Tokuyama, Kouta
Current rating: 1731 (#4749)
Record: 57-41-2
| Grand Prix Chiba 2016 (legacy) | starting rating: 1664 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 74 | Sato, Masanori3382 (1500) | Lost 0-2 | -211643 |
| 3legacy | 948 | Sunohara, Motoki (1603) | Won 2-0 | +181661 |
| 4legacy | 621 | Jiang, Changchen (1487) | Draw 1-1 | -31658 |
| 5legacy | 555 | Kaneko, Akihiro (1536) | Won 2-1 | +151673 |
| 6legacy | 362 | Shikama, Hideyasu (1501) | Won 2-1 | +151688 |
| 7legacy | 206 | Furuya, Youhei (1807) | Won 2-1 | +201708 |
| 8legacy | 127 | Heshiki, Tomohiro (1585) | Won 2-1 | +161724 |
| 9legacy | 74 | Mackl, Valentin (1951) | Won 2-0 | +221746 |
| 10legacy | 40 | Takada, Ryuto (1750) | Won 2-1 | +181764 |
| 11legacy | 23 | Hosaka, Yoshiteru (1713) | Lost 1-2 | -191745 |
| 12legacy | 65 | Saitou, Ryuuga (1946) | Lost 1-2 | -141731 |
| top | average opponent: 1671record: 7-3-1 | new rating: 1731 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1678 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 481 | Morita, Kouki (1606) | Lost 0-2 | -191659 |
| 3standard | 680 | Kase, Tomoki (1552) | Won 2-1 | +161675 |
| 4standard | 382 | Fukuda, Yuuki (1671) | Lost 0-2 | -181657 |
| 5standard | 687 | Okubo, Ryo (1505) | Lost 1-2 | -211636 |
| 6standard | 878 | Kawaguchi, Takahiro (1639) | Won 2-1 | +181654 |
| 7standard | 702 | Sugisawa, Tsuyoshi (1560) | Won 2-1 | +171671 |
| 8standard | 413 | Takemoto, Shintarou (1520) | Lost 1-2 | -211650 |
| 9standard | 417 | Ng, Ren Cong (1450) | Won 2-0 | +141664 |
| top | average opponent: 1563record: 4-4 | new rating: 1664 | ||
| Grand Prix Singapore 2015 (modern) | starting rating: 1569 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 10 | Prawira Citra Setiawan, (1518) | Won 2-0 | +171586 |
| 3modern | 169 | Ang, Chin Yang (1502) | Won 2-1 | +171603 |
| 4modern | 62 | Por, Yong Xiang (1499) | Won 2-1 | +161619 |
| 5modern | 48 | Chiong, Marvin (1684) | Lost 1-2 | -171602 |
| 6modern | 89 | Paulo Ocampo, Den (1554) | Won 2-0 | +171619 |
| 7modern | 50 | Chen, Shao-Lun (1576) | Lost 0-2 | -181601 |
| 8modern | 113 | Ryan, Ben (1525) | Won 2-1 | +161617 |
| 9modern | 102 | Lim, Michel Yi Han (1577) | Won 2-1 | +171634 |
| 10modern | 26 | Harris, Colin (1707) | Lost 1-2 | -161618 |
| 11modern | 52 | Yukuhiro, Ken (1799) | Won 2-1 | +211639 |
| 12modern | 42 | Ichikawa, Yuuki (2034) | Lost 1-2 | -111628 |
| 13modern | 56 | Yuen, Weng Foong (1518) | Won 2-0 | +161644 |
| 14modern | 47 | Go, Patrick John (1585) | Won 2-0 | +171661 |
| 15modern | 30 | Quek, Junwei (1642) | Won 2-1 | +171678 |
| top | average opponent: 1623record: 10-4 | new rating: 1678 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1575 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 1012 | Takuwa, Kazuya (1518) | Lost 0-2 | -191556 |
| 3sealed | 1262 | Nishida, Kazuki (1504) | Won 2-1 | +171573 |
| 4sealed | 1062 | Kobayashi, Ryousuke437 (1485) | Won 2-0 | +161589 |
| 5sealed | 899 | Takaku, Takeshi (1516) | Lost 0-2 | -191570 |
| 6sealed | 973 | Koide, Yuichi (1453) | Won 2-0 | +161586 |
| 7sealed | 940 | Hiraoka, Shigenori (1532) | Won 2-0 | +171603 |
| 8sealed | 921 | Arita, Ryuichi (1629) | Lost 0-2 | -181585 |
| 9sealed | 928 | Nakamoto, Kosuke (1705) | Lost 0-2 | -161569 |
| top | average opponent: 1543record: 4-4 | new rating: 1569 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1585 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 212 | Ibushi, Shotaro (1455) | Lost 0-2 | -201565 |
| 3legacy | 319 | Iwamoto, Nobuyuki (1691) | Lost 0-2 | -161549 |
| 4legacy | 412 | Hayashi, Takatomo (1414) | Lost 0-2 | -211528 |
| 5legacy | 398 | Hosokawa, Takayuki (1463) | Won 2-0 | +171545 |
| 6legacy | 314 | Saida, Kazuki (1425) | Won 2-0 | +161561 |
| 7legacy | 273 | Ikebata, Yusuke (1469) | Won 2-0 | +161577 |
| 8legacy | 157 | Fukuda, Yoshifumi (1520) | Won 2-1 | +171594 |
| 9legacy | 101 | Matsumura, Takehiko (1510) | Lost 0-2 | -191575 |
| top | average opponent: 1493record: 4-4 | new rating: 1575 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1620 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 769 | Yasui, Satoshi (1517) | Won 2-1 | +161636 |
| 2sealed | 795 | Shimada, Tomoyuki (1520) | Won 2-0 | +161652 |
| 3sealed | 613 | Itou, Satoru (1556) | Lost 1-2 | -191633 |
| 4sealed | 844 | Oonishi, Tatsuya (1644) | Lost 1-2 | -181615 |
| 5sealed | 869 | Nakada, Shogo (1443) | Lost 1-2 | -211594 |
| 6sealed | 938 | Takano, Kazuhide (1486) | Won 2-0 | +161610 |
| 7sealed | 850 | Samaru, Takafumi (1504) | Won 2-0 | +161626 |
| 8sealed | 761 | Higono, Naoki (1524) | Lost 1-2 | -201606 |
| 9sealed | 786 | Miyake, Satoshi (1440) | Lost 0-2 | -211585 |
| top | average opponent: 1515record: 4-5 | new rating: 1585 | ||
| Grand Prix Indianapolis 2012 (legacy) | starting rating: 1600 | |||
| round | table | opponent (rating) | result | Δrating |
| 4legacy | 150 | Downs, Austin (1682) | Lost 1-2 | -171583 |
| 5legacy | 141 | Morenz, Will (1502) | Won 2-0 | +171600 |
| 6legacy | 112 | Howell, John (1575) | Won 2-0 | +181618 |
| 7legacy | 27 | Crane, Kurt (1565) | Won 2-0 | +171635 |
| 8legacy | 54 | Throop, Adrian (1545) | Won 2-0 | +161651 |
| 9legacy | 17 | Colon, Antonio (1604) | Lost 1-2 | -191632 |
| 11legacy | 18 | Kwiatkowski, Daniel (1612) | Lost 1-2 | -181614 |
| 12legacy | 40 | Gleicher, David (1907) | Won 2-0 | +231637 |
| 13legacy | 43 | Yasuda, Masayuki (1731) | Lost 0-2 | -161621 |
| 14legacy | 38 | Ayers, Brandon (1675) | Lost 0-2 | -171604 |
| 15legacy | 49 | Muir, Scott (1529) | Won 2-0 | +161620 |
| top | average opponent: 1630record: 6-5 | new rating: 1620 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1609 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 176 | Ueyama, Yuji (1426) | Lost 0-2 | -211588 |
| 3standard | 212 | Araki, Youhei (1492) | Won 2-0 | +161604 |
| 4standard | 233 | Yasuo Y., (1522) | Won 2-0 | +171621 |
| 5standard | 69 | Kuwahara, Yoshiki (1478) | Lost 0-2 | -211600 |
| 6standard | 203 | Itou, Motoaki (1726) | Won 2-0 | +211621 |
| 7standard | 92 | Goto, Daiki (1519) | Won 2-1 | +161637 |
| 8standard | 94 | Hosokawa, Yuya (1694) | Lost 1-2 | -171620 |
| 9standard | 103 | Kadono, Satoru (1524) | Lost 0-2 | -201600 |
| top | average opponent: 1548record: 4-4 | new rating: 1600 | ||
| Grand Prix Kobe 2009 (extended) | starting rating: 1594 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 136 | Ushima, Kousuke (1500) | Won 2-1 | +161610 |
| 2extended | 85 | Adachi, Ryosuke (1427) | Won 2-1 | +151625 |
| 3extended | 33 | Ishikawa, Masayo (1792) | Draw 1-1 | +31628 |
| 4extended | 72 | Harada, Daisaku (1602) | Won 2-0 | +181646 |
| 5extended | 41 | Ikeshita, Tooru (1716) | Lost 1-2 | -171629 |
| 6extended | 77 | Higa, Hiroto (1544) | Lost 0-2 | -201609 |
| top | average opponent: 1597record: 3-2-1 | new rating: 1609 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 218 | Saito, Tomoya (1616) | Won 0-0 | +191538 |
| 2sealed | 127 | Izumi, Kimiaki (1576) | Won 2-1 | +191557 |
| 3sealed | 51 | Nagashima, Makoto (1733) | Won 2-1 | +211578 |
| 4sealed | 79 | Orihara, Jun (1564) | Lost 1-2 | -181560 |
| 5sealed | 111 | Kimura, Yoshihiro (1508) | Lost 0-2 | -191541 |
| 6sealed | 208 | Tashima, Chihiro (1461) | Won 2-0 | +171558 |
| 7sealed | 123 | Kinoshita, Atsushi (1472) | Won 2-1 | +161574 |
| 8sealed | 100 | Kunisato, Ebie (1683) | Won 2-1 | +201594 |
| top | average opponent: 1577record: 6-2 | new rating: 1594 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 136 | Kishi, Hideyuki (1483) | Lost 0-2 | -181482 |
| 2block | 228 | Yamasaki, Daichi (1482) | Won 2-0 | +181500 |
| 3block | 136 | Yoshida, Shinsuke (1472) | Won 2-1 | +171517 |
| 4block | 196 | Yabuta, Junichi (1469) | Won 2-1 | +171534 |
| 5block | 65 | Nitobe, Takayuki (1552) | Lost 1-2 | -171517 |
| 6block | 154 | Yoshioka, Ryouji (1614) | Won 2-1 | +191536 |
| 7block | 104 | Lee, Ji-Hoon (1603) | Lost 0-2 | -161520 |
| 8block | 161 | Tachibana, Takahiro (1518) | Won 2-0 | +181538 |
| 9block | 86 | Kadono, Takayuki (1490) | Lost 0-2 | -191519 |
| top | average opponent: 1520record: 5-4 | new rating: 1519 | ||