Baduk TV English: Kim Seongryong’s 007 Lessons: Lesson 26

Kim Seongryong’s 007 Lessons is a Baduk TV series that teaches you how to deal with unusual moves, overplays and trick moves. The presenter, Kim Seongryong, is a 9 dan professional Go player. This is lesson 26.

Lesson 26

Video: Kim Seongryong's 007 Lessons: Lesson 26

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Transcript of the video

Translated by Oh Chimin 7d for

Edited by David Ormerod 5d

Hello, it's time for 'Punishing Trick Plays' by Kim Seongryong.

We've looked at many trick plays so far.

You may think that there aren't as many as trick plays as you originally expected.

However, trick plays are numerous. There are well over one hundred common trick plays.

I've chosen a selection of the most practical and useful ones for you to watch out for.

Let's look at today's trick play.

This fuseki is called the 'Kobayashi Opening'.

We'll look at this today.

After white's knight's move, black approaches.

There are many trick plays in this position. We'll investigate some practical ones.

Black plays a high pincer, which is slightly different.

Let's see how white should respond.

Many players like to approach and extend like this.

This formation is well balanced.

We call this 'Kobayashi Style'.

The top Japanese player, Kobayashi Koichi 9p played this fuseki very often in the 1980's.

In this case, white doesn't usually approach closely.

That's because this black stone blocks white's way on the side.

After this pincer, the fight is favorable for black.

Therefore, white approaches from a distance.

This kosumi is the simplest answer.

In response, white extends with one of these moves.

If she extends like this, black approaches and applies pressure to white's group.

After white jumps, black peeps here. It's an asking move.

If white connects, black defends his moyo.

If white answers here, black tenukis and approaches the corner.

Let me explain why.

If white connects, her next move will be very powerful.

So black should answer.

If white tenukis, black can play here immediately, to attack white's group.

If white blocks, these moves are a good combination.

Black makes miai of the bamboo joint and connecting under.

The previous peep helps black.

Therefore, white should defend before this happens.

Instead of this, there's another possible response.

If white connects, black doesn't have to defend the bottom.

Without the exchange, black would have to play a knight's move now, like this.

But, because of that exchange, this attachment becomes a wonderful tesuji.

White has to answer here, then following up here is a great combination!

Since white's separated, it's better for black.

Therefore, white should connect and follow this variation.

This is the best sequence for both sides.

However, we'll look at another move today.

What if black jumps like this?

White slides into the corner, and black approaches. Up to here, it's a basic variation.

There are many trick plays hidden within this variation.

According to the joseki, white should push here.

Then, after the push, black plays a bamboo joint.

White can jump or play tiger's mouth. There are many more choices.

I can't tell you about all of them now.

Nevertheless, these two moves are the most common.

Instead of the push, black can also hane.

It's another joseki.

However, some players won't follow this variation.

This attachment is the trick play.

That's what we'll investigate today.

You shouldn't push like this.

White will hane and take many points in the corner.

It looks like a joseki, but it isn't.

If these stones weren't on the board, we may call it joseki.

But in this case, black's over-concentrated.

Because of the placement of black's stones, it isn't a joseki anymore.

This is what white wants.

We'll look at an appropriate response to white's attachment.

The reason white attached is this...

If black descends, white will push and hane.

So this exchange is better for white.

White's prevented black from choosing this joseki.

In this case, you need to know this.

After the hane, cut here.

Then white will capture this stone.

And it's a crucial moment.

You mustn't blindly believe the proverb "there are no ko threats in the opening".

That's what white's hoping for.

If black ataris, white will extend first.

This answer is inevitable. Then white will cut here.

Black has to capture this stone, but white has a nice threat here.

You shouldn't follow this variation.

White intends for you to atari like this.

You can avoid it by extending here.

If white extends, just jump and there's no problem.

Pushing like this is of no use.

There's one more thing.

When black hanes, white might play an empty triangle.

So that she can come out.

How should black answer? Don't connect like this.

In this case, this kosumi is the best move.

Firstly, it prevents white from cutting.

And if white pushes, black can just jump.

This group isn't alive yet.

If white peeps, this kosumi reduces white's eye space.

Or, you can just push and expand the right side.

If white attaches, push first.

Then, after the wedge, white's in big trouble.

We've looked at how black should answer the attachment.

It's a sort of trick play.

Don't forget how to punish it!

Here's another variation from a similar joseki.

In this situation, black has several choices.

This move is played sometimes.

White has to push first.

After that, black can push and play a bamboo joint, like before.

In response, white plays a tiger's mouth and a knight's move.

It's an old fashioned joseki.

Here's the most complicated variation.

How would you respond if black peeped here?

It's a typical trick play.

If white connects, black will defend the corner and white's group is heavy.

Because of this exchange, white can't move out along the side.

She can't jump out into the center without a base either.

Capturing this stone is humiliating.

When black blocks here, white has to answer again.

This is an empty triangle, and it's painful when black ataris.

White's in trouble.

So you need to know how to answer in this situation.

How would you respond?

It's quite hard.

In this case, you'd better play this attachment.

Black can't descend here.

This hane is too painful for black!

In response, black has to cut here.

White can't hane here now, since both groups are in danger.

Instead, this wedge is the proper move.

Black can't block because white will capture him in a snapback.

So he has to extend, then white captures this stone.

After black captures these stones, white jumps and secures the corner.

This is the right response to black's peep.

After the push, black often peeps like this.

Don't forget to attach here.

If black cuts, wedge.

Then you can capture this stone.

Since the corner is big, white's good.

However, black has several ways to play.

He can also hane here.

White has to hane, then black will cut.

After that, white captures black's stone.

When black ataris, white cuts and it's another joseki.

Don't connect here when black captures this stone.

If white does so, black will atari and enclose the bottom in sente.

The corner looks big, but it isn't good enough.

In this case, the counter atari is the key move.

Don't forget this move.

Then you can atari once more.

If black counter ataris, white captures the two stones.

It's different to the previous variation. Now white takes sente.

So black can't sacrifice his stones.

Inevitably, he has to connect, then atari again.

After the double tiger's mouth, black has no choice but to double atari.

After that, the door is open at the bottom.

[Ed: Meaning white can still jump in on the 2nd line later]

Above all, white takes sente.

In contrast, black's moyo looks ugly.

So remember this counter atari!

Black has one more trick play.

There are many variations in this joseki.

This move is interesting.

In this case, push first.

When black blocks, white can't cut.

Instead, she has to push here.

After the extension, more pushes help black.

So this knight's move is correct.

Because of the weakness, black needs to defend himself.

Don't forget to peep here.

If you miss it, you'll lose many points.

If black answers, you can kosumi, or fly out like this.

But if you tenuki, black will attach here.

That's a big problem.

If white cuts, black cuts too.

White can't extend because of this push.

If white ataris, black can separate white.

If white plays like this, black pushes again.

When white connects, this kosumi is a tesuji.

Then black presses here and white has to crawl many times.

It's terrible for white.

Don't forget the kosumi.

So this atari would be better, but white will lose many points.

This atari is very painful.

After black plays here, the moyo becomes enormous.

It's a catastrophic result for white.

Therefore, you need to know the proper response.

This jump looks strange, but it's powerful.

After the push, this knight's move is the right sequence. But it's not over.

Black can't attach here immediately.

Because this atari will deform black's shape.

After white extends, black has no time to separate white.

So black needs to defend.

After that, don't forget to peep here.

If black answers, you have to move out.

Otherwise, black will press here.

And this is a good combination.

This area will be blocked off.

Don't forget these two moves.

This peep is essential.

We've looked at variations that arise after black presses white's group.

Don't forget what I've emphasized today.

You'll already know the simple kosumi, after white's approach.

Don't be afraid when black plays a one space jump instead!

Now it's time to review an actual game!

We'll look at an online game played between two 7 dans.

There was a peculiar move in the fuseki.

I showed you this move once before.

I told you that it was a trick play.

Even though the response was good, the game was reversed several times.

Let's have a look.

I guess white intended to trick her opponent when she jumped here.

After black attached at 3-3, she haned and ataried.

It's the beginning of the trick play.

Up to here, it was fine, but this atari was a bad exchange.

Because of this, black got into trouble.

However, white's overplay emerged later.

Black ended up with a big lead.

Let's analyze their mistakes.

After white's jump, this attachment is predictable.

However, usually if you see this jump your opponent will have some tricks in mind.

We used a database analysis tool.

The players are Baduk N TV 7 dans.

And we looked at 20,000 games played by Baduk N TV 7-8 dans.

How do they respond to this move?

Normally, white hanes on one side or the other.

Would there be other responses?

53% of players chose A.

And 47% of players played at B.

It's close.

How would 9 dans answer in this situation?

The majority of 9 dans played at A, while 24% of players chose B.

It can be seen that 9 dan players tend to choose not to play tricky moves.

We also investigated pro's games.

Even more players played at A.

One in five chose B.

If white chooses A, it'll be simple.

But if she plays at B, it'll be more complicated.

Let's look at the actual progression.

Let me show you the joseki.

It's an easy one.

The white player didn't play like this.

Instead, she ataried and played a tiger's mouth.

Normally white has to block here.

White takes the corner, and black the side. It's joseki.

Since this is another joseki, white can also hane inward.

But if white doesn't intend to play like this, she has a trick.

White played a typical trick play.

It was the tiger's mouth.

When you see this move, don't get confused.

Here's white's intention.

Let's have a look.

White can't capture black in net.

Therefore, this trick play isn't supposed to succeed.

But, as we can see, white can make use of the ladder in this game.

When the ladder favors white, this trick play is powerful.

When the ladder's unfavorable, you should avoid it.

In a way, white's strategy is kind of reasonable with this opening.

In general, black gets into trouble when he ataris here.

Even if the ladder favors black, white can capture these stones in a net.

But in this case, there's no need to do so.

So it was meaningless to atari like this in the game.

Instead, black should atari here and push.

It was an inevitable choice.

That's because of the adverse ladder.

So white had already seized a good chance.

Here's the problem.

Up to here, white played very well.

After black defended the corner, this move was strange.

Of course, she should've just turned like this.

After black jumps, white can jump here and move her groups out in good form.

As white moves out, she gains points with every move.

In contrast, black's group will be chased, with no territory.

Therefore, this battle is favorable for white.

But white didn't play like this.

This jump was a mistake.

When black jumped out, white should've connected here.

Then it would still have been ok.

But this wedge was a blunder!

After this atari, there was no answer.

If white connects, black will ponnuki. It's nonsense.

So white tried to start a ko, but where's the ko threat?

When black captured this stone, there was no answer.

Even though it was a bit late, white should've connected here.

But instead she made continuous mistakes. She lost her self control.

Eventually, it brought disaster upon white.

It was a huge failure.

A single misjudgment caused disaster.

It'd still have been ok if white had slowed down to think.

But white self destructed after the net failed.

Clearly it was problematic.

Don't forget to slow down and play carefully when you have a good position.

And always consider the ladder when choosing a joseki.

This was a good example of the importance of joseki choice.

Whenever we learn about trick plays.

I emphasize that you need to know that situations vary depending on the placement of stones.

So you should consider situations broadly, not just locally.

In joseki, ladders often matter.

I hope that you'll be able to develop your whole board vision with practice.

Today's lesson will help you to do so!

Thank you!

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