Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Crafty and Ruffian odd 4th move choice ...

Author: Mike Byrne

Date: 19:47:19 12/26/03

Go up one level in this thread


On December 26, 2003 at 21:16:37, Jim Monaghan wrote:

>On December 26, 2003 at 19:02:12, Mike Byrne wrote:
>
>>On December 26, 2003 at 18:10:51, Jim Monaghan wrote:
>
>>Which crafty version are you using?
>
>19.03 on a Cel 1.3ghz. From the 4th move position as White:
>
>[D]8/4P3/2B5/8/8/6p1/5kP1/5b1K w - - 0 4
>
>After a while and going to 22 ply, Crafty still wants to promote to a bishop:
>22/408
>4. e8=B Bd3 5. Bb5 Be4 6. Bec6 Bg6 7. Bf3 Bf5 8. Bbc6 Bg6 9. Bfe4 Bf7 10. Bd7
>Ke3 11. Bef5 Bb3 12. Bc6 Kd4 13. Bb5 Ke5 14. Bbd3 Bd5
>
>Thanks for trying those other engines Jamie, it seems others have trouble as
>well.
>
>Jim
>
>
>>Crafty 19.08 SE (available from for free by email with the word "include" in the
>>subject heading) sees your winning line in a few (6) seconds on my dual 1.7 Ghz
>>
>>Crafty19.08 SE  UCI 2 MB:
>> 8   00:00  2.46   1.e7 Ba4 2.Kg1 Bd7 3.Bg6 Be6 4.Bc2 Kf4
>> 9   00:00  1.49   1.e7 Kf4 2.e8Q Kg4 3.Qd7+ Kf4 4.Qxd1 Kg5 5.Qf3
>>10   00:00  1.73   1.e7 Kf4 2.e8Q Kg5 3.Qd8+ Kf4 4.Qb8+ Kg4
>>11   00:00  2.13   1.e7
>>11   00:00  2.30   1.e7 Kf2 2.Bd5 Ba4 3.Ba8 Be8 4.Bf3 Ke3 5.Kg1 Kf4 6.Bd5
>>12   00:01  2.23   1.e7 Kf2 2.Bd5 Ba4 3.Ba8 Be8 4.Bf3 Ke3 5.Kg1 Kf4 6.Bd5 Kg5
>>13   00:01  2.25   1.e7 Kf2 2.Bd5 Ba4 3.Ba8 Be8 4.Bf3 Ke3 5.Kg1 Kf4 6.Bd5 Ke5
>>7.Bc4
>>14   00:02  2.20   1.e7 Kf2 2.Bd5 Ba4 3.Ba8 Be8 4.Bf3 Ke3 5.Kg1 Kf4 6.Bd5 Ke5
>>7.Bf3 Kf4
>>15   00:03  1.30   1.e7 Kf2 2.Bd5 Ba4 3.Bf3 Be8 4.Bb7 Ke3 5.Kg1 Kf4 6.Kf1 Ke5
>>7.Ke2 Kd6 8.Kf3
>>15   00:04  1.37   1.Kg1 Bb3 2.Bg8 Ba4 3.Bh7 Kf4 4.Bd3 Bb3 5.e7 Ke5 6.Kf1 Kf6
>>7.e8N+ Kg5 8.Nd6
>>16   00:05  0.05   1.Kg1 Bb3 2.Bg8 Ba4 3.Bh7 Kf4 4.Bd3 Ke5 5.Bc4 Kd6 6.Ba2 Bc6
>>7.Bb3 Bd7 8.exd7 Kxd7
>>16   00:06  1.77   1.Be8
>>16   00:11  1.76   1.Be8
>>17   00:13  1.43   1.Be8 Kf2 2.Bc6 Be2 3.e7 Bf1 4.e8N Ke3 5.Bf3 Bd3 6.Nf6 Bg6
>>7.Kg1 Kf4 8.Nd5+ Ke5 9.Ne7
>>18   00:19  1.35   1.Be8 Kf2 2.Bc6 Be2 3.e7 Bf1 4.e8N Be2 5.Be4 Ke3 6.Nd6 Kf2
>>7.Bf5 Ke3 8.Kg1 Kf4 9.Be4 Ke3
>>19   00:26  1.37   1.Be8 Kf2 2.Bc6 Be2 3.e7 Bf1 4.e8N Be2 5.Nf6 Ke3 6.Nd5+ Kd4
>>7.Nf4 Bd1 8.Kg1 Ke5 9.Nd3+ Ke6 10.Nc5+ Kf5
>>20   00:27  1.30   1.Be8 Kf2 2.Bc6 Be2 3.e7 Bf1 4.e8N Be2 5.Nf6 Ke3 6.Be8 Kf4
>>7.Bh5 Bc4 8.Bf3 Kg5 9.Nh5 Kh4 10.Kg1 Bd5

Jim,

I just sent you my modified crafty to try this position on...

best,

Michael



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.