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 Post subject: Re: Iyama's world ranking
Post #41 Posted: Sun Jan 29, 2017 10:24 am 
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I got the impression that Ke Jie at his full strength is almost a stone stronger than Iyama.


If we forget about Alpha Go, I think the difference between top players is nowhere near 1 stone. Top pros (even Ke Jie) cannot give top Chinese insei (would become ~ rank 300 worldwide when they become pros) anything more than 2 stones (even 2 stones would already be too hard). Iyama might be top 10 or top 30, but he is still top-pros level (mean he can beat anyone on a good day), so I would expect the difference (if any) to be no more than 2-3 points komi. Remember that if there is no komi, both players would play a completely different game.

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 Post subject: Re: Iyama's world ranking
Post #42 Posted: Mon Jan 30, 2017 2:38 am 
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Ke Jie beat Park Jungwhan, so his medical condition is probably more stable than what we worried that it might affect his match against Iyama Yuta

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 Post subject: Re: Iyama's world ranking
Post #43 Posted: Mon Jan 30, 2017 7:39 pm 
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pookpooi wrote:
Ke Jie beat Park Jungwhan, so his medical condition is probably more stable than what we worried that it might affect his match against Iyama Yuta

Ke Jie does look healthy enough. However, according to Chinese news, he's still under the weather and suffering from the flu. From the video below, you can tell from his voice (toward the end where Ke Jie analyzed his own game) that he's still not 100%. That said, Ke Jie should have won against Iyama because Ke is much stronger.

https://www.youtube.com/watch?v=R2GOpe_OCzM&t=1649s

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 Post subject: Re: Iyama's world ranking
Post #44 Posted: Mon Jan 30, 2017 8:55 pm 
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ewan1971 wrote:
Ke Jie does look healthy enough. However, according to Chinese news, he's still under the weather and suffering from the flu. From the video below, you can tell from his voice (toward the end where Ke Jie analyzed his own game) that he's still not 100%. That said, Ke Jie should have won against Iyama because Ke is much stronger.

https://www.youtube.com/watch?v=R2GOpe_OCzM&t=1649s


Just like how Lee Sedol should had won against Ichiriki Ryo back in September 2016. My interprete is that Japan is not that far behind as everyone's believe.
Or are you suggest that Park Jungwhan (or South Korean pro as a whole) rank is overestimated cause he lost to the ill-condition Ke Jie?

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 Post subject: Re: Iyama's world ranking
Post #45 Posted: Tue Jan 31, 2017 1:47 am 
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I have been quit skeptical of goratings' ratings, and to some extent, I still am. Meng Tailing, for example, should be ranked higher than Byun Sangil. And guys like Lee Yeongkyu are way too high despite not doing much.

Still, if I really look at Iyama's games and results, I think he is definitely strong. I wouldn't be surprised if he can reach semis or even finals of international tournaments if he actually participated in them.

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 Post subject: Re: Iyama's world ranking
Post #46 Posted: Tue Jan 31, 2017 1:53 am 
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Also in a recently posted Korean pros reaction to the Master games they singled out Iyama when asked what human didn't lose in the first 50 moves.

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 Post subject: Re: Iyama's world ranking
Post #47 Posted: Tue Jan 31, 2017 2:44 am 
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Uberdude wrote:
Also in a recently posted Korean pros reaction to the Master games they singled out Iyama when asked what human didn't lose in the first 50 moves.

I thought Iyama was winning for a while... but afterwards, I don't know if I'm remembering this correctly, but I think that chinese pros thought that Iyama was never in a good position after all.

On the other hand, one of Meng Tailing's games was actually okay for a little while (according to chinese pros). Can't remember which one, might've been the one where Aja misclicked.

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 Post subject: Re: Iyama's world ranking
Post #48 Posted: Tue Jan 31, 2017 10:20 am 
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Despite his ill health, Ke Jie has won against Iyama by resignation in the final of Chinese New Year Invitational.

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 Post subject: Re: Iyama's world ranking
Post #49 Posted: Tue Jan 31, 2017 10:32 am 
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Here's the game video:

https://www.youtube.com/watch?v=M0UKc7x2hBI

During the post-game interview, the interviewer asked Iyama to participate more in international tournaments and play more in China because Chinese fans are interested in knowing more about him and his game. Iyama replied that it is indeed his fervent wish to increase his international participation.

I think Iyama should definitely do so. I for one am incredibly curious as to how he'd fare against Korean and Chinese competition. He should participate in the Chinese City League. It will be a great experience for him and make him even stronger.

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 Post subject: Re: Iyama's world ranking
Post #50 Posted: Tue Jan 31, 2017 10:36 am 
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His next international match is vs. Park Junghwan in Nongshim Cup at February 21.
And World Go Championship in 21-23/24 March.

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 Post subject: Re: Iyama's world ranking
Post #51 Posted: Sat Mar 11, 2017 7:22 am 
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In the past year, looking at Dr. Bae Taeil's rankings, Iyama has moved from 17th to 31st, but other Japanese players have moved up. Last april, none of them were in the top 100, but now we have 68th (Kono Rin), 75th (Yamashita Keigo), 79th (Ichiriki Ryo). Excluding Iyama, these results are somewhat consistent with goratings--the Japanese players are about 20 places lower in Taeil's ratings, but the same three are near the top.

Given the rapid movements, it seems that goratings is intended to be much more stable in its evaluations of players, while Taeil's rankings are closer to point in time performance rankings. That's not surprising, but it confirms a difference between the two.

Dr. Taeil's ratings put Takao Shinji (136) and Yo Seiki (125) far lower relative to their Japanese peers.

Rankings:
March 2017: viewtopic.php?f=13&p=217327#p217327
August 2016: viewtopic.php?f=13&t=13460
April 2016: viewtopic.php?f=13&t=13127

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