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 Post subject: Big Picture Analysis - Am I Doing It Right?
Post #1 Posted: Mon May 18, 2015 1:21 am 
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My IGS rank is still embarrassingly low because I don't play on there enough. :oops:

I played a game tonight. I know I could have done better overall, and would gladly appreciate any comments, but I had some specific questions and thoughts about my play:

:b11: - I thought hard here. I decided that I had more potential for building than white because my 4-4's extension was high and my other corner had a Chinese pseudo-enclosure. I thought a lot about the spacing and went with a 6-2 relationship. Was this move correct? Should I have approached white instead?

:b25: - This move. I think it was a good choice, but it took some time to read. My thought was I could either cut off S7 or P11. In the end, my opponent chose to give me S7 and I got a good sized corner.

:b33: - Is this just making my stone heavy? Or is this cutting stone valuable? I thought I still had potential to attack white, so I saved it. In retrospect, perhaps I should have helped the upper right corner.

:b45: - I was in some time trouble having read so much with the :b33: decision and this corner. Sadly, I think this move was necessary to deal with the throw-in aji at Q15, so white gets to take my two stones. Still, I don't feel like I've fallen behind.

:b55: - I was not sure about this move at all. I also considered L14 and K17. For :b57:, I was just out of time - I made shape because I felt that was the least objectionable thing to do in this situation.

:b71: - I have the ladder here, so was this extension just slow? I was trying to be solid. But then, at :b75: I try to keep two alive groups split for the sake of being able to get an eye on the side. In retrospect, I think K12 or H11 would have been a stronger reply - white wouldn't take gote to kill my L18 stone.

:b97: - This was my victory declaration move. I didn't see where white would get enough points to come back without invading here, so I took the point away. The rest of the game involved some fighting, but I don't think I was in any real danger of losing. Is this assessment correct?



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_________________
"You have to walk before you can run. Black 1 was a walking move.
I blushed inwardly to recall the ignorant thoughts that had gone through
my mind before, when I had not realized the true worth of Black 1."

-Kageyama Toshiro on proper moves
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 Post subject: Re: Big Picture Analysis - Am I Doing It Right?
Post #2 Posted: Mon May 18, 2015 11:40 am 
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Some comments on the opening:

For :b13: or :b19: did you consider O13? This move, at the boundary between large B and W moyos, makes maximum use of your previous investment at Q7. The game move on the other side is much smaller in scale.

:b23: at O14 would be a stronger and more positive leaning attack. You can afford to let W consolidate some territory above, as it is unlikely you will be invading there. Attacking the W stones below from a position of strength is important. The game move is less forcing and leaves some nasty cut aji.

:b25: looks like bad shape to me, but if you read it out and liked the result, that is all that matters. I think I would prefer to cut immediately at Q10, without fixing the shape.

For :b31: the only move I would consider is connecting at O14. The game move is very big, but letting W cut makes a huge difference in center strength. After a B connection at O14, W looks very thin above. B can easily invade around L16 or K17 and demolish the upper side.

I like the attitude behind :b33: Since W is very weak below, this fight should be reasonable. It also makes full use of the previous B stones in this area. Maybe you could also win on territory, for example playing around M7 to urge W to capture the cutting stone on a small scale, but I prefer your choice.

Could :b39: block at S14? Difficult reading problem. W cannot directly push up and cut (B clamps at S17). Also note that B has an emergency escape at S10. So fighting here might be possible. The game sequence gives W a good result through :w46: If W simply connects under at M17 after that, the game looks fairly even -- B has more potential, but W has cash, and B has a weak center group.


This post by mitsun was liked by: moyoaji
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 Post subject: Re: Big Picture Analysis - Am I Doing It Right?
Post #3 Posted: Mon May 18, 2015 12:18 pm 
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Thank you very much, mitsun. This gives me good things to think about.

To be honest, I did not consider O13 in the game. It occurred to me during my own review afterwards. This is an important move in the Chinese that I often overlook. I will endevour to consider it more often going forward.

For :b23: I did consider O14, but thought the shape wasn't as good as O13. I read that O13 could not be cut because of my stone at R12, but did not consider how white could use that weakness to make shape. You are correct, I should have attached.

I did consider cutting Q10 directly for :b25:, but I didn't like the idea of white escaping with the Q9 hane. In retrospect, I don't see why I was so fixed on totally surrounding white. An attack would have been equally as profitable.

At :b31: I wanted to punish white in some fashion for ignoring my poke. That said, it was not my style to let myself get cut. Kageyama would not approve of such foolhardiness. I must keep my stones connected. Especially given the result in the corner, connecting would have been much stronger.

I'm glad you feel :b33: was reasonable - that decision took all my reading time from :w26: until I played it.

For the corner, I did not see the S10 option. That would have been important. I was fighting the clock at the time, so my reading was not as strong as it could have been. I also rushed into :b45:. I definitely feel that this was my weakest point in the game. I need to make wiser use of my time in the future so that I can play more strongly in these situations.

Thanks again for your comments. :)

_________________
"You have to walk before you can run. Black 1 was a walking move.
I blushed inwardly to recall the ignorant thoughts that had gone through
my mind before, when I had not realized the true worth of Black 1."

-Kageyama Toshiro on proper moves

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