Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: This Looks Too Difficult

Author: Richard Pijl

Date: 17:26:54 06/30/02

Go up one level in this thread


On June 30, 2002 at 19:07:11, José Carlos wrote:

>On June 30, 2002 at 15:53:42, Uri Blass wrote:
>
>>On June 30, 2002 at 15:15:10, Richard Pijl wrote:
>>
>>>>Here white plays Ng6+...!
>>>>Too difficult for my slow computor to find...:-)
>>>>Lets see what you can do with it...
>>>>
>>>[D]4qn1k/1b3rpp/pb2pB2/1pp1P2P/3p1NQ1/P2P2PB/1PP4K/5R2 w - - bm Ng6+; id
>>>>"ECM.1380"
>>>
>>>Baron 0.34b1 needs 12 seconds (9 ply deep) on an Athlon MP 2000+ to find it
>>>Richard.
>>
>>Movei does not find it even after finishing depth 12 .
>>It suggests Bh4 with +0.12 pawns advantage for white.
>>
>>Uri
>
>  Averno finds it in ply 11 after 20 seconds in an Athlon 550.
>
>  José C.

I've redone it with 0.34b2 and it improved to 9 seconds (still 9 ply) on the
same hardware:

 ply   time   nodes  score  pv
  8.      3  1164083     3  f6h4 b6c7 f1e1 b7c8 h5h6 h8g8 h6g7 f7g7 <HT>
  9&      7  2352164     0  f6h4 b6c7 f1e1 c7a5 e1f1 <HT>
  9+      9  3097712    33  f4g6 <HT>
  9&     10  3283115    33  f4g6 f8g6 <HT>
  9.     12  3771763    33  f4g6 f8g6 <HT>
 10&     15  4799361    44  f4g6 f8g6 h5g6 h7g6 g4g6 h8g8 h3g4 e8c6 g4f3 c6c8
f3g2
 10.     25  7989893    44  f4g6 f8g6 h5g6 h7g6 g4g6 h8g8 h3g4 e8c6 g4f3 c6c8
f3g2
 11&     34 10653455    55  f4g6 f8g6 h5g6 h7g6 g4g6 h8g8 h3g4 e8c6 g4f3 c6c8
f3h5 f7d7

Richard



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.