Games Between Two Players
Yamashita Keigo (26 win; 62 loss) vs. Iyama Yuta
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2024-10-28] 49th Japanese Kisei, challenger decision tournament
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+R |  |
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| [2024-05-16] 49th Japanese Meijin, league
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+R | |
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| [2024-02-11] 71st Japanese NHK Cup, round 4
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+R | |
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| [2023-04-27] 48th Japanese Kisei, league S
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+R | |
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| [2022-12-19] 48th Japanese Meijin, league
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+R | |
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| [2020-10-03] 27th Japanese Agon Cup, final
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+R | |
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| [2020-01-16] 45th Japanese Meijin, league
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+R | |
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| [2019-05-16] 44th Japanese Meijin, league
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+R | |
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| [2019-04-01] 44th Japanese Gosei, round 3
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+5.5 | |
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| [2019-03-14] 43rd Japanese Kisei, title match #7
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+6.5 | |
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| [2019-03-07] 43rd Japanese Kisei, title match #6
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| Iyama Yuta 9p | Yamashita Keigo 9p | W+R | |
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| [2019-02-27] 43rd Japanese Kisei, title match #5
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| Yamashita Keigo 9p | Iyama Yuta 9p | B+6.5 | |
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| [2019-02-13] 43rd Japanese Kisei, title match #4
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+R | |
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| [2019-02-02] 43rd Japanese Kisei, title match #3
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+R | |
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| [2019-01-21] 43rd Japanese Kisei, title match #2
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| Iyama Yuta 9p | Yamashita Keigo 9p | W+R | |
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| [2019-01-10] 43rd Japanese Kisei, title match #1
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+R | |
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| [2018-12-19] 44th Japanese Tengen, title match #5
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+R | |
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| [2018-12-10] 44th Japanese Tengen, title match #4
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| Iyama Yuta 9p | Yamashita Keigo 9p | W+2.5 | |
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| [2018-11-23] 44th Japanese Tengen, title match #3
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+R | |
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| [2018-10-29] 44th Japanese Tengen, title match #2
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| Iyama Yuta 9p | Yamashita Keigo 9p | W+0.5 | |
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| [2018-10-19] 44th Japanese Tengen, title match #1
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+R | |
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| [2018-06-30] 73rd Japanese Honinbo, title match #5
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+R | |
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| [2018-06-12] 73rd Japanese Honinbo, title match #4
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+R | |
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| [2018-06-02] 73rd Japanese Honinbo, title match #3
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+R | |
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| [2018-05-23] 73rd Japanese Honinbo, title match #2
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+R | |
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| [2018-05-15] 73rd Japanese Honinbo, title match #1
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| Yamashita Keigo 9p | Iyama Yuta 9p | B+0.5 | |
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| [2018-03-18] 2nd World Go Championship, semi-final
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+R | |
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| [2017-07-25] 42nd Japanese Gosei, title match #3
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+R | |
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| [2017-07-19] 42nd Japanese Gosei, title match #2
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+R | |
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| [2017-06-22] 42nd Japanese Gosei, title match #1
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+R | |
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| [2017-06-05] 42nd Japanese Meijin, league
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+R | |
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| [2017-03-18] 4th Championship of Tournament Winners, semi-final
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| Iyama Yuta 9p | Yamashita Keigo 9p | W+R | |
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| [2016-02-17] 40th Japanese Kisei, title match #4
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+R | |
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| [2016-02-01] 40th Japanese Kisei, title match #3
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+R | |
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| [2016-01-28] 40th Japanese Kisei, title match #2
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+2.5 | |
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| [2016-01-14] 40th Japanese Kisei, title match #1
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+R | |
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| [2015-08-07] 40th Japanese Gosei, title match #4
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+R | |
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| [2015-07-27] 40th Japanese Gosei, title match #3
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+1.5 | |
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| [2015-07-20] 40th Japanese Gosei, title match #2
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| Yamashita Keigo 9p | Iyama Yuta 9p | B+R | |
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| [2015-06-29] 70th Japanese Honinbo, title match #5
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+R | |
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| [2015-06-26] 40th Japanese Gosei, title match #1
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+R | |
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| [2015-06-16] 70th Japanese Honinbo, title match #4
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| Iyama Yuta 9p | Yamashita Keigo 9p | W+R | |
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| [2015-06-03] 70th Japanese Honinbo, title match #3
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+R | |
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| [2015-05-25] 70th Japanese Honinbo, title match #2
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+R | |
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| [2015-05-13] 70th Japanese Honinbo, title match #1
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+R | |
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| [2015-03-19] 39th Japanese Kisei, title match #7
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+5.5 | |
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| [2015-03-11] 39th Japanese Kisei, title match #6
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| Yamashita Keigo 9p | Iyama Yuta 9p | B+R | |
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| [2015-02-25] 39th Japanese Kisei, title match #5
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| Iyama Yuta 9p | Yamashita Keigo 9p | W+R | |
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| [2015-02-19] 39th Japanese Kisei, title match #4
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| Yamashita Keigo 9p | Iyama Yuta 9p | B+2.5 | |
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| [2015-02-05] 39th Japanese Kisei, title match #3
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+1.5 | |
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| [2015-01-29] 39th Japanese Kisei, title match #2
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+R | |
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| [2015-01-15] 39th Japanese Kisei, title match #1
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+0.5 | |
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| [2014-03-22] 1st Championship of Tournament Winners, final
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+R | |
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| [2014-03-12] 38th Japanese Kisei, title match #6
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+R | |
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| [2014-02-26] 38th Japanese Kisei, title match #5
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| Yamashita Keigo 9p | Iyama Yuta 9p | B+3.5 | |
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| [2014-02-20] 38th Japanese Kisei, title match #4
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| Iyama Yuta 9p | Yamashita Keigo 9p | W+0.5 | |
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| [2014-02-06] 38th Japanese Kisei, title match #3
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+R | |
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| [2014-01-29] 38th Japanese Kisei, title match #2
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+R | |
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| [2014-01-11] 38th Japanese Kisei, title match #1
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+0.5 | |
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| [2013-10-16] 38th Japanese Meijin, title match #5
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+4.5 | |
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| [2013-10-09] 38th Japanese Meijin, title match #4
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+R | |
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| [2013-09-25] 38th Japanese Meijin, title match #3
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+1.5 | |
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| [2013-09-19] 38th Japanese Meijin, title match #2
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+R | |
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| [2013-09-05] 38th Japanese Meijin, title match #1
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| Iyama Yuta 9p | Yamashita Keigo 9p | W+R | |
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| [2012-07-21] 19th Japanese Agon Cup, round 1
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+R | |
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| [2012-07-18] 67th Japanese Honinbo, title match #7
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+7.5 | |
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| [2012-07-09] 67th Japanese Honinbo, title match #6
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| Yamashita Keigo 9p | Iyama Yuta 9p | B+R | |
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| [2012-06-24] 67th Japanese Honinbo, title match #5
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+R | |
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| [2012-06-18] 67th Japanese Honinbo, title match #4
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| Yamashita Keigo 9p | Iyama Yuta 9p | B+R | |
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| [2012-06-05] 67th Japanese Honinbo, title match #3
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| Iyama Yuta 9p | Yamashita Keigo 9p | W+R | |
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| [2012-05-28] 67th Japanese Honinbo, title match #2
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+5.5 | |
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| [2012-05-15] 67th Japanese Honinbo, title match #1
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+R | |
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| [2012-05-07] 37th Japanese Gosei, challenger decision match
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+12.5 | |
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| [2011-10-27] 36th Japanese Meijin, title match #6
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| Iyama Yuta 9p | Yamashita Keigo 9p | W+3.5 | |
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| [2011-10-13] 36th Japanese Meijin, title match #5
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+R | |
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| [2011-10-05] 36th Japanese Meijin, title match #4
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| Iyama Yuta 9p | Yamashita Keigo 9p | W+R | |
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| [2011-10-01] 18th Japanese Agon Cup, final
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+R | |
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| [2011-09-21] 36th Japanese Meijin, title match #3
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| Yamashita Keigo 9p | Iyama Yuta 9p | B+R | |
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| [2011-09-14] 36th Japanese Meijin, title match #2
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+R | |
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| [2011-09-01] 36th Japanese Meijin, title match #1
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| Yamashita Keigo 9p | Iyama Yuta 9p | B+5.5 | |
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| [2011-08-29] 36th Japanese Kisei, league A
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+R | |
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| [2010-09-27] 49th Japanese Judan, winner section final
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| Iyama Yuta 9p | Yamashita Keigo 9p | B+0.5 | |
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| [2010-04-05] 65th Japanese Honinbo, challenger decision match
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| Iyama Yuta 9p | Yamashita Keigo 9p | W+R | |
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| [2010-03-15] 19th Japanese Ryusei, group stage
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| Yamashita Keigo 9p | Iyama Yuta 9p | B+2.5 | |
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| [2010-02-11] 65th Japanese Honinbo, league
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| Yamashita Keigo 9p | Iyama Yuta 9p | B+R | |
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| [2009-04-07] 34th Japanese Gosei, round 3
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| Yamashita Keigo 9p | Iyama Yuta 9p | W+R | |
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| [2007-09-20] 33rd Japanese Tengen, challenger decision match
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| Iyama Yuta 7p | Yamashita Keigo 9p | W+1.5 | |
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| [2007-08-30] 33rd Japanese Meijin, preliminary
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| Yamashita Keigo 9p | Iyama Yuta 7p | W+1.5 | |
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