Big Brother Malkovich #5

skydyr · Post by **skydyr** » Sat May 04, 2013 7:15 pm

I need to think about this move a bit and I've got some family stuff going on, so I probably won't move until Monday at least.

skydyr · Post by **skydyr** » Mon May 06, 2013 11:31 am

Click Here To Show Diagram Code: [go]$$Bcm11 $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . 3 . . . . | $$ | . . X , X . . . . , . . . . . , X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O , . . . . . , . . . . . , O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . . . . . . . 2 . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . , . . . . . O . . . | $$ | . . . . . X . . . X . . . 1 . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

So, last move I spoke a bit about the move I'd like to make on the top side. Here's a reference diagram with a few extra moves:

Click Here To Show Diagram Code: [go]$$Bcm10 $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . i . . h g f d c . . . . | $$ | . . X , X . . . . , . . . e b , X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . j . . . . . . . . . . . . . a . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O , . . . . . , . . . . . , O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . . . . . . . O . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . , . . . . . O . . . | $$ | . . . . . X . . . X . . . X . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

I'm going to go over the moves in subsequent hide tags for the sake of space.

Move A:
This move is on the right side to stabilize the 3-4 stone and threaten an invasion at the marked point or thereabouts:

Click Here To Show Diagram Code: [go]$$Bc $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . X , X . . . . , . . . . . , X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . 1 . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O , . . . . . , . . . . . , O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . M . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . . . . . . . O . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . , . . . . . O . . . | $$ | . . . . . X . . . X . . . X . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

There are a few possible responses:

Click Here To Show Diagram Code: [go]$$Wc $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . a b . . 1 . . . . | $$ | . . X , X . . . . , . . . . . , X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O , . . . . . , . . . . . , O . . |[/go]

Here, I think I'd want to pincer at A or B to balance with the left side and make the right side group safe by attacking

. Once that's safe, the right side invasion opens up. This approach does make me wish black had only made a two space extension at the start, though.

Click Here To Show Diagram Code: [go]$$Wc $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . X , X . . . . , . 2 . . 1 , X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . 3 . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O , . . . . . , . . . . . , O . . |[/go]

With the high approach, something like the magic sword pincer seems in order, as if white takes the simple move of

black is already one step ahead after he responds on the left, giving time to cut white off from the side stone. This means white should probably go for a more complicated variation, where I hope to rely on white's thin side and black's top left thickness to get a good result in fighting.

Click Here To Show Diagram Code: [go]$$Wc $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . b . . 1 . a . . . | $$ | . . X , X . . . . , . . . 1 . , X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O , . . . . . , . . . . . , O . . |[/go]

These two white moves, which I will discuss as a group, aim to avoid getting pincered as harshly. I'm not sure if white would go for them, as I don't think a tight pincer of a closer white approach would necessarily be to black's advantage.

I think it's safe to say that a black move to secure the corner at A would be followed by something like white B, and a white move in the corner could be followed up by developing the top for black. There are also some more fighty moves around the two space high approach, but ladders favour white at the moment for the most part. I'm not convinced that this leads to great development for black, though.

Overall, I think black's top side may be broken up more than I'd like...

Lastly,

Click Here To Show Diagram Code: [go]$$Bc $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . X , X . . . . , . . . . 3 , X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . 2 . . | $$ | . . . . . . . . . . . . . . . 4 . . . | $$ | . . . . . . . . . . . . . . . . 1 . . | $$ | . . . . . . . . . . . . . . . 5 . . . | $$ | . . O , . . . . . , . . . . . , O . . |[/go]

This weird invasion I'd respond to by making an enclosure and starting a running fight.

Moves B and C:

Click Here To Show Diagram Code: [go]$$Bc $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . M . . M . . . . b . . . . | $$ | . . X , X . . . . , . . . . c , X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O , . . . . . , . . . . . , O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . . . . . . . O . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . , . . . . . O . . . | $$ | . . . . . X . . . X . . . X . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

I was originally skeptical of these moves, but am becoming less so. My expectations would be a wedge on the top or a knight's move approach to a high enclosure, the marked points above. A wedge I would approach from a side with a high enclosure, expecting a two space extension from which I would extend down the side in the approached corner, as to the original move A. This would be more favourable for black if I play the low enclosure, because white wouldn't be able to extend under the shimari for stability. Black could also consider capping the wedge, looking forward to center fighting and invading white's sides. Also, they do say that giving black two corner enclosures is too kind to him.

Click Here To Show Diagram Code: [go]$$Bc Black A, White B, etc. follow $$ --------------------------------------- $$ | . . . 0 . . . . . . . . . . . . . . . | $$ | . . 8 5 4 9 . . . . . . . . . . . . . | $$ | . . . 6 7 a 2 . 3 . . . . . 1 . . . . | $$ | . . X b X . . . . , . . . . 1 , X . . | $$ | . . . c d e . . . . . . . . . . . . . | $$ | . . . g f . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O , . . . . . , . . . . . , O . . |[/go]

Something like this looks playable should white approach directly, though black can't ladder since white has the ladder breaker.

Click Here To Show Diagram Code: [go]$$Wc $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . 1 . . 5 . . . . B . . . . | $$ | . . X , X . . . . , . . . . B , X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . 2 . 4 . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O , 3 . . . . , . . . . . , O . . |[/go]

This seems okay, though, and no ladder trouble possible.

Overall, I think one of these could leave black in a position where he's played a faster opening than white, while still remaining pretty solid.

Moves D and E:

Click Here To Show Diagram Code: [go]$$Bc $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . d . . . . . | $$ | . . X , X . . . . , . . . e . , X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O , . . . . . , . . . . . , O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . . . . . . . O . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . , . . . . . O . . . | $$ | . . . . . X . . . X . . . X . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

D and E are a bit different, still making a well defined corner enclosure, but trading security for more potential. I've played D before, and here it is similar to the small knight's enclosure aside from making the top side one stone less wide. I'm inclined to think that this isn't enough of a benefit to trade for the corner aji. I think it makes a white checking extension up the right side a good move.

E is a bit weirder. I've seen it in some shinfuseki era games but haven't ever played it. It's similar to the one space high enclosure, but leaves a lot more aji. I think it's more akin to a normal two space extension on the fourth line. It could end up nice and thick, but if it turns into a wall, its extension is a bit cramped. I'm concerned again that a white checking extension could leave it overconcentrated.

Moves F, G, and H, the semi-enclosures.

Click Here To Show Diagram Code: [go]$$Bc $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . h g f . . . . . . | $$ | . . X , X . . . . , . . . . . , X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O , . . . . . , . . . . . , W . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . . . . . . . O . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . , . . . . . O . . . | $$ | . . . . . X . . . X . . . X . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

To start with the last first, H makes a chinese-type formation on the top side. This is a bit blighted by the marked white stone, though, keeping black from making a lot on the right side. The left side also doesn't have room to make a truly prodigious moyo. Certainly, if black made the chinese formation first, it would not be good for black to split up the bottom side immediately afterwards, so I'm leaning away from this (yay tewari?).

Actually, I'm not going to discuss the other two, because I think the same issue applies, even though I was initially excited about these moves.

Moves I and J.

Click Here To Show Diagram Code: [go]$$Bc $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . i . . . . . . . . . . . | $$ | . . X , X . . . . , . . . . . , X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . j . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O , . . . . . , . . . . . , O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . . . . . . . O . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . , . . . . . O . . . | $$ | . . . . . X . . . X . . . X . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

I threw these in because they popped into my head today when I started this post, but I think that they are premature. Once I do something in the upper right, which is the least developed area of the board, a move around here becomes a decent idea.

Post by **Joaz Banbeck** » Mon May 06, 2013 11:58 am

I'll have to think about this. I'll post in a day or two.

Splatted · Post by **Splatted** » Mon May 06, 2013 12:08 pm

skydyr · Post by **skydyr** » Mon May 06, 2013 12:39 pm

Post by **Joaz Banbeck** » Mon May 06, 2013 3:51 pm

Why is my younger brother so focused on the upper side??? The lower side is full of dubious aji.

I was worried about the plays at D2 or Q2. It turns out that they are not much to worry about. An attempt to do so just compels us to fix some of the bad aji:

Click Here To Show Diagram Code: [go]$$Wc $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . X , X . . . . , . . . . . , X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O , . . . . . , . . . . . , O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . . . . . . . O . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . 2 . , . . . . . O . . . | $$ | . . . . . X . . . X . a . X . . . . . | $$ | . . . 1 . . . . . . . . . . . 3 . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

A play at 1 allows us to fix with 2, and then 3 is gote for them because 2 has made us strong enough to fight if W invades at 'a'. If that were all I needed to worry about, then I would approve.

But there are two other possibilities. On of them is if white gets a few moves on the other side such that they can go for a moyo, then the horsehead can be a big sente under certain circumstances:

Click Here To Show Diagram Code: [go]$$Wc $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . X , X . . . . , . . . . . , X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . W . W . W . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O , . . . . . , . . . . . , O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . . . . . . . O . . . | $$ | . . . . . . . . . . . . 1 . . . . . . | $$ | . . . O . . . . . , . 2 . . . O . . . | $$ | . . . . . X . . . X . . . X . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Notice that all of the problems for black shown above involve some kind of play - or a threat to play - at the splitting points:

Click Here To Show Diagram Code: [go]$$Bc $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . . . . . . . O . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . , . . . . . O . . . | $$ | . . . . . X . C . X . C . X . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

So those probably are good places for white to play immediately:

Click Here To Show Diagram Code: [go]$$Wc $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . X , X . . . . , . . . . . , X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O , . . . . . , . . . . . , O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . b . . . . . . | $$ | . . . O . . . . . . . . . . . O . . . | $$ | . . . . . . . . . . . 3 . 2 . . . . . | $$ | . . . O . . . . . , . . . . . O . . . | $$ | . . . . . X . a . X . 1 . X . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Now both 'a' and 'b' look bad for us.

===========================================

My general theory here - developed from weak spots at H3 and M3 in the diagrams above - is that we must hold the K4 stone, and that that stone must make a group with its neighbor to one side or the other. Once it forms a group that way, the other side is much more stable, because an invading stone is in trouble the moment it is played:

Click Here To Show Diagram Code: [go]$$Bc OK for us $$ | . . . O . . . . . . . . . . . O . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . B . , . . . . . O . . . | $$ | . . . . . X . . . X . W . X . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Click Here To Show Diagram Code: [go]$$Bc Bad for us $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . . . . . . . O . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . , . . . . . O . . . | $$ | . . . . . X . C . X . C . X . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

An alternate way of dealing with the H3/M3 problem is to make one of the wing stones stronger:

Click Here To Show Diagram Code: [go]$$Wc Black 4 is at one of the circled points. Seems ok for us. $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . . . . . . . O . . . | $$ | . . . . . . . . . 2 . . . C . . . . . | $$ | . . . O . . . . . , . . C . . O . . . | $$ | . . . . . X . 1 . X . 3 . X . C C . . | $$ | . . . B . . . . . . . . . . . C . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

I like the second alternative because it goes for a corner, whereas the first goes for a side.

So, to recap the logic so far: the dual H3 and M3 invasion points are bad aji for us, and something should be done about it. We only need to fix one. It can be fixed by occupying the gap, or extending into a corner. Extending into a corner is better.

Thus the next question is: where to go in the corner? There are three possibilities that I can see:

Click Here To Show Diagram Code: [go]$$Bc $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . . . . . . . O . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . , . . . . . O . . . | $$ | . . . . . X . . . X . . . X . B a . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

The above move is just too defensive. It provoke the hane at 'a' and white gets most of the corner.

Click Here To Show Diagram Code: [go]$$Bc $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . . . . . . . O . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . , . . . . . O . . . | $$ | . . . . . X . . . X . . . X . . a . . | $$ | . . . . . . . . . . . . . . . B b . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

This is still defensive, but a little better. White plays 'a', and someday we have a modest inrusion into the corner with 'b'.

Click Here To Show Diagram Code: [go]$$Bc $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . . . . . . . O . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . , . . . . . O . . . | $$ | . . . . . X . . . X . . . X . . B . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

This is a whole different issue. ( up to 7 is joseki )

Click Here To Show Diagram Code: [go]$$Bc $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . X , X . . . . , . . . . . , X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O , . . . . . , . . . . . , O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . . . . . . . O . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . , . . . . . O 4 . . | $$ | . . . . . X . b . X . b . X . 2 1 6 . | $$ | . . . . . . . . . . . . . . . 3 7 5 . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Now we look more stable on the lower side. We can focus on fighting an invasion at 'a', and we are strong enough to laugh at an invasion at 'b'.

I like this result. The aji is much better. But we still lose sente.

Actually, if we play it on the other side, it is semi-sente:

Click Here To Show Diagram Code: [go]$$Bc $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . B , B . . . . , . . . . . , X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O , . . . . . , . . . . . , O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . a . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . . . . . . . O . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O O . . . . . , . . . . . O . . . | $$ | . O X O . X . . . X . . . X . . . . . | $$ | . X X X . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

An invasion around 'a' pushes him against our strong groups in both corners.

So...

I disapprove.

Click Here To Show Diagram Code: [go]$$Bc White has 3 prisoners $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . C . . . . | $$ | . . X , X . . . . , . . . . . , X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O , . . . . . , . . . . . , O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . . . . . . . O . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . , . . . . . O . . . | $$ | . . B . . X . . . X . . . X . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Shaddy · Post by **Shaddy** » Tue May 07, 2013 1:52 pm

Prodigious · Post by **Prodigious** » Tue May 07, 2013 7:47 pm

Tooveli · Post by **Tooveli** » Wed May 08, 2013 3:09 am

Splatted · Post by **Splatted** » Wed May 08, 2013 5:23 am

Click Here To Show Diagram Code: [go]$$Bcm11 White has 3 prisoners $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . C . . . . | $$ | . . X , X . . . . , . . . . . , X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O , . . . . . , . . . . . , O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . . . . . . . O . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . , . . . . . O . . . | $$ | . . X 4 . X . . . X . . . X . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

skydyr · Post by **skydyr** » Wed May 08, 2013 6:34 am

Splatted · Post by **Splatted** » Wed May 08, 2013 1:41 pm

Splatted · Post by **Splatted** » Thu May 09, 2013 10:29 am

Perhaps Joaz wsa worried about the kicks?

Click Here To Show Diagram Code: [go]$$Bcm11 $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . 3 . . . . | $$ | . . X , X . . . . , . . . . . , X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O , . . . . . , . . . . . , O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . . . . . . . O . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . 7 . . . , . . . 5 . O . . . | $$ | . . . . 6 X . . . X . . . X 4 . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

I don't think I would ever have done this because it seems a waste to strengthen black's weak stones, but it's something to think about...

Dragon Pie · Post by **Dragon Pie** » Sat May 11, 2013 7:12 am

Approved. Sorry for being a couple days late.

skydyr · Post by **skydyr** » Mon May 13, 2013 9:53 am

Click Here To Show Diagram Code: [go]$$Bcm11 White has 3 prisoners $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . 5 . . . . | $$ | . . X , X . . . . , . . . . . , X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O , . . . . . , . . . . . , O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . . . . . . . O . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . , . . . . . O . . . | $$ | . . X 4 . X . . . X . . . X . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Life In 19x19

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