Samiso, Yutaka
Current rating: 1559
Record: 33-32-1
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 503 | Gotou, Hiroyuki (1680) | Lost 1-2 | -161555 |
| 4standard | 821 | Gibralta, Thierry (1549) | Lost 1-2 | -181537 |
| 5standard | 1018 | Watanabe, Yuta (1697) | Won 2-0 | +211558 |
| 6standard | 1186 | Mori, Yuta (1446) | Won 2-0 | +161574 |
| 7standard | 594 | Nishimoto, Sosuke (1516) | Won 2-0 | +171591 |
| 8standard | 343 | Ou, Kaitou (1898) | Lost 1-2 | -131578 |
| 9standard | 412 | Nishizawa, Taichi (1528) | Lost 1-2 | -191559 |
| top | average opponent: 1616record: 3-4 | new rating: 1559 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 25 | Matushita, Masakazu (1523) | Won 2-0 | +191517 |
| 2sealed | 34 | Dobashi, Takuya (1500) | Draw 1-1 | -11516 |
| 3sealed | 199 | Higaki, Takao (1724) | Lost 1-2 | -141502 |
| 4sealed | 362 | Shimizu, Haruo (1499) | Won 2-0 | +181520 |
| 5sealed | 253 | Ueda, Yushi (1492) | Won 2-1 | +171537 |
| 6sealed | 165 | Shinya N., (1538) | Won 2-0 | +181555 |
| 7sealed | 106 | Nagao, Hakaru (1475) | Won 2-0 | +171572 |
| 8sealed | 62 | Ogawa, Toshihiko (1575) | Won 2-0 | +181590 |
| 9sealed | 34 | Kihara, Atsuki (1549) | Lost 1-2 | -191571 |
| top | average opponent: 1542record: 6-2-1 | new rating: 1571 | ||
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 71 | Uesugi, Fumiya (1472) | Lost 0-2 | -191518 |
| 2sealed | 185 | Chaen, Masaki (1481) | Won 2-1 | +171535 |
| 3sealed | 113 | Yanaseko, Kentarou (1527) | Lost 0-2 | -181517 |
| 4sealed | 213 | Umehara, Kei (1455) | Lost 1-2 | -191498 |
| top | average opponent: 1483record: 1-3 | new rating: 1498 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 67 | Kitayama, Masaya (1890) | Lost 1-2 | -131549 |
| 5sealed | 97 | Tateishi, Yuuya (1543) | Lost 0-2 | -181531 |
| 6sealed | 168 | Miwa, Tatsuya (1533) | Won 2-1 | +181549 |
| 7sealed | 104 | Yasooka, Shota (1884) | Lost 0-2 | -121537 |
| top | average opponent: 1712record: 1-3 | new rating: 1537 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1549 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 215 | Higashimura, Kazuya (1496) | Won 2-0 | +171566 |
| 2block | 120 | Endou, Nozomu (1509) | Lost 0-2 | -191547 |
| 3block | 229 | Takeuchi, Hidehito (1432) | Won 2-1 | +161563 |
| 4block | 106 | Furukawa, Ken'ichi (1650) | Won 2-1 | +191582 |
| 5block | 134 | Sasaki, Shou (1530) | Won 2-1 | +171599 |
| 6block | 41 | Abe, Keisuke (1556) | Lost 1-2 | -191580 |
| 7block | 114 | Yuki, Hiroki (1538) | Lost 1-2 | -181562 |
| top | average opponent: 1530record: 4-3 | new rating: 1562 | ||
| Grand Prix Kitakyushu 2007 (LRW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 23 | Itou, Ryouta (1427) | Won 2-1 | +161516 |
| 2sealed | 40 | Yagi, Hiroyuki (1595) | Won 2-1 | +201536 |
| 3sealed | 3 | Chang, Chih-Hsiang (1716) | Lost 1-2 | -151521 |
| 4sealed | 103 | Imai, Kimio (1563) | Won 2-0 | +191540 |
| 5sealed | 69 | Inoue, Makoto (1525) | Won 2-0 | +181558 |
| 6sealed | 38 | Coimbra, Andre (1970) | Won 2-0 | +251583 |
| 7sealed | 5 | Nakajima, Chikara (1724) | Lost 1-2 | -161567 |
| 8sealed | 31 | Yamada, Ryuichiro (1534) | Lost 0-2 | -181549 |
| top | average opponent: 1632record: 5-3 | new rating: 1549 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 11 | Yamaguchi, Kei (1498) | Won 2-1 | +171519 |
| 2standard | 131 | Miyawaki, Takahiro (1479) | Lost 1-2 | -181501 |
| 3standard | 281 | Matsushima, Kouji (1461) | Won 2-1 | +171518 |
| 4standard | 125 | Hidaka, Katsu (1536) | Won 2-1 | +181536 |
| 5standard | 61 | Yorita, Masashi (1506) | Lost 1-2 | -181518 |
| 6standard | 186 | Aono, Kazumichi (1518) | Lost 1-2 | -181500 |
| top | average opponent: 1500record: 3-3 | new rating: 1500 | ||
| Grand Prix Hiroshima 2006 (CSP limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 84 | Hashimoto, Yoshiki (1518) | Won 2-0 | +191500 |
| 2sealed | 5 | Ikushima, Yasuyuki (1518) | Lost 1-2 | -181482 |
| 3sealed | 80 | U, Kashin (1470) | Won 2-0 | +181500 |
| 4sealed | 63 | Hattori, Keitarou (1469) | Lost 0-2 | -191481 |
| 5sealed | 109 | Hayashi, Hiroki (1613) | Won 2-1 | +211502 |
| top | average opponent: 1518record: 3-2 | new rating: 1502 | ||
| Grand Prix Kitakyushu 2005 (extended) | starting rating: 1457 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 18 | Murata, Masaki (1500) | Won 2-0 | +191476 |
| 2extended | 33 | Honda, Masaya (1518) | Won 2-1 | +191495 |
| 3extended | 19 | Kitamura, Kensuke (1425) | Won 2-0 | +171512 |
| 4extended | 30 | Katayose, Shingo (1674) | Lost 0-2 | -161496 |
| 5extended | 49 | Sutou, Takuo (1630) | Lost 0-2 | -151481 |
| top | average opponent: 1549record: 3-2 | new rating: 1481 | ||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1434 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 118 | Yamamoto, Yusuke (1433) | Won 2-0 | +181452 |
| 2sealed | 50 | Nakamura, Hideto (1468) | Won 2-1 | +191471 |
| 3sealed | 14 | Tsushima, Tomoya (1679) | Won 2-0 | +211492 |
| 4sealed | 52 | Hirabayashi, Ryuta (1518) | Lost 0-2 | -171475 |
| 5sealed | 65 | Kudo, Hiroshi (1501) | Lost 1-2 | -181457 |
| top | average opponent: 1520record: 3-2 | new rating: 1457 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 10 | Mori, Shotaro (1518) | Lost 0-2 | -171448 |
| 5standard | 197 | Ogura, Ryou (1588) | Lost 1-2 | -151433 |
| 6standard | 174 | Toriumi, Takashi (1371) | Won 2-1 | +171450 |
| 7standard | 128 | Houwa, Osamu (1597) | Lost 1-2 | -161434 |
| top | average opponent: 1518record: 1-3 | new rating: 1434 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 176 | Kito, Takeshi (1568) | Lost 0-2 | -171483 |
| 2sealed | 203 | Katsumata, Yuuma (1482) | Lost 1-2 | -181465 |
| top | average opponent: 1525record: 0-2 | new rating: 1465 | ||