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EsX_Raptor
United States2802 Posts
![[image loading]](http://i49.tinypic.com/ic4wec.png) If it's black to move, where should he play? I was in a similar position when white played on H2, and I played on G1. White kept playing in there for a little bit but eventually stopped. I decided to ignore all that activity. At the end of the game, my group was deemed dead. Why, if I had two eyes? I can't believe I still don't understand this game!   | ||
micronesia
United States24740 Posts
edit: I'm rusty on my go but I think the idea is for YOU to play H2 before the opponent does, in that situation. Whichever way white responds you can finish creating the two eyes. | ||
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Hesmyrr
Canada5776 Posts
Needs to play at G2 to make stone at G1 work. | ||
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AmericanUmlaut
Germany2581 Posts
Edit: Oh, and to answer your question about why the group was actually dead, the link to Sensei's Library in the post above me is the correct answer. The one stone at G1, since it's not connected to the large group of stones, is still killable, so the "eye" that it makes is a false eye. | ||
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BrTarolg
United Kingdom3574 Posts
On November 10 2012 20:02 AmericanUmlaut wrote: If it's black to play, you can play at G1, J3 or H2, those all make the group unkillable. Technically, you can even play at G2 or H3 to make the group unkillable. If black plays elsewhere or passes, and white plays at H2, then the black group is dead. From that position, the only two potential eyes you can make are at F1 and J4, but both of those eyes would require two uninterrupted moves to make, so you'll be blocked and killed from that position regardless of what you do. Edit: Oh, and to answer your question about why the group was actually dead, the link to Sensei's Library in the post above me is the correct answer. The one stone at G1, since it's not connected to the large group of stones, is still killable, so the "eye" that it makes is a false eye. If white gets h2 i think you can still ko by playing on the 2-1 points | ||
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AmericanUmlaut
Germany2581 Posts
On November 10 2012 20:04 BrTarolg wrote: If white gets h2 i think you can still ko by playing on the 2-1 points Maybe I'm misunderstanding what you mean, but I'm pretty sure that's not right: W: H2 B: H1 W: J2 That blocks a ko. Black needs to be able to play at both H1 and J2 to set up a ko, but there's no reason that white has to allow that to happen. | ||
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incnone
17 Posts
W: H2 B: G1 W: G2 (otherwise B plays G2 for life) B: J3 W: H3 (otherwise B plays H3 for life) B: H1 and white is now short on liberties on the inside group. So it seems to me that black should tenuki. Edit: I take the above back, since (as vflux comments below) white actually makes seki after (W)H2 (B)G1 (W) J3, since now: (B) G2 ends in a seki after (W) H1 (making miai of H3 and J2); (B) H3 ends in a seki after (W) J2; and (B) H1 ends in a seki after (W) G2. (B) J2 ends in a seki after (W) G2. | ||
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Tal
United Kingdom1017 Posts
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vflux
New Zealand118 Posts
Although I think w can get a gote seki with H2 G1 J3. | ||
MasterOfChaos
Germany2896 Posts
As black I'd tenuki and try to live in the top left. It will probably fail, but if you don't the game is already lost. | ||
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AmericanUmlaut
Germany2581 Posts
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