, Ryouta (1488) | Lost 1-2 | -191504 |
| 5standard | 191 | Oosawa, Jun (1476) | Lost 1-2 | -181486 |
| 6standard | 283 | Arita, Ryuichi (1696) | Lost 1-2 | -141472 |
| 7standard | 239 | Yoshida, Shinsuke (1405) | Won 2-0 | +161488 |
| 8standard | 193 | Kikkawa, Shouta (1483) | Won 2-1 | +181506 |
| 9standard | 133 | Nakaoka, Koshiro (1514) | Lost 0-2 | -171489 |
| top | average opponent: 1513record: 4-5 | new rating: 1489 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 232 | Kondou, Keiichi (1576) | Lost 0-2 | -171484 |
| 2extended | 275 | Yamauchi, Takashi (1587) | Won 2-1 | +201504 |
| 3extended | 99 | Iwatsuki, Yoshifumi (1530) | Won 2-1 | +191523 |
| 4extended | 97 | Shimono, Atsushi (1515) | Won 2-1 | +171540 |
| 5extended | 150 | Mii, Masayuki (1540) | Lost 1-2 | -181522 |
| 6extended | 188 | Nakano, Tatsuhito (1575) | Lost 0-2 | -171505 |
| top | average opponent: 1554record: 3-3 | new rating: 1505 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 238 | Tomioka, Keita (1503) | Won 0-0 | +181517 |
| 2sealed | 160 | Katou, Dai (1379) | Won 2-0 | +151532 |
| 3sealed | 18 | Oiso, Masashi (1707) | Lost 0-2 | -151517 |
| 4sealed | 113 | Yoshida, Kouki (1590) | Lost 0-2 | -161501 |
| top | average opponent: 1545record: 2-2 | new rating: 1501 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 196 | hanada, masato (1500) | Won 2-1 | +181535 |
| 2block | 200 | Yamashita, Hidetoshi (1634) | Lost 0-2 | -161519 |
| 3block | 212 | Okuda, Masateru (1418) | Lost 0-2 | -201499 |
| top | average opponent: 1517record: 1-2 | new rating: 1499 | ||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 118 | Mori, Ryouta (1500) | Won 2-0 | +181531 |
| 2sealed | 142 | Fukuta, Shingo (1518) | Won 2-0 | +171548 |
| 3sealed | 21 | Shiozu, Ryouma (1833) | Lost 0-2 | -131535 |
| 4sealed | 102 | Nakamura, Kazuo (1519) | Lost 0-2 | -181517 |
| top | average opponent: 1592record: 2-2 | new rating: 1517 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4block | 63 | Suzuki, Akihisa (1574) | Won 2-0 | +191519 |
| 5block | 50 | Fujita, Tsuyoshi (1939) | Won 2-0 | +261545 |
| 6block | 19 | Nakamura, Shuhei (1638) | Lost 1-2 | -171528 |
| 7block | 31 | Kobayashi, Norihiro (1571) | Won 2-0 | +191547 |
| 8block | 39 | Ikeda, Kei (1633) | Lost 0-2 | -161531 |
| 9block | 101 | Someya, Yu (1541) | Lost 0-2 | -181513 |
| top | average opponent: 1649record: 3-3 | new rating: 1513 | ||