Sekiguchi, Ichiki
Current rating: 1581
Record: 19-15-1
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1561 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 896 | Mamiya, Takumi (1471) | Won 2-1 | +161577 |
| 4sealed | 829 | Kihara, Atsuki (1767) | Lost 0-2 | -141563 |
| 5sealed | 883 | Lim, Wei Teng (1587) | Won 2-0 | +181581 |
| 6sealed | 873 | Usami, Taro (1738) | Lost 0-2 | -151566 |
| 7sealed | 922 | Narisawa, Takuya (1500) | Lost 0-2 | -191547 |
| 8sealed | 992 | Koide, Yuichi (1458) | Won 2-0 | +161563 |
| 9sealed | 931 | Fujimoto, Takashi (1562) | Won 2-0 | +181581 |
| top | average opponent: 1583record: 4-3 | new rating: 1581 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 851 | Jitsukawa, Naofumi (1549) | Won 2-1 | +191519 |
| 2sealed | 791 | Obata, Maiko (1415) | Won 2-1 | +161535 |
| 3sealed | 706 | Juumonji, Ryou (1800) | Won 2-0 | +221557 |
| 4sealed | 641 | Kanai, Yusuke (1468) | Won 2-0 | +171574 |
| 5sealed | 608 | Yamada, Hiroki (1618) | Won 2-1 | +191593 |
| 6sealed | 605 | Itani, Shintaro (1564) | Won 2-1 | +171610 |
| 7sealed | 608 | Wen, Yuning (1604) | Lost 0-2 | -181592 |
| 8sealed | 642 | Kanegawa, Toshiya (1839) | Lost 1-2 | -141578 |
| 9sealed | 644 | Horie, Tooru (1616) | Lost 0-2 | -171561 |
| top | average opponent: 1608record: 6-3 | new rating: 1561 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1557 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 577 | Muraoka, Goro (1500) | Lost 0-2 | -191538 |
| 2standard | 815 | Kajita, Yuuki (1446) | Lost 0-2 | -191519 |
| 3standard | 925 | Ehara, Daisuke (1462) | Lost 0-2 | -191500 |
| top | average opponent: 1469record: 0-3 | new rating: 1500 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 187 | Arai, Yuuya (1500) | Won 2-0 | +181542 |
| 2sealed | 153 | Iioka, Kenta (1429) | Won 2-0 | +161558 |
| 3sealed | 166 | Ishino, Takuya (1539) | Lost 1-2 | -191539 |
| 4sealed | 283 | Moriya, Daisuke (1630) | Won 2-1 | +201559 |
| 5sealed | 224 | Hozumi, Masashi (1498) | Lost 0-2 | -191540 |
| 6sealed | 169 | Sakurai, Wataru (1506) | Won 2-1 | +171557 |
| 7sealed | 165 | Ooshima, Shun (1476) | Won 2-0 | +171574 |
| 8sealed | 278 | Arai, Kenichiro (1654) | Lost 1-2 | -171557 |
| top | average opponent: 1529record: 5-3 | new rating: 1557 | ||
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 45 | Iwashita, Satoshi (1518) | Won 2-1 | +181518 |
| 2sealed | 98 | Hirota, Noriyuki (1587) | Won 2-0 | +201538 |
| 3sealed | 14 | Kitada, Mitsutoshi (1495) | Won 2-0 | +171555 |
| 4sealed | 44 | Okamoto, Jin (1880) | Lost 1-2 | -121543 |
| 5sealed | 49 | Shibuya, Yuuto (1583) | Lost 0-2 | -181525 |
| 6sealed | 92 | Yashiro, Takuya (1486) | Won 1-0 | +181543 |
| 7sealed | 74 | Shimizu, Hajime (1532) | Draw 1-1 | -11542 |
| 8sealed | 129 | Natsume, Takuya (1540) | Lost 1-2 | -181524 |
| top | average opponent: 1578record: 4-3-1 | new rating: 1524 | ||