Someya, Yu
Current rating: 1599
Record: 23-16-3
| Grand Prix Sendai 2004 (DST limited) | starting rating: 1633 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 83 | Fox, Aaron (1459) | Won 2-0 | +151648 |
| 2sealed | 75 | Murakami, Ken (1499) | Lost 0-2 | -201628 |
| 3sealed | 106 | Itou, Takanori (1466) | Won 2-0 | +151643 |
| 4sealed | 144 | Goto, Kiyoaki (1546) | Lost 0-2 | -201623 |
| 5sealed | 115 | Murata, Shinya (1501) | Lost 0-2 | -201603 |
| 6sealed | 156 | Yamazaki, Shun (1506) | Won 2-0 | +161619 |
| 7sealed | 113 | Kinoshita, Kouta (1501) | Lost 1-2 | -201599 |
| top | average opponent: 1497record: 3-4 | new rating: 1599 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1584 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 125 | Fukaishi, Takahiro (1535) | Won 2-0 | +171601 |
| 4block | 85 | Ino, Kentaro (1521) | Won 2-0 | +171618 |
| 5block | 43 | Nakamura, Masanori (1543) | Lost 0-2 | -201598 |
| 6block | 91 | Yamakawa, Hiroyuki (1554) | Draw 1-1 | -11597 |
| 7block | 64 | Satou, Tomoya (1541) | Draw 1-1 | -11596 |
| 8block | 113 | Hosoyama, Takashi (1522) | Won 2-1 | +171613 |
| 9block | 59 | Sekine, Morio (1575) | Lost 0-2 | -191594 |
| 10block | 92 | Azuma, Motokiyo (1766) | Won 2-1 | +211615 |
| 11block | 64 | Ueno, Shinichi (1600) | Won 2-0 | +181633 |
| 12block | 43 | Ishihara, Jun (1747) | Won 2-0 | +201653 |
| 13block | 30 | Itou, Shuuhei (1614) | Lost 0-2 | -181635 |
| 14block | 46 | Endou, Yuusuke (1601) | Lost 1-2 | -191616 |
| 15block | 55 | Okada, Kou (1643) | Draw 1-1 | 01616 |
| 16block | 48 | Yasutomi, Hiroto (1565) | Won 2-0 | +171633 |
| top | average opponent: 1595record: 7-4-3 | new rating: 1633 | ||
| Grand Prix Fukuoka 2002 (TOR limited) | starting rating: 1579 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 66 | Kunita, Tetsuya (1448) | Won 2-1 | +161595 |
| 2sealed | 58 | Sogabe, Ippei (1542) | Lost 1-2 | -191576 |
| 3sealed | 93 | Takakura, Takeshi (1482) | Won 2-0 | +161592 |
| 4sealed | 68 | Doi, Fumiaki (1528) | Won 2-1 | +171609 |
| 5sealed | 50 | Kitada, Mitsutoshi (1450) | Lost 1-2 | -211588 |
| 6sealed | 77 | Takahara, Kazuya (1518) | Won 2-0 | +171605 |
| 7sealed | 65 | Sasaki, Yusuke (Tokyo) (1436) | Lost 0-2 | -211584 |
| top | average opponent: 1486record: 4-3 | new rating: 1584 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 69 | Kataoka, Makihiko (1536) | Won 2-1 | +191519 |
| 4block | 130 | Douyama, Tsuyoshi (1638) | Won 2-1 | +201539 |
| 5block | 40 | Shiki, Kazumasa (1518) | Lost 1-2 | -191520 |
| 6block | 103 | Shinozaki, Yuu (1556) | Lost 0-2 | -171503 |
| 7block | 144 | Ueno, Takamasa (1536) | Won 2-1 | +191522 |
| 8block | 85 | Biwaki, Toshiaki (1591) | Won 2-1 | +191541 |
| 9block | 101 | Yuba, Hirofumi (1531) | Won 2-0 | +181559 |
| 10block | 52 | Kawasaki, Hiroshi (1534) | Lost 0-2 | -191540 |
| 11block | 59 | Sasakawa, Tomohide (1657) | Won 2-1 | +201560 |
| 12block | 41 | Sugimoto, Takahiko (1545) | Won 2-0 | +181578 |
| 13block | 31 | Kim, Min-su (Japan) (1569) | Won 2-1 | +181596 |
| 14block | 24 | Morofuji, Takuma (1592) | Lost 1-2 | -181578 |
| 15block | 31 | Nakamura, Tomoya (1564) | Lost 0-2 | -181560 |
| 16block | 29 | Kise, Masato (1653) | Won 2-1 | +191579 |
| top | average opponent: 1573record: 9-5 | new rating: 1579 | ||