But 13 wins is not. We have to take the 27 wins as given.

_________________
The Adkins Principle:
At some point, doesn't thinking have to go on?
— Winona Adkins

Visualize whirled peas.

Everything with love. Stay safe.

There are more actually.
I will put up after the I finish the Shin jinseo winning strike series (Not sure when will he stop winning though.)

There is some psychological aspect in play here. Given that there are already 27 wins, we might think of the next 13 as being independent results. But psychologically, there might be some dependance here.

I have a friend that was decently good at basketball, and he was pretty good at free throws. He had gotten something like 23 free throws in a row, but never more than that. He wanted to get 40. I tried helping him out by telling him to just do 10 free throws in a row. And then after he did that, let's just do 10 more. He had no problem with this. And so it went until we got to around 35 free throws. At that point, from his body language, I could tell he knew he was approaching 50, and he screwed up on the 37th shot and missed.

I don't know if Shin Jinseo has a similar feeling about getting, e.g., 40 wins, but there may be some psychological pressure as the streak continues, which could make the goal of getting the next 13 wins a bit more difficult than the first 13 that he won in this streak.

_________________
be immersed

And even if there is no such pressure, it can build over time when people start to expect you to win.

Recently in Judo, Teddy Riner finaly lost after nearly 10 years and 154 fights without defeats. The pressure to beat the record of Yamashita (203 victories) was starting to weight on him. After his defeat, he said that it was kind of relieved, and that this defeat was somehow good for him

Amazing as it is, I'm not sure this is necessarily comparable. Yi Ch'ang-ho's record of 41 was for games in domestic tournaments. Without checking, I think he may have lost an international game to Komatsu Hideki. Kim In's record of 40 may be the "purer" one.

But Yi has a record that I personally think is more impressive because it involves the highest level of opponents in the highest-level tournaments: he won 25 consecutive games with Black in international events. It took Cho Hun-hyeon to end it in 1999. Eat your heart out, Shusaku! Yi did it while giving komi.

In terms of levels of opposition and events, Sakata's record of 29 must also be noted, especially as he also had the best winning ratio in a year (93.8% in 1964). Yi Se-tol's 32 (33 by one account) is nowhere near that in terms of quality of opposition, but at least he packed them into the shortest period: 25 January to 16 May 2000.

I think the longest streak for a newly qualified pro is 11: Ida Atsushi, who qualified in Japan at the end of 2008. (He is now 8-dan, and is married to Mannami Nao, who will be known to quite a few western players).

After this 27th win, Shin Jinseo's ranking is now 3742 (observed Mar 7th). He seems to have the 2nd best record in term of percentage wins on goratings.org:
1: Park Junghwan 941:670 => 71.2%
2: Shin Jinseo 475:336 => 70.7%
3: Ke Jie 605:423 => 69.9%

By comparison, #4 Mi Yuting has 65.4% wins and #5 Yang Dingxin has 60.7%. Also Lee Sedol's lifetime winning rate is an impressive 1379:917 (66.5%). So there could be other retired players with a better winning rate. (Although it is doubtful, since the rate should decrease as you pass your peak form).

There's a twitch stream (https://www.twitch.tv/kimyoonyoung) of Shin Jinseo against Shin Minjun, and Shin Jinseo is in significant trouble early on. He played an uncommon move in the 3-4 press joseki, then a surprising tight pincer, and the resulting fight looks really tough for him.

They each have more than an hour left, so I'll probably not see the end of it.

_________________
Occupy Babel!

Shin Minjun held on to his lead and ended Shin Jinseo's winning streak.

[Pro Match] Godlike! Shin Jinseo's 27th consecutive wins! (Korean Baduk League)
https://youtu.be/LfulmYf0Tko

Actually his current rating before his final loss which end his streak was 3744 not 3742 (good for Shin Jinseo fans i think). After his loss this rating will probably drop a bit.

[Review] Shin Jinseo's Killing Spree (28th consecutive win)
https://youtu.be/MFW-QnNLJto

Shin Jinseo consecutive win strike ends, but his consecutive rating rise didnt end since today his rating rose to 3735 even though he lost game with Shin Minjun.

Edit: Well, i made mistake, since i thought it was 3735 not 3745, so i thought his rating went up by 1 point, while in reality it went down 9 points.I found it a bit strange that it was as high as 9 points, but i guess thats how WHR rating system works.Looks like he needs about 20 win in a row against pretty strong opposition to get back to his peak rating.

[Review] The Nearest Rival - Shin Jinseo vs Shin Minjun
https://youtu.be/qCf6-5bLINA

Thank you. The ranking that I saw must have been before his 28th win on March 7th. Now we know his highest rank right before the loss that ended the streak (2744). Will be interesting to see if anybody ever tops that.

Actually no - it was updated while Shin Jinseo didnt played any game (his lost game agains Shin Minjun was included into rating about 9 or 10th march, so wasnt included into system). His rating went up probably beacuse players which he won, also won some games so their rating went up makein Shin Jinseo rating going up too.

It seems Shin Minjun beat Shin Jinseo again on March 30 in the Maxim Cup

_________________
Dave Sigaty
"Short-lived are both the praiser and the praised, and rememberer and the remembered..."
- Marcus Aurelius; Meditations, VIII 21

And this gave him massive loss of 9 rating points (current rating 3730). Or it gave him slight loss of about 2,4 promilles of his rating.

Silviu22 must be happy because Shin Jinseo GoRatings rating is currently 3748.

When I saw Shin Jinseo at the Korean baduk League a while back (search the forum for pics) it was a laptop with Lizzie and LZ running remotely.

Antti Tormanen used Master of Go on his iPad when he visited London.

I don't know the specific answer here, but offer some random pointers at to what is going on in Japan.

1. Various pros do use different apps, and I expect each of them will also swap between whatever's available - just like amateurs here. Some time ago I saw a Japanese article which asked various pros which bot they preferred, and there was quite a mix, with (from memory) Elf being preferred by some, but LeelaZero, Ah Q, Golaxy and AlphaGo Teach (which was also the subject of a large book on how to use it) being among others. But the pattern changed and I think only Leela and Golaxy got mentions, until KataGo came along, and now my impression is that this is going to be the favourite.

2. As far as I can recall, mentions of Golaxy are limited to commentaries and may indicate some sort of tie-up behind the scenes which give some newspapers companies access to a machine not otherwise available. That's just my speculation, note. And I also get the impression that referring to AI to boost commentaries may have been a nine day's wonder,

3. The Yugen no Ma server offers games with "the latest AI", which suggests to me they change periodically.

4. What is clear is that Elf no longer gets a mention, and DeepZen disappeared without trace from the very beginning. It's a cruel world!

5. The rush to produce books on AI that we saw post-AlphaGo seem to have died away.

6. Articles on pros' interpretations of changes induced by AI are still flourishing (getting better even?). Shibano Toramaru is still ploughing on with his outstanding weekly look at how fusekis are changing and is no up to Week 67. Kim Sujun is producing a bang up-to-date look at new josekis, Omori Yasushi has a nice series on the new ways to make approach moves, and Ichiriki has been using AI to work on endgames. But none of these mention a specific bot.

I barely follow the Korean and Chinese scenes nowadays, but I would expect a similar pattern applies from what I have looked at.