Life In 19x19
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PlaySlow
http://lifein19x19.com/viewtopic.php?f=48&t=11962
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Author:  ez4u [ Sun Nov 27, 2016 3:55 pm ]
Post subject:  Re: PlaySlow

On second thought we just kill it outright with a better continuation.
Click Here To Show Diagram Code
[go]$$Wc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . 8 9 . . . . |
$$ | . . . . . . . . . . . . 6 7 4 O X . . |
$$ | . . . . . . . . . . . . 0 5 1 X 2 . . |
$$ | . . . . . . . . . . . . X O 3 O O X . |
$$ | . . . O . . . . . , . . X X X O X . . |
$$ | . . . . . . . . . . . O X O O X X . . |
$$ | . . . . . . . . . . . . O . O O X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

Author:  PlaySlow [ Mon Nov 28, 2016 10:31 pm ]
Post subject:  Re: PlaySlow

Thanks for showing that version ez4u, I thought he's getting bad shape and i can abuse it but couldn't find a way in game.

Author:  PlaySlow [ Mon Nov 28, 2016 10:47 pm ]
Post subject:  Re: PlaySlow

Another game that i'm deeply unsatisfied with my strategical play. Tactically I have won because I've read much harder than him, but he should have won with ease.


Attachments:
[ZHONGGGGG]vs[eksert]2016112948196173 - Copy.sgf [3.88 KiB]
Downloaded 353 times

Author:  skydyr [ Tue Nov 29, 2016 9:06 am ]
Post subject:  Re: PlaySlow

Some thoughts on the game:



Attachments:
playslow.sgf [4.99 KiB]
Downloaded 558 times

Author:  dfan [ Tue Nov 29, 2016 9:34 am ]
Post subject:  Re: PlaySlow

At :w34::
Click Here To Show Diagram Code
[go]$$W
$$ . . . . X . . |
$$ . . X X X X . |
$$ X . X O O O . |
$$ . X O O . . . |
$$ . . . . . . . |
$$ ---------------[/go]


Both L+1 groups (I call this the "long L+1") are unsettled; White lives if he plays first, Black kills if he plays first.

White lives most easily like this (Black would not actually play :b2:, but it is the only remotely plausible way to attack):
Click Here To Show Diagram Code
[go]$$W
$$ . . . . X . . |
$$ . . X X X X . |
$$ X . X O O O . |
$$ . X O O . 1 . |
$$ . . . . 2 3 . |
$$ ---------------[/go]


Generally, you have to actually try to partition your eyespace into two eyes when you have a small amount of space like this; descending to the edge is not sufficient. With the move you played, Black could force a ko. Here is one plausible continuation:
Click Here To Show Diagram Code
[go]$$W
$$ . . . . X . . |
$$ . . X X X X . |
$$ X . X O O O 1 |
$$ . X O O . 2 5 |
$$ . . . . 4 3 6 |
$$ ---------------[/go]

Author:  PlaySlow [ Tue Nov 29, 2016 11:16 am ]
Post subject:  Re: PlaySlow

I didn't believe that I misread :w67: and didn't see that I'm swallowing two black stones. Thanks for the review and L+1 explanation.

Author:  PlaySlow [ Sat Dec 03, 2016 12:54 am ]
Post subject:  Re: PlaySlow

I've won against a 8kyu with 3 handicap and also won against a 5 kyu (both KGS) with no handicap. I feel I'm a bit lucky with the 5 kyu game since he made a blunder at the end of the mid game. I got have lots of questions. I was Black this game. Unfortunately I cannot paste with sgf in text. Both "notepad" copy paste and "adding download link" gives an error:(
http://eidogo.com/#wpZviyxc

Attachments:
cfyz7.sgf [7.42 KiB]
Downloaded 358 times

Author:  PlaySlow [ Sat Dec 03, 2016 2:52 am ]
Post subject:  Re: PlaySlow

Another game i felt clueless about some direction of play questions. Also i have missed 2 tenuki opportunities which was deadly.



Attachments:
analysis_loss.sgf [2.59 KiB]
Downloaded 371 times

Author:  Majordomo [ Sat Dec 03, 2016 5:44 am ]
Post subject:  Re: PlaySlow

For the previous game - I'll admit - I find it difficult to look at the whole picture but I commented on the stuff that came to mind as I looked over it. Take it all with a grain of salt!

You both blundered hugely once each (you with the wrong atari, him missing his), fortunately for you his came last hehe.
The two most important things:

Severity - it looked like you had several opportunities to cut and complicate, especially after you fell behind - but you didn't take them. But if you think you're behind, you sort of have to right? Make it hard on both of you, otherwise he'll just steer the game into a comfortable endgame and win?

And second - you said "negates my thickness" and that struck me as a flawed perspective - since I didn't think he'd done anything of the sort - he'd exchanged one weak and one safe group for two medium-weak groups and given you initiative. Your thickness was still there, not for making points but for helping you harrass him in the most severe way possible (which I'll admit, I have very little clue as how to do heh but maybe someone stronger can point it out).

Just some (dubious probably) ideas and thoughts heh (from a newly minted 2k on KGS).



Attachments:
sWaAETSD.sgf [9.15 KiB]
Downloaded 499 times

Author:  PlaySlow [ Sat Dec 03, 2016 10:37 am ]
Post subject:  Re: PlaySlow

Thank you very much for the comments Majordomo! There are too many moves I have missed in the close fights. Also I'm really clueless at attacking generally, that's why I've felt like my thickness is negated there. I felt like my top right group is weaker, but his upper group is in worse situation. I generally pay attention to "my" weak groups not opponent's.

Author:  PlaySlow [ Sun Dec 04, 2016 12:25 am ]
Post subject:  Re: PlaySlow

Another loss when i was white. The opponent has win percentage of %85, so he might be a smurf. I got lots of questions regarding middle game fighting and some strategic decisions. Thank you in advance! Since there is tournament at December 17th-18th, I'm trying to prepare hard.



Attachments:
2_questions.sgf [3.26 KiB]
Downloaded 351 times

Author:  ez4u [ Sun Dec 04, 2016 6:18 am ]
Post subject:  Re: PlaySlow

The lower right is interesting. In this case the ladders favor White. I think the key point is when Black jumps to 1 below. If White simply extends to 2, the threat on the left is the cut at 3, meanwhile on the right White can stop Black in his tracks with 4.
Click Here To Show Diagram Code
[go]$$Bcm1 :w2: with threats on both sides
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . X O O . . . . . . . . . . 2 . 4 . |
$$ | . X O . . . . . . . . . . . . O . 1 . |
$$ | . X O O . . . . . , . . . 3 X O . . . |
$$ | . O X O . X . . . . . . . X O X X X . |
$$ | . O X . . . . . . . . . . X O O O O . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

In the game White played the marked stone below instead. When Black answered with 1, there was still the opportunity to extend with 2. Black has filled his own liberty with 1, so it seems like White can play to capture Black down all along the right side with 10.
Click Here To Show Diagram Code
[go]$$Bcm1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . 0 . . |
$$ | . . . . . . . . . . . . . . . . . 7 . |
$$ | . . X X . . . . . . . . . . . . 8 6 9 |
$$ | . . X O O . . . . . . . . . . 2 4 5 . |
$$ | . X O . . . . . . . . . . . . O 1 X . |
$$ | . X O O . . . . . , . . . 3 X O . . . |
$$ | . O X O . X . . . . . . . X O X X X W |
$$ | . O X . . . . . . . . . . X O O O O . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

Author:  PlaySlow [ Sun Dec 04, 2016 9:49 pm ]
Post subject:  Re: PlaySlow

Yeah, you are right ez4u. I couldn't read the whole sequence, thus I've taken the trade. I will try to read harder these sequences. I could have gained a big advantage over bottom right.

Author:  Knotwilg [ Mon Dec 05, 2016 6:46 am ]
Post subject:  Re: PlaySlow

I'm happy I found the same suji as Dave :)

Some more comments on this bloody fight.


Author:  PlaySlow [ Thu Dec 08, 2016 10:56 am ]
Post subject:  Re: PlaySlow

@Knotwilg, I didn't find out about the end game fight sequences, thank you.
Also I do not believe how i missed :w76:, it's incredible that how can i misread these easy situations..

Author:  PlaySlow [ Sun Dec 11, 2016 12:51 am ]
Post subject:  Re: PlaySlow

Another game against a 5 kyu. I felt like I'm ahead all game long until end game. I couldn't use the aji and thickness properly imo as well as some ddk moves here and there.
I noticed :b31: was 1 line off after review:D, don't u agree?


Attachments:
how to use thickness.sgf [3.21 KiB]
Downloaded 351 times

Author:  skydyr [ Mon Dec 12, 2016 8:36 am ]
Post subject:  Re: PlaySlow

Some thoughts on this game:



Don't worry that you need to be alive before you can attack. Done right, you can make yourself alive in the process of attacking. Defenders often need to make contact moves, and contact moves strengthen both sides.

Most importantly: DON'T LET YOUR CUTTING STONES GET CAPTURED!

Attachments:
how to use thickness.sgf [7.04 KiB]
Downloaded 489 times

Author:  PlaySlow [ Thu Dec 22, 2016 10:48 am ]
Post subject:  Re: PlaySlow

Thanks for the review skydyr!
Here's another game I lost to a player who makes overextensions all over the board at the beginning of the game.



Attachments:
loss1.sgf [3.28 KiB]
Downloaded 330 times

Author:  Knotwilg [ Fri Dec 23, 2016 6:36 am ]
Post subject:  Re: PlaySlow

Highlights

The opening was favorable because of White's overplays. You make a few soft moves in the early middle game but you are still ahead. Your sense of direction is way better than your opponent's.

78 - your positional judgment is way too pessimistic; we've seen this before, so you must really learn to do a positional judgment because your feelings betray you.

91 & 95 - two technical mistakes in life & death positions and White is alive, where he shouldn't; again this leads to needless frustration at your end, because you're still ahread, beit less than at 78

101 - a severe technical mistake, which White uses to gain tempo

115 - your sense of direction remains splendid

130 - your view is pessimistic; you stop caring about playing the best move because in your head you have already lost

204 - your view is pessimistic and you resign too early; ok White leads by komi in the late end game but at our level, we should continue to squeeze as many points out of it as we can

Detailed review


Author:  PlaySlow [ Thu Dec 29, 2016 4:44 am ]
Post subject:  Re: PlaySlow

Hello again! Another game with some questions.. Especially about the bottom left corner situation. I think he should be in a worse position than me after the exchanges..


Attachments:
222.sgf [3.33 KiB]
Downloaded 357 times

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