Author: Christophe Theron
Date: 13:55:57 10/09/99
Go up one level in this thread
On October 09, 1999 at 14:12:22, blass uri wrote:
>On October 09, 1999 at 13:20:18, Christophe Theron wrote:
>
>>On October 09, 1999 at 00:12:56, Dann Corbit wrote:
>>
>>>r2r2k1/pQBb3p/6p1/3Pb2q/8/4pPP1/PP4BP/R2R3K w - -
>>>
>>>Zarkov 4.0 32 bit was stuck on Bxd8 for about 2200 seconds {around 62 million
>>>nodes}, then made this choice:
>>>22.Bxe5 Qxe5 23.f4 Qb8 24.Qb3 Qxb3 25.axb3 e2 26.Rd2 Bb5 27.Bf3 Re8 28.Re1
>>>Rad8 29.Bxe2 Bxe2 30.Rdxe2 Rxe2 31.Rxe2 Rxd5
>>>with an eval of about +2.00.
>>>
>>>About 10 minutes into the analysis, it could see that Bxd8 was bad
>>>(eval -0.23) but it took a very long time to find a suitable alternative.
>>>
>>>Crafty seems to avoid Bxd8 right away. How do other engines do? Perhaps it is
>>>some sort of a bug.
>>>
>>>Also, I only seem to get about 28KNPS for Zarkov 32 bit. Is it a slow searcher,
>>>or do I have my machine configured improperly? (It's only a 300MHz PII on the
>>>machine w/ Zarkov 4).
>>
>>
>>Tiger 12 running on K6-2 300MHz, 16Mb hash avoids the trap in 121.65 seconds and
>>plays Bxe5.
>>
>>Please note that in a real game, due to its time management and the fact that
>>the move Bxd8 has been identified as being not so good in the previous
>>iteration, Tiger would avoid the trap in a game in 45 minutes (G/45) on this
>>computer. On a 450MHz computer it would avoid the trap in G/30.
>
>Junior5.9 can avoid the trap at level of game/3 minutes on pentium200.
>
>Uri
That's very good. I'm looking forward a match Tiger 12.0 against Junior 5.9.
Christophe
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