Kasahara, Yuuki
Current rating: 1514
Record: 32-35-5
| Grand Prix Yokohama 2012 (modern) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 221 | Kawachi, Katsuya (1500) | Lost 1-2 | -191502 |
| 2modern | 496 | Miyasaka, Sho (1460) | Lost 1-2 | -191483 |
| 3modern | 665 | Hashimoto, Kouichi (1342) | Won 2-0 | +161499 |
| 4modern | 563 | Yamamoto, Kazuhiro (1413) | Won 2-0 | +161515 |
| 5modern | 555 | Tamai, Hideaki (1503) | Won 2-0 | +181533 |
| 6modern | 336 | Toriuchi, Daizo (1459) | Lost 0-2 | -191514 |
| top | average opponent: 1446record: 3-3 | new rating: 1514 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1576 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 88 | Obara, Kentarou (1521) | Lost 0-2 | -191557 |
| 3extended | 156 | Ariyoshi, Daisuke (1565) | Won 2-1 | +181575 |
| 4extended | 206 | Tagomori, Shou (1668) | Lost 1-2 | -171558 |
| 5extended | 242 | Hayashi, Yuusuke (1499) | Lost 0-2 | -191539 |
| 6extended | 213 | Katamine, Kentarou (1496) | Lost 0-2 | -181521 |
| top | average opponent: 1550record: 1-4 | new rating: 1521 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1435 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 186 | Kondo, Hirotsugu (1484) | Won 2-0 | +191454 |
| 2standard | 73 | Kazahari, Masaru (1517) | Lost 0-2 | -171437 |
| 3standard | 194 | Ida, Takamasa (1443) | Won 2-0 | +181455 |
| 4standard | 202 | Aoki, Satoshi (1478) | Won 2-0 | +191474 |
| 5standard | 110 | Kurakami, Shun (1646) | Won 2-0 | +211495 |
| 6standard | 78 | Tasaki, Ryo (1695) | Lost 1-2 | -151480 |
| 7standard | 145 | Fukumoto, Hiroaki (1589) | Won 2-0 | +201500 |
| 8standard | 85 | Takeda, Harunobu (1560) | Won 2-1 | +191519 |
| 9standard | 59 | Suzuki, Kyou (1680) | Won 2-0 | +211540 |
| 10standard | 41 | Suzuki, Taiki (1736) | Won 2-1 | +221562 |
| 11standard | 30 | Tamada, Ryoichi (1678) | Won 2-1 | +201582 |
| 12standard | 17 | Uchida, Yuki (1612) | Lost 0-2 | -181564 |
| 13standard | 26 | Kurihara, Shingou (1885) | Won 2-1 | +241588 |
| 14standard | 14 | Fujita, Osamu (1899) | Lost 0-2 | -121576 |
| 15standard | 19 | Takanashi, Kouji (1701) | ID | 01576 |
| top | average opponent: 1640record: 10-4-1 | new rating: 1576 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1403 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 31 | Osaki, Fumihiko (1500) | Won 2-1 | +201423 |
| 2extended | 234 | Takayama, Ryou (1428) | Won 2-0 | +181441 |
| 3extended | 83 | Kitagawa, Tomoaki (1576) | Won 2-1 | +211462 |
| 4extended | 85 | Wang, Ming Chee (1662) | Lost 0-2 | -151447 |
| 5extended | 199 | Ogawa, Hiroyuki (1552) | Won 2-0 | +201467 |
| 6extended | 87 | Kimura, Kazuaki (1665) | Lost 1-2 | -141453 |
| 7extended | 123 | Umehara, Kei (1469) | Lost 1-2 | -181435 |
| top | average opponent: 1550record: 4-3 | new rating: 1435 | ||
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 247 | Inoue, Masanao (1500) | Lost 0-2 | -171434 |
| 2sealed | 241 | Murakami, Norichika (1642) | Lost 0-2 | -141420 |
| 3sealed | 262 | Yagi, Hiroyuki (1500) | Lost 0-2 | -171403 |
| top | average opponent: 1547record: 0-3 | new rating: 1403 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 219 | Akita, Naoto (1450) | Lost 0-0 | -191488 |
| 2sealed | 202 | Oohashi, Toshiya (1487) | Lost 0-2 | -181470 |
| 3sealed | 270 | Takeda, Shinya (1448) | Lost 1-2 | -191451 |
| top | average opponent: 1462record: 0-3 | new rating: 1451 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 69 | Ehara, Yoshihide (1561) | Won 2-1 | +191502 |
| 3standard | 118 | Yotsumoto, Yuki (1634) | Won 2-1 | +201522 |
| 4standard | 33 | Miyashita, Kazuki (1569) | Lost 1-2 | -171505 |
| 5standard | 56 | Date, Norikuni (1509) | Won 2-1 | +181523 |
| 6standard | 83 | Shimizu, Sho (1623) | Won 2-0 | +201543 |
| 7standard | 237 | Ohige, Tatsuya (1540) | Lost 1-2 | -181525 |
| 8standard | 148 | Yamanaka, Kazuki (1506) | Lost 0-2 | -181507 |
| top | average opponent: 1563record: 4-3 | new rating: 1507 | ||
| Grand Prix Niigata 2005 (Kamigawa block) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 28 | Nakano, Fumiki (1635) | Lost 1-2 | -161505 |
| 2block | 137 | Yoshizawa, Toshio (1302) | Won 2-1 | +151520 |
| 3block | 106 | Tauchi, Tanouchi (1500) | Lost 1-2 | -191501 |
| 4block | 213 | Umi, Hirokazu (1451) | Lost 1-2 | -181483 |
| top | average opponent: 1472record: 1-3 | new rating: 1483 | ||
| Grand Prix Matsuyama 2005 (BOK limited) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 18 | Yasufuku, Akihiro (1556) | Won 2-0 | +201464 |
| 2sealed | 61 | Suzuoki, Ryou (1499) | Won 2-0 | +191483 |
| 3sealed | 17 | Natsume, Takuya (1536) | Draw 1-1 | +11484 |
| 4sealed | 61 | Morii, Takayuki (1539) | Won 2-1 | +191503 |
| 5sealed | 30 | Yamamoto, Kentaro (1684) | Won 2-1 | +211524 |
| 6sealed | 15 | Nakao, Munenari (1494) | Lost 0-2 | -191505 |
| 7sealed | 42 | Kuroda, Masashiro (2035) | Won 2-0 | +271532 |
| 8sealed | 24 | Higashino, Masayuki (1753) | Won 2-1 | +221554 |
| 9draft | 19 | Takahashi, Junya (1640) | Lost 0-2 | -161538 |
| 10draft | 24 | Yanagi, Hiroki (1624) | Lost 0-1 | -171521 |
| top | average opponent: 1636record: 6-3-1 | new rating: 1521 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 237 | Suzuki, Yoichi (1500) | Lost 0-2 | -181480 |
| 2standard | 273 | Tsukagoshi, Tadaki (1482) | Won 2-0 | +181498 |
| 3standard | 243 | Nakamura, Junya (1500) | Lost 1-2 | -181480 |
| 4standard | 399 | Sato, Mitsunori (1503) | Lost 1-2 | -181462 |
| 5standard | 375 | Matsuura, Junya (1465) | Lost 0-2 | -181444 |
| top | average opponent: 1490record: 1-4 | new rating: 1444 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 28 | Tanii, Yuusuke (1500) | Draw 1-1 | 01500 |
| 2block | 228 | Jung, Seong-hoon (1504) | Draw 1-1 | 01500 |
| 3block | 320 | Fujie, Kouji (1452) | Draw 1-1 | -11499 |
| 4block | 326 | Kawaguchi, Youhei (1482) | Won 2-1 | +181517 |
| 5block | 232 | Kubo, Tadayoshi (1467) | Lost 1-2 | -191498 |
| 6block | 271 | Kawagoe, Satoru (1483) | Won 2-0 | +181516 |
| 7block | 190 | Goto, Kiyoaki (1521) | Draw 1-1 | 01516 |
| 8block | 206 | Fukasawa, Taichi (1501) | Lost 0-2 | -181498 |
| top | average opponent: 1489record: 2-2-4 | new rating: 1498 | ||