[go]$$c Black: 0 White: 0 $$ --------------------------------------- $$ | . . . . . . . . . . . X . . . . . . . | $$ | . X . X . . . . O O X O . . . . . . . | $$ | . O X . X X X O O X X O . . O X . . . | $$ | . O O , X O O X O X d . . e O , X . . | $$ | . . . O . . . X O . X X . . . X f . . | $$ | . . . . a O O X O . O . . . . . . . . | $$ | . . . . . . . X . c . . . . . . . . . | $$ | . . O . . . . b . O . . . . . . . . . | $$ | . . . . . . . B . . . . . . . . . . . | $$ | . . X , . . . . . , . . . . . , . . . | $$ | . . . X . . . . . . . . . . . . . . . | $$ | . . O X . . . . . . . . . . . . O . . | $$ | . . . g . . . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . O . . . | $$ | . O . O . . . . . , . . . X . , O . . | $$ | . . . . . O . . . . . . . . . X O . . | $$ | . . . . . . . . . . . . . . X . X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
Any thoughts?
I've labeled the groups above with letters for convenience...
As it stands prior to the black move, B C D and E are all weak and about to engage in a running fight. A and F are strong.
I think that B is quite weak, compared to the others, and so if black starts running with it and makes it heavier, white can lean by chasing it with C, and then use that to attack D with E. In the meanwhile, B only lives on dame, and doesn't have a lot of impact on the rest of the game. For this purpose, I am just assuming a series of one space jumps, possibly with white peeps on the left. With the trade, black is exchanging 4 stones on a relatively small scale for 4 stones on a larger scale. Assuming white can't get too much more out of the aji of E than black can with B, black seems ahead after the trade apart from the center strength that white built. That said, white was going to build center strength one way or another.
Later on, there is also some question of the safety of G that will come into play, and I would much rather have a more open center and potential for forcing moves than to have a string of heavy stones and be more sealed in as black.
[go]$$c Black: 0 White: 0 $$ --------------------------------------- $$ | . . . . . . . . . . . X . . . . . . . | $$ | . X . X . . . . O O X O . . . X . . . | $$ | . O X . X X X O O X X O . . O X . . . | $$ | . O O , X O O X O X . . . . O , X . . | $$ | . . . O . . . X O . X X . . . X . . . | $$ | . . . . . O O X O . O . . X . . . . . | $$ | . . . . . . . X . . . . . . . . . . . | $$ | . . O . . O . . . O . . . . . . . . . | $$ | . . . . . . . O . . . . . . . . . . . | $$ | . . X , . . . . . , . . . . . , B . . | $$ | . . . X . . . . . . . . . . . . . . . | $$ | . . O X . . . . . . . . . . . . O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . O . . . | $$ | . O . O . . . . . , . . . X . , O . . | $$ | . . . . . O . . . . . . . . . X O . . | $$ | . . . . . . . . . . . . . . X . X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
I have a hard time deciding between this move and a move on the bottom side. I went for the right side, putting a bit of pressure on the white group there. I have a nice follow-up at 'a' below. Concerning the bottom side, I might want to play at 'b' later, so a move there might end up approaching a strong white group a bit too closely. One more thing: I'm not sure the marked exchange was good for white. Now that the black group is loosely surrounded, I think white would rather have the opportunity to push and cut instead.
[go]$$c Black: 0 White: 0 $$ --------------------------------------- $$ | . . . . . . . . . . . X . . . . . . . | $$ | . X . X . . . . O O X O . . . X . . . | $$ | . O X . X X X O O X X O . . O X . . . | $$ | . O O , X O O X O X . . . . O , X . . | $$ | . . . O . . . X O . X X . . . X . . . | $$ | . . . . . O O X O . O . . X . . . . . | $$ | . . . . . . . X . . . . . . . . . . . | $$ | . . O . . O . . . O . . . . . . . . . | $$ | . . . . . . . O . . . . . . . . . . . | $$ | . . X , . . . . . , . . . . 1 . X . . | $$ | . . . X . . . . . . . . . . . . . . . | $$ | . . O X . . . . . . . . . . W . O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . O . . . | $$ | . O . O . . . . . , . . . X . , O . . | $$ | . . . . . O . . . . . . . . . X O . . | $$ | . . . . . . . . . . . . . . X . X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
The shoulder hit is the most interesting alternative move here. This variation is playable for white, but if black wants to avoid it, he simply extends in the other direction. The main reason I chose the attachment instead of the shoulder hit is that the shoulder hit weakens my other group instead of strengthening it.
Posts: 6727 Location: Cambridge, UK Liked others: 436 Was liked: 3720
Rank: UK 4 dan
KGS: Uberdude 4d
OGS: Uberdude 7d
My feeling is black can resist with the extend and double hane connect under squeeze tesuji but I didn't read deeply. Maybe white could find a way to use the aji of this and the dead top group to get something.
[go]$$c Black: 0 White: 0 $$ --------------------------------------- $$ | . . . . . . . . . . . X . . . . . . . | $$ | . X . X . . . . O O X O . . . X . . . | $$ | . O X . X X X O O X X O . . O X . . . | $$ | . O O , X O O X O X . . . . O , X . . | $$ | . . . O . . . X O . X X . . . X . . . | $$ | . . . . . O O X O . O . . X . . . . . | $$ | . . . . . . . X . . . . . . . 3 . . . | $$ | . . O . . O . . . O . . . . 2 1 . . . | $$ | . . . . . . . O . . . . . . . W X . . | $$ | . . X , . . . . . , . . . . . O X . . | $$ | . . . X . . . . . . . . . . . X O . . | $$ | . . O X . . . . . . . . . . . . O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . 5 . . . . . | $$ | . . . . . . . . . . . . . . . O . . . | $$ | . O . O . . . . . , . 4 . X . , O . . | $$ | . . . . . O . . 6 . . . . . . X O . . | $$ | . . . . . . . . . . . . . . X . X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
One of the possibilities if he doesn't respond and fix his weakness. If he wants to ignore and go for the bottom anyway, he must let me hane at the head of his 2 stones.
[go]$$c Black: 0 White: 0 $$ --------------------------------------- $$ | . . . . . . . . . . . X . . . . . . . | $$ | . X . X . . . . O O X O . . . X . . . | $$ | . O X . X X X O O X X O . . O X . . . | $$ | . O O , X O O X O X . . . . O , X . . | $$ | . . . O . . . X O . X X . . . X . . . | $$ | . . . . . O O X O . O . . X . . . . . | $$ | . . . . . . . X . . . . . . . . . . . | $$ | . . O . . O . . . O . . . . . . 1 . . | $$ | . . . . . . . O . . . . . . . O X . . | $$ | . . X , . . . . . , . . . . . O X . . | $$ | . . . X . . . . . . . . . . 2 B O . . | $$ | . . O X . . . . . . . . . . . . O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . a . . | $$ | . . . . . . . . . . . . . . . O . . . | $$ | . O . O . . . . . , . . . X . , O . . | $$ | . . . . . O . 3 . . . . . . . X O . . | $$ | . . . . . . . . . . . . . . X . X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
So stretching and fighting looks like the only consistent move. It looks difficult, but white also has weaknesses, like 'a' above. I just hope I have not missed some obvious variation where I get crushed
[go]$$c Black: 0 White: 0 $$ --------------------------------------- $$ | . . . . . . . . . . . X . . . . . . . | $$ | . X . X . . . . O O X O . . . X . . . | $$ | . O X . X X X O O X X O . . O X . . . | $$ | . O O , X O O X O X . . . . O , X . . | $$ | . . . O . . . X O . X X . . . X . . . | $$ | . . . . . O O X O . O . . X . . . . . | $$ | . . . . . . . X . . . . . . . . . . . | $$ | . . O . . O . . . O . . . . . 2 W 1 . | $$ | . . . . . . . O . . . . . . . O X . . | $$ | . . X , . . . . . , . . . . . O X . . | $$ | . . . X . . . . . . . . . . X X O . . | $$ | . . O X . . . . . . . . . . . . O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . O . . . | $$ | . O . O . . . . . , . . . X . , O . . | $$ | . . . . . O . . . . . . . . . X O . . | $$ | . . . . . . . . . . . . . . X . X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
This is an interesting game for me. First of all, I play an opening I would probably never play. Secondly, Vincent seems to come up with moves I don't even consider as possibilities.
If white is complacent, this black move will cause him alot of grief. I've read out a,b,c and they all end in white being captured.
[go]$$c Black: 0 White: 0 $$ --------------------------------------- $$ | . . . . . . . . . . . X . . . . . . . | $$ | . X . X . . . . O O X O . . . X . . . | $$ | . O X . X X X O O X X O . . O X . . . | $$ | . O O , X O O X O X . . . . O , X . . | $$ | . . . O . . . X O . X X . . . X . . . | $$ | . . . . . O O X O . O . . X . . . . . | $$ | . . . . . . . X . . . . . . . . . 3 . | $$ | . . O . . O . . . O . . 7 6 . 2 W 1 . | $$ | . . . . . . . O . . . . . 5 . O X . . | $$ | . . X , . . . . . , . . . 8 . O X . . | $$ | . . . X . . . . . . . . . . X X O . . | $$ | . . O X . . . . . . . . . . . . O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . 4 . O . . . | $$ | . O . O . . . . . , . . . X . , O . . | $$ | . . . . . O . . . . . . . . . X O . . | $$ | . . . . . . . . . . . . . . X . X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
This is what I plan to do. White plays on blacks vital point. This move also puts some pressure on the two back stones. Should black decide to tenuki for the lower side with a large open extension like this, white can jump in and pincer immediately. White should be safe to fight like this because he doesn't have any weak groups, though the a group can still be harassed a little.
[go]$$c Black: 0 White: 0 $$ --------------------------------------- $$ | . . . . . . . . . . . X . . . . . . . | $$ | . X . X . . . . O O X O . . . X . . . | $$ | . O X . X X X O O X X O . . O X . . . | $$ | . O O , X O O X O X . . . . O , X . . | $$ | . . . O . . . X O . X X . . . X . . . | $$ | . . . . . O O X O . O . . X . . . . . | $$ | . . . . . . . X . . . . . . . . . X . | $$ | . . O . . O . . . O . . . . . O O X . | $$ | . . . . . . . O . . . . . . . O X . . | $$ | . . X , . . . . . , . . . O . O X . . | $$ | . . . X . . . . . . . . . . X X O . . | $$ | . . O X . . . . . . . . . . . . O . . | $$ | . . . . . . . . . . . . . B . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . O . . . | $$ | . O . O . . . . . , . . . X . , O . . | $$ | . . . . . O . . . . . . . . . X O . . | $$ | . . . . . . . . . . . . . . X . X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
This looks like the correct shape here. 'a' and 'b' are pretty much miai. Playing a one space jump instead is just begging for the attachment at 'c', and the diagonal move look lukewarm.
[go]$$c Black: 0 White: 0 $$ --------------------------------------- $$ | . . . . . . . . . . . X . . . . . . . | $$ | . X . X . . . . O O X O . . . X . . . | $$ | . O X . X X X O O X X O . . O X . . . | $$ | . O O , X O O X O X . . . . O , X . . | $$ | . . . O . . . X O . X X . . . X . . . | $$ | . . . . . O O X O . O . . X . . . . . | $$ | . . . . . . . X . . . . . . . . . X . | $$ | . . O . . O . . . O . . . . . O O X . | $$ | . . . . . . . O . . . . . . . O X . . | $$ | . . X , . . . . . , . . . O . O X . . | $$ | . . . X . . . . . . . . . . X X O . . | $$ | . . O X . . . . . . . . . . . . O . . | $$ | . . . . . . . . . . . . . X . . . . . | $$ | . . X . X . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . O . . . | $$ | . O . O . . . . . , . . . X . , O . . | $$ | . . . . . O . . W . . . . . . X O . . | $$ | . . . . . . . . . . . . . . X . X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
I'm unsure which move really is the best in this situation. I considered the moves below, d as a loose extension, b as a way to strengthen white before playing white move in the game, c is just directly protecting, a is trying to force black to connect but it will result in a complicated fight, possibly with 2 weak white groups...
In the end, I opted for the safe route and reduced his wall. It obviously has to be dealt with somehow, but in exchange I leave 1 weak group for him to attack.
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skydyr
