Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Unstable aspiration search

Author: Sune Fischer

Date: 15:50:42 02/11/03

Go up one level in this thread


On February 11, 2003 at 15:58:13, Robert Hyatt wrote:

>I'm not sure whether you still want me to play with the aspiration window
>and post results or not.   I ran this on my laptop and got Nb3 every time,
>with a score of about -1.0:
>
>                7->   1.60  -1.03   1. Nb3 Qf6 2. Bb2 Bf3 3. Qd3 Qc6 4.
>                                    e4
>                8     2.42  -1.13   1. Nb3 exd4 2. Nxd4 c5 3. bxc5 Nxc5
>                                    4. Bd2 Bc4 5. Re1 Qf6
>                8->   3.10  -1.13   1. Nb3 exd4 2. Nxd4 c5 3. bxc5 Nxc5
>                                    4. Bd2 Bc4 5. Re1 Qf6
>                9     6.81  -0.96   1. Nb3 exd4 2. Nxd4 c5 3. bxc5 Nxc5
>                                    4. Bd2 Ne6 5. Nxe6 Qxe6 6. Rc1
>                9->   7.60  -0.96   1. Nb3 exd4 2. Nxd4 c5 3. bxc5 Nxc5
>                                    4. Bd2 Ne6 5. Nxe6 Qxe6 6. Rc1
>               10    18.36  -1.19   1. Nb3 Qf6 2. Bd3 Qh4 3. Bxb5 Qxh3
>                                    4. f3 Nb8 5. dxe5 Qg3+ 6. Kh1 Bxe5
>               10->  22.43  -1.19   1. Nb3 Qf6 2. Bd3 Qh4 3. Bxb5 Qxh3
>                                    4. f3 Nb8 5. dxe5 Qg3+ 6. Kh1 Bxe5
>              time=23.28  cpu=99%  mat=0  n=8188457  fh=91%  nps=351k
>
>
>If you want me to run with different aspiration windows, let me know...

Just a quick question. What happens if you run with material eval only?
Does this increase instability?

It does in my case.

-S.



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.