On Wed, Dec 9, 2009 at 1:19 PM, Jacques Basaldúa wrote:
> 1. The 3 hashes:
>
> As Eric Boesch and Álvaro said, you can get the same codes
> as in the Black[], White[], Empty[] scenario using only 2
> BlackXorEmpty[] and WhiteXorEmpty[]
>
> 2. What does make sense is making a difference between a
>
On Tue, Dec 8, 2009 at 8:37 PM, David Fotland wrote:
> I use two values. I never even occurred to me to use three.
>
I use one, it never occurred to me to use two :)
At the time I'd never heard of Zobrist, but I used to use a single
value for each point to look up Joseki. By using white-value =
2009/12/9 Christian Nentwich :
> On Tue, Dec 08, 2009 at 09:30:47PM -0500, Eric Boesch wrote:
>>
>> > You can mathematically prove the two systems are almost the same, so
>> > there's no need to test.
>>
>> Yes, this was my line of thought, but I wasn't sure if I'm not missing
>> anything...
>>
>
On Tue, Dec 08, 2009 at 09:30:47PM -0500, Eric Boesch wrote:
> > You can mathematically prove the two systems are almost the same, so
> > there's no need to test.
>
> Yes, this was my line of thought, but I wasn't sure if I'm not missing
> anything...
>
>
If you ever decide to test which is fast
Hi!
Thanks to all for replies.
On Tue, Dec 08, 2009 at 09:30:47PM -0500, Eric Boesch wrote:
> You can mathematically prove the two systems are almost the same, so
> there's no need to test.
Yes, this was my line of thought, but I wasn't sure if I'm not missing
anything...
I use two values. I never even occurred to me to use three.
David
> -Original Message-
> From: computer-go-boun...@computer-go.org [mailto:computer-go-
> boun...@computer-go.org] On Behalf Of Petr Baudis
> Sent: Tuesday, December 08, 2009 2:50 PM
> To: computer-go@computer-go.org
> Subje
On Tue, Dec 8, 2009 at 5:49 PM, Petr Baudis wrote:
> Hi!
>
> In most papers I've read, three-valued Zobrist hashes are used - per
> intersection, values for "empty", "black" and "white" coloring [1].
> I'm not clear on why is the "empty" value needed, however, shouldn't
> only "black", "white" v
The empty value is not needed. In some games it's easier to have it
because it can be a simplification - everything handled uniformly for
instance and it can avoid a conditional branch but I don't think that is an
issue with Go.
- Don
On Tue, Dec 8, 2009 at 5:49 PM, Petr Baudis wrote:
> Hi
