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Virtueless
Path: CommentedGames
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PageType: OngoingGame
Migeru: KarlKnechtel calls this goban "virtueless".
KarlKnechtel: "Virtueless", of course, because heaven is missing. :) Some interesting properties:
- The centre breaks ladders, which in turn impacts several joseki sequences, I'm sure. But then, I don't know of joseki for 13x13.
- Four points in the middle that have only 3 liberties, like the edges. Could result in some sneaky tricks trying to connect through the centre.
- There is even less than no territory in the centre now. ;)
Agt: isn't mirror go possible without tengen ?
Migeru: I think the refutations of mirror go still work:
![[Diagram]](../../diagrams/12/1ce0ab5f421b67645a111d780ca67bb2.png) | Refuting mirror go |
![[Diagram]](../../diagrams/26/878ed0d19fde2f7fca06d328b5a486d9.png) | Refuting mirror go |
![[Diagram]](../../diagrams/52/c5672ded50d47423645bef1a7132b601.png) | White to play |
I would like to play a game on this board. Feel free to take White. - Migeru
exswoo:All righty.
![[Diagram]](../../diagrams/0/6fabe9a6016501442978b1104fb78b5f.png) | Goban with no tengen |
![[Diagram]](../../diagrams/11/8d5669bcfa05bb35e8f498a5f67f8478.png) | Captured stones and komi |
A kibitz: you both seem to be treating the gap in the center as a "ceiling". It seems to me that it is more like another "edge" that can be used to make a base. -- Darron Shaffer
exswoo:That's a good point. I didn't think of it in that way.
![[Diagram]](../../diagrams/25/92dd6a327329190e0ef737f8f9e90686.png) | Moves 51-60 |
- Black 55
- At this point white has secured 85 points (with area scoring) so I think I have lost the game. - Migeru
![[Diagram]](../../diagrams/47/61b4d37cba9eb87bcab4fdeec2f5d6ed.png) | Moves 41-50 |
- Black 47
- Looking for a place to resign...
- Black 43
- I think I have read this correctly. - Migeru
exswoo:Looks like Might've pushed it one too far. (W 42)
![[Diagram]](../../diagrams/34/aa84eaad0be6306101c9b25f08943e50.png) | Moves 31-40 |
- Black 37
- Let's try this.
- Black 35
- I don't think I have a choice here.
- Black 33
- If my reading is correct, we're going to see some very interesting stuff happening when I hit the center. - Migeru
- White 34
- True...if I was willing go that offensively...which I don't see the need for right now, since you're going to have to work to save those stones for the next couple of moves.
- Black 31
- Is a better? - Migeru
![[Diagram]](../../diagrams/10/d48b5204106fc8029df3d45946398b06.png) | Moves 21-30 |
- White 21
- Let's see what happens when you hit the center - Migeru
![[Diagram]](../../diagrams/49/c63fd4bca658b1cabd88ff21971966b3.png) | Moves 11-20 |
- Black 19
- I thought about playing at b, but then white can cut at a with lots of aji.
- Black 15
- Question: does the fact that the center breaks ladders make a not a cut point any more? - Migeru
exswoo after playing this far, I think the no Tengen variant has too big of an effect on a 13x13..
![[Diagram]](../../diagrams/31/f963c1a2aa39de657ef136164bc1916e.png) | Moves 1-10 |
- Black 7
- Let's make some territory on the top. - Migeru
- Black 3
- Now that I think about it, having no tengen makes the 3-4 point better than the hoshi. But that might not be true on 19x19. - Migeru
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This is a copy of the living page
"Virtueless" at
Sensei's Library.
2004 the Authors, published under the OpenContent License V1.0.
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