Yuta Iyama Kisei, Honinbo, Meijin, Gosei (井山 裕太 Iyama Yūta?, conceived 24 May 1989) is a Japanese expert Go player. In April 2016, he turned into the main player in Japanese history to hold every one of the seven noteworthy titles simultaneously.
Conceived in Osaka, Iyama turned into the primary expert of the Heisei period. He started playing Go at five years old and achieved the rank of 3 dan beginner a year later. It was right now Kunio Ishii turned into Iyama's instructor, with the two playing a large number of diversions online. He won the national primary school title twice, in 1997 and 1998. Iyama turned into an insei in October 1998 and tested for an expert spot in 2001. He lost to Kohei Kawada. The next year, he tested again and breezed through the qualifying test. At the time, Iyama was the fourth most youthful expert behind Cho Chikun, Utaro Hashimoto and Satoshi Yuki.
Iyama was elevated to 2 dan on 4 September 2002. During the China-Japan Agon Cup in 2002, Iyama played an informal match with Chen Yaoye. Iyama lost the match by resignation. In June 2003, Iyama was elevated to 3 dan for his exhibitions in the Oteai. Nearly two years after the fact, Iyama was elevated to 4 dan under the recently reconsidered advancement rules.
He met his opponent, Daisuke Murakawa, a kindred player from the Kansai area, in the last segment of the 30th Shinjin-O. Taking white, Iyama went ahead to win by 5.5 points. Iyama won the primary real session of his vocation when he vanquished Cho U by renunciation in the twentieth Agon Cup. He would go ahead to win the competition, turning into the most youthful title holder in Japanese history at 16 years and five months. The past holder of the record was Cho Chikun, who won the Shin-Ei, a competition open to youthful players just, at 17 years. As a consequence of winning the competition, Iyama was straightforwardly elevated to 7 dan and turned into the most youthful 7 dan in Japanese Go.
Before winning the Agon Cup, Iyama won the Nakano Cup, a secretly supported informal competition, and unsuccessfully tested for the Shinjin-O title, losing to Kim Shushun. Iyama was an individual from the Japanese group at the sixth Asian New Star Match, where he won one match. Japan completed in third place behind South Korea and China. Iyama took part in the China-Japan Agon Cup in 2006, losing to Gu Li by resignation.
Iyama won two honors for his execution amid the 2005 season: the New Star grant and a honor for having the most elevated winning rate (75.47%). In August 2006, Iyama made it to the last round of the 61st Honinbo preparatory stage. Confronting Cho Sonjin (a previous Honinbo), Iyama took dark and lost by acquiescence. Had Iyama won, he would have been the most youthful member of the Honinbo class at 17 years. Three months after his unsuccessful Honinbo group offer, Iyama took an interest in the main version of the Daiwa Cup, a web competition. Iyama met all requirements for the fundamental competition, however was not able test for the title.
Iyama won his second authority competition when he vanquished Kenichi Mochizuki in the Shinjin-O final. In September 2007, Iyama achieved the challenger last of his first significant title, the Tengen. Taking dark, Iyama lost to Keigo Yamashita by 1.5 indicates and was not able test title-holder Rin Kono. Iyama met all requirements for his first universal competition, the 21st Fujitsu Cup, by crushing Kanketsu Rin and Michihiro Morita in the preparatory stages. In the fundamental competition, Iyama vanquished Taiwanese delegate Zhou Junxun, yet lost to Korea's Lee Sedol in the second round.
In March 2008, Iyama took part in the first Yugen Cup, a competition setting veteran experts against recently advanced adolescents. He completed in sixth place, yet won each of the six of his games. Iyama achieved the last round of the preparatory competition for the thirteenth LG Cup, however was not able make the last competition. No other Japanese players qualified.
After two months, in July 2008, Iyama won the 33rd Meijin association. At 19 years old, Iyama turned into the most youthful ever challenger for the Meijin title and the most youthful challenger for any of the significant titles. He broke a record held by Cho Chikun, who tested for the Oza title in 1976 at 20 years old years. As an aftereffect of winning the alliance, Iyama was specifically elevated to 8 dan. Iyama's title offer was unsuccessful as he lost in seven recreations to title-holder Cho U.
A couple days in the wake of procuring the privilege to challenge for the 33rd Meijin, Iyama crushed Cho U in the last of the first Daiwa Cup Grand Champion, a web competition for victors of the other Daiwa Cup tournaments. Iyama was additionally a part of the Japanese group at the first World Mind Sports Games. While trying for the Meijin title, Iyama confronted Cho u once more, this time in the Oza challenger finals. Iyama took dark and lost by resignation.
After a month, in October 2008, Iyama achieved another challenger finals. He confronted Norimoto Yoda in challenger finals of the 33rd Kisei and lost by resignation. In March 2008, Iyama took an interest in the inaugural BC Card Cup as one of Japan's two delegates, Cho Chikun being the other. Chikun was thumped out in the first round by Paek Hongsuk, yet Iyama won two recreations in succession against Kim Seongjae and On Sojin. Iyama came up against Cho Hanseung in the third round and was disposed of by the Korean representative.
That same month Iyama took an interest in two informal competitions, the Yugen Cup, which he won, and the RICOH Rengo Cup. Iyama and accomplice Xie Yimin lost to Naoki Hane and Keiko Kato in the last of the Rengo Cup. Iyama likewise won the Kido "Extraordinary Player" grant for his exhibitions amid the 2008 season.
Iyama was one of four Japanese members at the fourteenth LG Cup, where he won his first amusement against Yun Junsang and lost his second diversion against Lee Chang-ho. Iyama likewise achieved the challenger finals of the 34th Gosei, however in the long run lost to Satoshi Yuki by 1.5 points.
In the wake of losing the Meijin the earlier year, Iyama won the Meijin group again in July 2009 and earned the privilege to challenge Cho U. He went undefeated in the association, turning into the fourth player in the cutting edge time to go undefeated in the Meijin league. Two months after the fact Iyama met all requirements for his first Honinbo league.
Iyama lost the primary round of his Meijin challenge, yet then went ahead to win four in succession. Subsequently, Iyama broke three records: most youthful significant title victor, most youthful Meijin and most youthful 9 dan, breaking records set by Cho Chikun, Rin Kaiho and his adversary in the Meijin finals, Cho U. Iyama likewise won the Ryusei title, broadcast on the date of the last Meijin match.
In December 2009, Iyama took an interest in his first Nongshim Cup. He was the third Japanese player and lost his amusement to Xie He, who won five straight diversions before losing to Naoki Hane. Iyama drove the Japanese most wins rundown in 2009 with a record of 43 wins and 14 losses. Iyama was additionally granted the Shusai Prize for his exhibitions amid the 2009 season. In February 2010, Iyama lost the last of the fifth Daiwa Cup to Rin Kono.
In May, Iyama achieved the challenger finals for the 65th Honinbo, however lost to Keigo Yamashita. thus, to finish runner-up of the NHK Cup in 2010, Iyama was fit the bill for the 22nd Asian TV Cup. He lost to Lee Chang-ho in the principal round. Iyama was likewise a delegate of the Japanese group at the sixteenth Asian Games. In October 2010, Iyama was welcome to the World Meijin competition alongside Gu Li and Lee Chang-ho. Iyama completed in third place. Iyama then safeguarded his Meijin title in straight wins against Shinji Takao.
In 2010, Iyama won the third most prize cash in Japan with 56,482,000 Yen. He unsuccessfully tested Cho U for the Kisei title in 2011. Iyama won his second real title, the Judan, in 2011.