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Yi Ch'ang-ho
    Keywords: People

Yi Ch'ang-ho (이창호) is considered by many to be the strongest player in the world. His name is commonly written Lee Changho.

Yi was born on 29 July 1975, and became a live-in disciple of Cho Hun-hyeon in 1984. In the early 1990s he started winning the Korean titles which Cho had long dominated, and in 1992 won his first international title, the 3rd Tong Yang Securities Cup. His record in major international titles is now unrivalled.

March 18, 2003 Update: With his win of the Chunlan tournament against Hane Naoki, Lee Changho has won every single international Go tournament at least once (not counting obsolete tournaments). Korean press calls this a "Grand Slam" in Go.

His web-site (in Korean): [ext] http://www.leechangho.com

A list of titles he has won, as of March 2001: [ext] http://www.msoworld.com/mindzine/news/orient/go/special/yi_milestones.html

Some [ext] excerpts from an interview with Yi Ch'ang-ho.


YY?: Yi ChangHo has many nicknames, the most suitable of which is "Stone Statue of Buddha" or "Stone Buddha." It reflects the fact that he does not show changes of emotions and state of mind as much as or as often as other players.

The nickname also says much about his playing style. Employing his superior calculating ability, he often concedes to an opponent's intention rather than getting into a nasty conflict. His style is peaceful and defensive. More often than not, he somehow comes out victorious without inflicting a deep wound, let alone delivering a fatal blow. Without much change in facial expression -- win or lose.

Quoting loosely, Rui Naiwei says Yi lets you do what you want yet wins over you at the end. Chang Hao, a top rated Chinese player, once said "You get to know how strong Yi is only when you play him."

For many years, understandably, players refused to believe how strong Yi was. He does not pull any ace-in-the-hole moves that leave you stunned. He does not overwhelm you with power or brilliance. Cho ChiKun in his prime before the final matches of a World Go competition proudly -- and half jokingly -- announced that he was going to teach Yi a few "lessons" and lost 3 straight games. Cho could not understand why he lost.

Yi's first teacher said that Yi always tried to come up with cunning and brilliant moves (MyoSoo in Korean, MyoShu in Japanese). Then Yi became a pupil of Cho HunHyun. At first, Cho suspected the talent of the kid, since he could not even perfectly reproduce the game he played that day. The conventional wisdom dictates that a Go genius is endowed with magnificent intuition, quick razor sharp analytical ability, and vast memory. In Cho's assessment, the kid fell short of expectation in most categories of natural talent. But, Cho noticed that Yi was amazingly studious -- almost legendarily so -- and was a deep thinker with a different mindset. (He later conceded that Yi is a "different type" of Go genius.)

During his studies under Cho, Yi's style got completely overhauled. He has become a master of "common" moves instead of MyoSoo.

Yi has come to prefer a safer move (from which he can plan future moves by being able to predict the opponent's reactions with high probability) to a brilliant move that leaves unpredictability down the road. In so doing, Yi minimizes the factor of chance arising from difficult situations. In short, he has become a "control freak."

So, why was he to be transformed from a lover of MyoSoo to a seeker of seemingly average yet certain, effective moves? The reason is not precisely known. Yet, I would venture that the motivation could have been the natural talent of his teacher, Cho HunHyun, who is often dubbed as the most talented player.

In the early stage of his career, Yi was criticized that his playing style was molded only to beat the teacher, Cho (as he was not as dominant over other top players). Although he later proved that his style was effective against anyone, the criticism has some truth as he confessed later indirectly that his goal was to beat the teacher.

It was a question of how. Yi simply could not match Cho in natural brilliance. That is, it was impossible for Yi to follow in the footsteps of Cho and surpass him. Instead, Yi chose a path along which his magnificent calculation and deep thinking triumphs over Cho's natural brilliance and quick thinking.

Whether you agree or not, I believe that simplification is the word that best fits Yi's style. In his game, everything is simplified. Mind you, that the level of simplification is quite relative. Hence, many were, and still are, unimpressed by his game (until they get to play him, as Chang Hao said). Quoting loosely his teacher, Cho HunHyun, Yi sits and waits patiently in the depths of the unknown. You wait and wait to find out what Yi hides in the depths. You finally run out of patience and jump into the deep. Without fail, you find yourself trapped in the depths.

In my own words, it is the depth of simplicity.

Now, Yi is undergoing changes. His simple approach and peaceful methods are not as lethal as they used to be. He is being seriously challenged by Lee SeDol (or Yi SeDol). As evidenced in the LG Cup, Lee SeDol is up to the level that affects Yi ChangHo's mind of unshakable Stone Buddha.

According to Kim SeungJoon 7d, the reason Yi ChangHo now loses his composure is that he is no longer guaranteed to win by sticking to his old style. While some younger Korean players he inspired (most notably Lee SeDol) are as good in calculation, reading positions, and the endgame as he is, Yi is being forced to abandon or rely less upon his old style of often conceding a few battles and still winning the war. Yi pursues a new style that is more battle ready, much stingier, and more tightly gripped upon opponents. In the process, he makes mistakes and even allows rare psychological lapses.

Cho HunHyun takes an insightful look into what is happening with his pupil and Lee SeDol: "Is the era of Yi ChangHo over? No. It is just that the time has finally come that Yi ChangHo has a legitimate rival. The two will battle head to head for many years to come. After the smoke clears, we will see whose time this is." Being a veteran of the two greatest rivalries of the Korean Go history -- Cho beating Seo BongSoo by 2-1 ratio over a decade and then losing to Yi ChangHo by the similar ratio over the next decade -- Cho senses another rivalry brewing, something Yoo ChangHyuk could not give to Yi ChangHo.

Yi ChangHo will change as Cho had to change in order to stay toe to toe with the pupil of his who shot him down from the very top of the world. Whether or not Yi is truly one of the greatest of all time will depend on what his metamorphosis may become and how effective it might turn out to be.

Park ChiMoon, a Korean Go critic, said that Yi ChangHo might be the greatest Go strategist of all time as Yi has successfully come back against the so called Yi ChangHo killers (e.g., Yoda Norimoto et al.). We will see the real truth of it in about 5 years from now as the smoke of the rivalry clears by that time.

P.S.

1. One of the funny stories about Yi ChangHo is that he did not know how to tie his own shoestrings even into his young adult years. While Yi studied under Cho HunHyun as an in-house pupil, Mrs. Cho had to buy the kid shoes without shoestrings because he would drag the untied shoestrings around until someone finally tied them for him. I have heard that there are many similar stories about how Yi ChangHo was totally preoccupied with Go and could not or did not pay attention to the everyday aspects of life.

2. Regarding Yi's infamous inability to reproduce his own games, his brother recently posted a short message in Yi's homesite that even after he made professional rank, Yi ChangHo sometimes had difficulties to reproduce his own games "in front of Cho HunHyun." I suspect that it may be largely psychological considering the shy nature of Yi's and the special relationship between teacher and pupil (Pressure? Oh, yeah...).

3. Thanks to the one who edited this message. Wonderful!


Dieter: Paul Erdös also didn't know how to tie his shoestrings. His friends and their wives had to do it for him. One day, relates a friend, he asked the friend's wife to cut his toenails, and that's where she drew the line. Thanks for the story YY.


HolIgor: Yi Ch'ang-ho is currently the number one player in the world according to some hearsay and my personal rating. So of course I am his fan! Let us see why does he win his 75% of games against the top opponents. I have created a folder on my disk called StoneBuddha where I put sgf file of his games and then look through them.

It is widely believed that Yi has a superior endgame technique and that he starts to play endgame moves sooner in the middle game than his opponents. But a dozen games or so that I looked through show some other interesting aspects. It seems that he likes to play tenuki even more than the other guy. Of course, this is based on very good reading of the position, but the impression is that he plays contrary to the proverb. He plays big moves rather than urgent moves. Well, it turns out that he had read it out and found that the "urgent" move was not so urgent.

It seems also that he is fond of the approach ko. Quite often rather large groups are at stake because he preferred a big move to a safe move earlier.


jfc: Rui Naiwei has a good record against Yi in recent years. Does anyone (amateur or pro) have an explanation for this? Unlike Yi SeDol, who is described above as matching Yi Ch'ang-ho in reading and calculation, I don't think Rui is regarded a a calculator.

Rui Naiwei is rather a fighter. She beat Yi several times. Perhaps because against her he is trying too hard. It is very frustrating to be beaten by a girl.

YY?: Regarding Rui's favorable record against Yi ChangHo? -- 5 to 2 in favor of Rui at this moment -- the prevailing theory goes as followings. It takes a terrific offensive player to defeat Yi ChangHo?. Cho HunHyun? even had to change his style in favor of more aggressive all out warfare against Yi ChangHo?, his pupil. Yi's series of defeats by such younger players as Yi SeDol? and Choi CheolHan? support the view. Rui undoubtedly is one of the most offensively prolific players. Rui's ultra aggressive and sometimes creative offense may offer greater challenges for Yi as Yi cannot predict her next moves and thus fails to take control of the game to his strength as he usually does against other players.

One quasi-theory goes like this. Rui greatly admires Yi as a player and a person. Hence, inspired Rui plays her best game against Yi. Perhaps, one can combine the two factors and offer an explanation that Rui plays inspired against Yi, and her style is very difficult for Yi to handle.

Or, it is just that playing only seven games so far -- without any series or multi-game matches, I must point out -- it is hard to say that Rui indeed has an edge over Yi. The law of average may eventually catch up. Personally, I would accept the theory of Rui being a natural enemy to Yi once Rui defeats Yi in a challenging series.

Always modest, Rui says that Yi is beyond her, and she does not comprehend how she could defeat Yi, a far superior player, so many times. Nevertheless, I would like to hear her real thoughts on this matter, though.

By the way, what I said in the post above regarding Yi and Rui is not correct. Although Yi has caught up with Yoda Norimoto, anther natural enemy of his, he has not yet evened it with Rui.

c?: "It is very frustrating to be beaten by a girl." - how is this comment to be understood?

Stefan: No idea, but I do know it is equally frustrating to be beaten by a boy.



This is a copy of the living page "Yi Ch'ang-ho" at Sensei's Library.
(OC) 2004 the Authors, published under the OpenContent License V1.0.