Go Commentary: Cho Chikun vs Kobayashi Satoru – 4th Igo Masters Cup

This game is from the final of the 4th Igo Masters Cup, played between Cho Chikun 9p and Kobayashi Satoru 9p on July 12, 2014.

The Igo Masters Cup

Kobayashi Satoru Cho Chikun 4th Igo Masters 550x550 picture

Cho Chikun 9 dan and Kobayashi Satoru 9 dan (facing camera) at the 4th Igo Masters Cup. Photo: Inaba Yoshiko

The Igo Masters Cup is a tournament for veteran players over the age of 50.

There are preliminary matches, but former title holders don’t need to play in the preliminaries and can start in the main tournament.

Cho Chikun defeated Ishii Kunio 9p in the semifinal and Kobayashi Satoru defeated Kobayashi Koichi 9p.

Cho Chikun

Cho Chikun 9p won the 1st Igo Masters Cup by defeating Kobayashi Koichi 9p in 2011.

However, Cho was defeated by O Meien 9p in the following year.

Kobayashi Satoru 9p won the 3rd Cup by defeating Ishii Kunio 9p, in 2013, and he reached the final again this year.

Cho Chikun was born in Korea, in 1956, and he became a pro at the age of 11.

He held the record as the youngest player to turn pro in Japan until Fujisawa Rina 2p became a pro at the age of 10, in 2010. Fujisawa Rina is the granddaughter of Fujisawa Shuko 9p.

Cho took his first major title (the Pro Best Ten) in 1975, and he’s won 72 major titles in his career. It’s a record in Japan, and the former record holder was Sakata Eio 9p.

Cho also won two international titles – the 4th Fujitsu Cup in 1991, and the 8th Samsung Cup in 2003. In 2012, he achieved 1400 career wins, which was also a new record in Japan.

Cho’s style of play is very dynamic and passionate. He used to play extreme territorial games when he was in his 30s, and it was very exciting and fun to watch his games against Takemiya Masaki 9p (whose cosmic style was the complete opposite).

That period was the heyday of Japanese Go and the players back then were very colorful, with contrasting and unique styles.

Cho Chikun 4th Igo Masters t picture

Cho Chikun 9 dan receives a certificate from Yamashiro Hiroshi 9 dan. Photo: Akira Adachi

Kobayashi Satoru

Kobayashi Satoru Cho Chikun 4th Igo Masters Commentary 550x412 picture

Kobayashi Satoru 9 dan gives a post-game commentary. Photo: Akira Adachi

Kobayashi Satoru was born in 1959, and he became a pro in 1974. He won the 3rd IBM Cup in 1990, and it was his first major title.

He was in his prime from 1995~1997. He won the 19th Kisei, the 29th Gosei and the 42nd NHK Cup. He was ranked #1 in Japan that year.

In 1996, he won the 5th Ryusei and he was commended as the best player of the year.

In 1997, he was in the final of two international tournaments. He won 2nd place in the 8th Tongyang Securities Cup (he was defeated by Cho Hunhyun 9p), and he also came 2nd in the 2nd Samsung Cup (defeated by Lee Changho 9p).

In 2007, Kobayashi unsuccessfully challenged Yamashita Keigo in the 31st Kisei title match.

He also won the 3rd Igo Masters Cup in 2013 and it was the 10th title of his career.

Rules of the game

The time limit is 1 hour and 5 x 1 minute byo-yomi each and komi is 6.5 points.

Let’s have a look at the game!

Commented game record

Cho Chikun vs Kobayashi Satoru

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Meet Glift: New software to help you improve at Go

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Our Go game diagrams require JavaScript to work properly. Please enable JavaScript if you want to view them.

 

 

About Me: Josh Hoak

My name is Josh Hoak and I am both a Go player and programmer. I live in Boulder, Colorado, and when I’m not programming or playing Go, I’m usually up in the mountains hiking or down in the city swing dancing.

For the past year, I’ve been working with Go Game Guru on various technical projects related to Go. Some are related to the Jubango, others are related to new study courses we’re developing, and still others are purely experimental explorations into ways to learn and practice Go.

Enter Glift

At the core of these projects is a new open-source Go player written in JavaScript, called Glift. It is pronounced either as ‘gee-lift’ or as one syllable like ‘glyph’, and it comes from the phrase, ‘go lightweight frontend’. It depends only on jQuery (and even that is going away soon), and uses pure HTML/CSS and SVG for rendering.

Glift started nearly four years ago, when I decided I was unsatisfied with the way problems were displayed on the web. Yearning for more dynamic lessons and interactive content, I started creating what has became Glift.

In particular, Glift was built to:

  • Be responsive. Mobile is growing explosively, so I wanted a viewer that could work well for both web and mobile.
  • Be clean and easily understandable. I wanted to display problems in a natural, book-like format, using cropping and paging. Call me old fashioned, but I love Go books! I wanted a web viewer that felt like doing problems from a book.
  • Be extensible. Whatever I built, I wanted to be able use it for many other web applications. Thus, Glift was built to support loading problems statically or dynamically from a server.

What’s Next?

Given this functionality, we will be switching to using Glift as the primary Go viewer at Go Game Guru in the very near future. Let us know what you think! If you find any bugs or have feature requests, feel free to report them at glift/issues or comment below. If you are a programmer looking to contribute, feel free to send your pull requests.

Also, be sure to check out:

And lastly, here is a lesson-prototype we made especially for Glift!

gliftWidget = glift.create({“divId”:”glift_display2″,”sgfCollection”:”http:\/\/gogameguru.com\/i\/2014\/07\/glift-article-long.json”,”display”:{“theme”:”DEFAULT”}});

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Weekly Go problems: Week 121

Here are the weekly Go problems for week 121.

Black plays first in all problems and all solutions are labeled ‘correct’. Have fun!

Easy Go problem

This shape often appears in handicap games. Do you know how Black should resolve things in the corner?

[Embedded SGF File]

ggg easy 121 picture

Download the solutions to the easy problem as an SGF or PDF file.

 

Intermediate Go problem

This is the continuation of a common joseki. How can you make use of Black’s single stone on the left side?

The joseki in question was discussed in game 3 of the Gu Li – Lee Sedol Jubango (as a possible variation at move 10 in the top left corner).

[Embedded SGF File]

ggg intermediate 121 picture

Download the solutions to the intermediate problem as an SGF or PDF file.

 

Hard Go problem

This problem is from a real game and was sent to us by Go Game Guru reader Edmund Shaw. Thanks Edmund!

Black’s stones at the bottom still have some life in them. Can you find a move that creates miai?

[Embedded SGF File]

go problems 121 picture

Download the solutions to the hard problem as an SGF or PDF file.

 

Still want more Go problems?

You can find Go books packed full of life and death problems, tesuji problems and other valuable Go knowledge at the Go Game Shop.

Discuss other possible moves

If you have any questions or want to discuss any of these problems, please leave a comment below at any time. You can use the coordinates on the problem images to discuss a move or sequence of moves.

You can also download the solutions as a PDF or SGF file by clicking the links below each problem.

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Go Commentary: Iyama Yuta vs Ida Atsushi – 69th Honinbo

This is game 5 of the 69th Honinbo final, played between Iyama Yuta 9p and Ida Atsushi 8p on June 30 and July 1 2014.

Ida Atsushi vs Iyama Yuta 69th Honinbo 300x199 picture

Ida Atsushi 8 dan (left) and Iyama Yuta 9 dan, after the deciding game of the 69th Honinbo title match.

Iyama Yuta was already leading the (best of seven) match 3-1 at this stage, so this game was a kadoban (match deciding game) for Ida.

Iyama won the first three games of the match, and Ida won game 4.

Iyama Yuta

Iyama Yuta is arguably the best player in Japan.

He still holds six out of seven of the major Japanese Go titles.

The only one he doesn’t currently hold is the Judan.

Ida Atsushi

Ida Atsushi was born in 1994 and he became a pro in 2009.

He entered the Honinbo league in 2013, and broke through to become the challenger that same year.

His result in the league was 6-1, which was a tie for best with Yamashita Keigo 9p.

Ida won the playoff against Yamashita, and he became the challenger for this 69th Honinbo final.

This was his first major title match.

Let’s have a look at the game!

Commented game record

Iyama Yuta vs Ida Atsushi

[Embedded SGF File]

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How you can be a part of the world’s biggest Go event: Introducing Learn Go Week

Go in Japan 300x199 picture

A public Go event in Kanagawa, Japan.

Mist escaped from John’s mouth in small puffs as the boot of his car sprung open. He removed a box containing three beaten up old Go sets and glanced around to get his bearings.

Over in the square, which was already bustling with early morning shoppers, John spotted Chris. It looked like he’d just finished taping posters to a folding card table.

The crisp morning air didn’t bother John at all, as he waved and hurried over, and the warm sun on the back of his neck held all the promise of a beautiful day.

About an hour’s drive away, in a neighboring city, Kate already had her first ‘customers’. They were a young family with two kids. “This is called atari,” she said as they listened with interest. “It means you’re about to be captured.”

Meanwhile, things were already in full swing on the other side of the country. “And I’m told there are more than 300 events like this all over the country today, and even more around the world,” the local reporter shouted into her microphone, against a murmur of nearby voices.

“Maybe it’s time we all got going,” came the studio anchor’s retort. He grinned from ear to ear at the wit of his own joke, blissfully unaware of just how predictable it was.

To the viewers at home, it didn’t matter. It was the first time they’d heard it…

Become a part of the story

What you’ve just read is, of course, a story. But it doesn’t have to be.

Every year, thousands of Go players around the world promote Go in their local communities. For those of us who really love this game, teaching it to others isn’t really a choice. It’s a way of life.

Perhaps parts of the story feel familiar to you? Or perhaps the whole notion of teaching Go in public is new, but sounds compelling.

Either way, it’s time to be part of something bigger!

Introducing Learn Go Week

Baduk in Korea 300x201 picture

You can play Go anywhere!

On Saturday, September 13, 2014, we’re going to go out into our local community and run a small Go teaching event.

And we hope that you’ll join us – by organizing your own modest, local Go demonstration.

If you already do this from time to time then you don’t have to do anything new. All we’re asking is that run your own demonstration on the same day as everyone else.

September 13 will be the start of a new event called Learn Go Week.

We can achieve great things together

Every Go player knows that stones work better when they work together. So let’s apply that principle to life.

Right now we’re all doing our own things, within our own communities. We’re spread out thinly, all over the world. But if we work together, we can all be part of something bigger.

We can create an Event.

An Event is something that gets people’s attention.

Imagine thousands of people around the world all doing something on the same day. Doesn’t that sound intriguing? Isn’t that something that would get your attention? Now what if that thing was Go?

Not only would it be cool to see Go on the news, but being a part of a global event will be great fun.

So much fun, that you’re already on board with the idea, right?

go cat 2 550x364 picture

Anyone can play Go!

Why Learn Go Week…

…and not World Go Day?

We wanted to give you a little bit of freedom, so that you can still get involved even if September 13 doesn’t work for you. Or, so that you can run multiple events throughout the week if you want to.

Run a beginners’ night too!

In particular, if you have a local Go club, we hope that you’ll also organize a beginners’ night in the week that follows (September 13 to 20).

This is something that you can tell people about at the Go demonstration on the Saturday. You can hand out brochures with the rules of Go and details about your club (we’ll help you with this and will provide templates which you can modify shortly).

One of the challenges local Go clubs face is that new players rarely turn up on the same day. Beginners are often discouraged when the only players at the club are relatively experienced, and that’s not surprising when you think about it.

However, if you can get a group of beginners to start learning together at the same time, the likelihood that they’ll keep playing and visiting the club is much higher.

Saturday, September 13 is the most important date of Learn Go Week, and we hope that you’ll join us on that day, but you can also get involved throughout the week that follows.

Tapgol Park 550x275 picture

This is what we like to see: Tapgol Park in Korea.

How you can help

There are many ways that you can get involved in Learn Go Week and help to make it a success for all of us. Here are some ideas:

  • Organize a local event or join an existing event and help out
  • Tell your friends and your local Go club about Learn Go Week
  • Contact your local Go association and encourage them to get involved
  • Let us know about your event(s), so we can help you with publicity
  • Translate this article into your own language and share it (let us know if you do)
  • Translate the other promotional materials which are coming soon
  • Share this article with friends and other Go players you know.

How Go Game Guru will help you

We’ve been wanting to organize something like this for years, but we waited until now so that we’d have the resources to help make it more successful. Here’s what we’re going to do to help:

  • Coordinate local event organizers and help you to stay motivated
  • Maintain a public list of all Learn Go Week events, with contact details, maps etc for each group
  • Send out media releases and handle (English language) questions from journalists and other interested parties
  • Support your local efforts with (editable) Go brochures, posters, checklists and information for running an event, etc
  • Work with other Go organizations (e.g. national Go Associations and the IGF) to make this event as big as possible
  • Logistical support, cheap Go sets, money saving tips and printable Go boards for organizers who need some affordable Go equipment
  • Promote Learn Go Week as it happens – send us photos and videos of your event and we’ll share them with the community
  • Afterwards, we plan to combine all your photos and videos from around the world into a promotional video for Go.

More to come soon

There will be plenty of things to discuss in the coming weeks, before September. We’ll be hard at work updating Go Game Guru with resources to help you and you can visit the main Learn Go Week page to make sure you get updates.

If you have questions, ideas or anything else you want to share, please leave a comment below. You can also email us at goweek@gogameguru.com or use our contact form if you prefer to keep your message private.

For those of you who are wondering about the date, we researched it thoroughly. There’s no perfect date, because there are things happening around the world on every weekend, but September 13 avoids most other major events and is at a time when the weather is mild in both hemispheres. And remember that this is Learn Go Week.

Join us!

You might be wondering whether any of this is going to work? My only response is that the success of an event like this depends on the community.

It will work if all of us get involved.

If YOU get involved.

So join us, and let’s turn our story into reality together.

Click here now to get involved

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Weekly Go problems: Week 120

Here are the weekly Go problems for week 120.

Black plays first in all problems and all solutions are labeled ‘correct’. Have fun!

Easy Go problem

When your groups are solid enough, even relatively thin looking moves can work.

[Embedded SGF File]

ggg easy 120 picture

Download the solutions to the easy problem as an SGF or PDF file.

 

Intermediate Go problem

Never stop reading just because a stone is in atari.

[Embedded SGF File]

ggg intermediate 120 picture

Download the solutions to the intermediate problem as an SGF or PDF file.

 

Hard Go problem

This sort of double ladder problem is very hard to solve in an actual game, but knowing that there is a solution can help a lot.

[Embedded SGF File]

go problems 120 picture

Download the solutions to the hard problem as an SGF or PDF file.

 

Still want more Go problems?

You can find Go books packed full of life and death problems, tesuji problems and other valuable Go knowledge at the Go Game Shop.

Discuss other possible moves

If you have any questions or want to discuss any of these problems, please leave a comment below at any time. You can use the coordinates on the problem images to discuss a move or sequence of moves.

You can also download the solutions as a PDF or SGF file by clicking the links below each problem.

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Go Commentary: Lee Sedol vs Gu Li – Jubango – Game 5

This is game 5 of the MLily Gu vs Lee Jubango, between Lee Sedol 9p and Gu Li 9p.

Lee Sedol MLily Gu Lee Jubango Game 5 review 300x204 picture

Lee Sedol 9 dan during the game review.

The mood of the series changed dramatically when Gu Li defeated Lee Sedol in four consecutive games – including in games 3 and 4 of this match – and the overall score for the Jubango became 2-2.

This game was very important for Lee, because if he lost he’d face a heavy burden.

It would be very difficult for him to overcome the psychological damage of losing five games in a row, while also being behind in this match.

This game was played on May 25, 2014, in Shangri-La, Yunnan. Shangri-La is a famous location in the Chinese highlands, on the Tibetan Plateau.

We’re writing a book about this match

This commentary, and others, will form the basis for our Go book about Lee Sedol and Gu Li’s jubango.

The actual book will contain a more extensive commentary of this game, but you can regard what you see below as a draft (learn more).

Please help us to make our first Go book as good as possible. There are several ways you can help us to improve the commentary below:

  1. Ask questions about the game – if anything is unclear, please let us know so we can explain it better!
  2. Point out any mistakes, even minor typos – our first draft is below. Because this is going to be a book, even small mistakes need to be fixed.
  3. Tell your friends and ask them to help too.

The rules of the game

The time limit for these games is 3 hours and 55 minutes, with 1 minute x 5 times byo-yomi. It’s traditional to subtract 5 minutes from the 4 hour total, because of the 5 x 1 minute periods.

There’s no lunch break scheduled for these games, but food is provided and the players are free to get up and eat whenever they want, throughout the game.

Let’s have a look at the game 5 of the 10 game match between Lee Sedol 9p and Gu Li 9p.

Commented game record

Lee Sedol vs Gu Li – Game 5

[Embedded SGF File]

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Weekly Go problems: Week 119

Here are the weekly Go problems for week 119.

Black plays first in all problems and all solutions are labeled ‘correct’. Have fun!

Easy Go problem

Simple moves are often best in Go.

[Embedded SGF File]

ggg easy 119 picture

Download the solutions to the easy problem as an SGF or PDF file.

 

Intermediate Go problem

When neither player’s group is in immediate danger, the contest revolves around shape, potential and sente.

[Embedded SGF File]

ggg intermediate 119 picture

Download the solutions to the intermediate problem as an SGF or PDF file.

 

Hard Go problem

Sometimes very quiet moves can be deadly.

[Embedded SGF File]

go problems 119 picture

Download the solutions to the hard problem as an SGF or PDF file.

 

Still want more Go problems?

You can find Go books packed full of life and death problems, tesuji problems and other valuable Go knowledge at the Go Game Shop.

Discuss other possible moves

If you have any questions or want to discuss any of these problems, please leave a comment below at any time. You can use the coordinates on the problem images to discuss a move or sequence of moves.

You can also download the solutions as a PDF or SGF file by clicking the links below each problem.

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Go Seigen turns 100 today!

Today is Go Seigen’s 100th birthday.

Go Seigen 2 550x733 picture

Go Seigen 9 dan. Photo: Zhang Jingna.

Go Seigen is regarded by many to be the greatest Go player who ever lived.

Go Seigen was born in China, where his name is Wu Qingyuan (吳清源) and in Korea we call him Oh Cheongwon. Go Seigen is the Japanese reading of his name.

If you haven’t heard of him before, you can learn more about Go Seigen here.

A new paradigm

Go created a new paradigm in the game of Go and raised the understanding of future players to a new level.

Even though many decades have passed since he played most of his famous games, he still loves Go and studies it every day.

In his book, A Way of Play for the 21st Century, Go Seigen said:

I still study Go every day, placing stones on the board.

You might think study is meaningless for me, since I retired so many years ago. But for people who play it, Go is like an eternal friend, a permanent art form.

I’ll continue playing and studying Go. Probably just like you.

Go Seigen 550x733 picture

Go Seigen still studies Go every day. Photo: Zhang Jingna.

Many players still study Go

Many players, including pros, still study and learn from Go Seigen’s games today.

In 2003, there was a poll amongst Korean pros, about who they thought the greatest player in the history of Go was.

Lee Changho took second place in the poll, and Go Seigen was voted the greatest player ever.

Even though most of the pros who were polled had never played against him, they still regarded him as the greatest Go player, because they’d replayed his games.

A commentary to celebrate Go Seigen’s 100th birthday

When I was studying to become a pro, I replayed most of Go Seigen’s official games at least three times.

Today I’m going to show you one of his most memorable games against Kitani Minoru, who was his best friend and rival.

Even though this game was played almost 75 years ago, Go’s play still feels modern and he plays many moves that normal players wouldn’t even imagine.

Happy birthday Go Seigen

I’m very happy today to see that Go Seigen is still alive and well on his 100th birthday, because he’s been one of my idols since I was very young.

I hope that today many Go players around the world can replay Go Seigen’s great games and reflect on his contributions to the Go world.

Happy 100th birthday Master!

Commented game record

Go Seigen vs Kitani Minoru

[Embedded SGF File]

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China and Korea evenly pegged after 19th LG Cup round of 16

After one brief day to lounge by the pool, it was back to business on June 11, 2014 for the winners of 19th LG Cup’s round of 32.

Three repeat performances

Park Junghwan 19th LG Cup round of 16 t 300x300 picture

Korea’s Park Junghwan 9 dan (pictured) defeated Tang Weixing 9 dan to progress to the quarter finals.

Three of the pairs have only played each other once before and all three games repeated the previous result.

Korea’s current top ranked pro, Park Junghwan 9p, replicated his win earlier this year (in the Chunlan Cup) against Tang Weixing 9p.

Meanwhile, Kim Jiseok 9p defeated Li Zhe 6p, to make it 2-0, and Fan Tingyu 9p repeated last year’s Nongshim Cup win against Kang Dongyun 9p.

Choi Cheolhan overcomes a nemesis

Choi Cheolhan 19th LG Cup round of 16 300x447 picture

Choi Cheolhan 9 dan (pictured), overcame one of his arch-enemies when he defeated Xie He 9 dan. However, Chen Yaoye 9 dan is still in the competition…

Choi Cheolhan 9p managed to avoid his natural enemy, Chen Yaoye 9p (who defeated Shi Yue 9p).

However his record against Xie He 9p is also less than impressive at 1 win and 5 losses.

Much to the delight of the many Korean pros who came to support their countrymen, Choi won his game against Xie.

Experience trumps youth

Two other pairs have never met prior to today. Tuo Jiaxi 9p proved too strong for Byun Sangil 3p and Park Younghun 9p defeated An Dongxu 5p.

The remaining match up between two Chinese youngsters saw the more experienced Xie Erhao 2p emerge as the winner over Ding Shixiong 1p.

Xie Erhao Ding Shixiong 19th LG Cup round of 16 550x368 picture

Xie Erhao 2 dan (left) defeated first timer Ding Shixiong 1 dan.

A positive result for Korea

After a disastrous year in 2013, Korea appointed a head coach, Yu Changhyeok 9p and two national coaches, Lee Changho 9p and Lee Sedol 9p to improve Korean pros’ performance.

So far, fans are cautiously optimistic that this plan seems to be working. With four of their strongest pros in the quarter finals, Korea is well placed for the rest of this tournament.

Kim Jiseok Choi Cheolhan Park Younghun Park Junghwan 19th LG Cup round of 16 550x368 picture

Things are looking up for Korean Go fans – From left: Kim Jiseok, Choi Cheolhan, Park Younghun and Park Junghwan.

Finals schedule

There will now be a long break in the tournament schedule. The quarter finals and semifinals will be played on November 17 and 19, 2014. The pairings are:

  • Fan Tingyu vs Choi Cheolhan
  • Chen Yaoye vs Park Junghwan
  • Tuo Jiaxi vs Kim Jiseok
  • Xie Erhao vs Park Younghun.

The LG Cup

The LG Cup is a major international Go tournament. It started in 1996 and the prize money is currently 300 million Won. The runner up receives 100 million Won.

The main draw of 32 players is part invitational, comprising of 5 Korean players, 5 Chinese players, 4 Japanese players, 1 Taiwanese player and including the previous year’s winner and runner up.

The rest of the main draw is determined through a preliminary tournament. The format is single knockout, with the final played as a best of 3 games.

The tournament is sponsored by LG Electronics, a multinational consumer electronics company whose headquarters are in South Korea.

The time limit is 3 hours and 5 x 40 sec byo-yomi for each player.
each player.

19th LG Cup photos

Park Junghwan 19th LG Cup round of 16 t 150x150 picture
Fan Tingyu 19th LG Cup round of 16 150x150 picture
Kim Jiseok 19th LG Cup round of 16 150x150 picture
Chen Yaoye 19th LG Cup round of 16 150x150 picture
Choi Cheolhan 19th LG Cup round of 16 150x150 picture
An Dongxu Park Younghun 19th LG Cup round of 16 150x150 picture
Xie Erhao Ding Shixiong 19th LG Cup round of 16 150x150 picture
Quarterfinalists 19th LG Cup round of 16 150x150 picture
Kim Jiseok Choi Cheolhan Park Younghun Park Junghwan 19th LG Cup round of 16 150x150 picture

Game records

Tang Weixing vs Park Junghwan

[Embedded SGF File]

Kang Dongyun vs Fan Tingyu

[Embedded SGF File]

Kim Jiseok vs Li Zhe

[Embedded SGF File]

Chen Yaoye vs Shi Yue

[Embedded SGF File]

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