Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Chess Tiger 13.0 without tablebases (a test position) !

Author: Peter Skinner

Date: 04:51:33 11/16/00

Go up one level in this thread


>>Engine version   : Rebel Century 2.01
>>Hash table size  :  28 Mb
>>
>>8/8/8/6Np/2N5/Pk6/6K1/8 w - -
>>
>>00:00  01.01  3.13  1.Ne4 Kxc4
>>00:00  02.00  3.13  1.Ne4 Kxc4
>>00:00  02.15  3.13  1.Ne5
>>00:00  02.16  3.13  1.Nd6
>>00:00  02.17  3.13  1.Ne3
>>00:00  02.20  3.13  1.Nb6
>>00:00  02.21  3.13  1.Nb2
>>00:00  03.00  3.35  1.Ne4 Kxc4 2.a4
>>00:00  04.00  3.05  1.Ne4 Kxc4 2.Kh3 Kb5
>>00:00  04.01  3.05  1.Kg3
>>00:02  05.00  3.05  1.Ne4 Kxc4 2.Nf6 h4 3.a4
>>00:03  05.01  3.05  1.Kg3
>>00:03  05.02  3.12  1.Ne6 Kxc4 2.Nf4 h4 3.a4
>>00:05  06.00  2.71  1.Ne6 Kxc4 2.Nc7 Kb3 3.Nb5 h4
>>00:06  06.01  2.85  1.Ne4 Kxc4 2.Nd2+ Kb5 3.Kg3 Ka4
>>00:07  06.03  2.85  1.Kg3
>>00:11  07.00  2.91  1.Ne4 Kxc4 2.Nd2+ Kb5 3.Kg3 Ka4 4.Nc4
>>00:27  08.00  2.90  1.Ne4 Kxc4 2.Nd2+ Kb5 3.Kg3 Ka4 4.Nc4 Kb5 5.Nd6 Ka4
>>01:15  09.00  2.79  1.Ne4 Kxc4 2.a4 Kb4 3.Nc3 Ka5 4.Kh3 Kb4 5.Kg3
>>02:24  10.00  3.66  1.Ne4 Kxc4 2.a4 Kd5 3.Nc3 Kc6 4.Kh3 Kd7 5.a5 Kd6
>>02:26  11.00  4.12  1.Ne4 Kxc4 2.a4 Kd5 3.Nc3+ Kd4 4.Kh3 Ke5 5.a5 Kd6 6.a6
>>02:31  12.00  4.80  1.Ne4 Kxc4 2.a4 Kd5 3.Nc3+ Kd4 4.Kh3 Kc5 5.Kh4 Kc4 6.Kxh5
>>Kb4
>>02:40  13.00  4.81  1.Ne4 Kxc4 2.a4 Kd5 3.Nc3+ Kd4 4.Kh3 Kc5 5.Kg2 Kb4 6.Kh3 Kc5
>>7.Kg2 Kb4 8.Kh3
>>
>>Rebel Tiger 13.0
>>
>>Move: Nd2+  (3/22)  depth=16
>>Score: 6.62   depth: 16
>>Ne4 Kxa3 Kh3 h4 Ng6 Kb4 Nh7 Ka3 Ne5 Ka4 Nf6 Ka3 Nfg4 Ka4 Nd7 Kb4
>>
>>Tiger takes nearly 1.5 mins to find Ne4, yet Rebel 2.01 analysis engine in the
>>Rebel 11.0 package finds Ne4 instantly.
>
>Hello !
>
>Now I have copy this position with Copy-FEN in the Tiger 2 and here is the
>complet analysis from Riger 13.0 on my P600:
>
>00:00:00.2	6,62	8	104349	Ne5 Kxa3 Kh3 h4 Ng4 Kb4 Nf6 Ka3
>00:00:00.6	6,62	9	164124	Ne5 Kxa3 Kh3 h4 Ng6 Kb4 Ne4 Ka3 Nf6
>00:00:01.3	6,62	10	369047	Ne5 Kxa3 Kh3 h4 Ng6 Kb4 Ne4 Ka3 Nf6 Ka4
>00:00:03.4	6,62	11	833098	Ne5 Kxa3 Kh3 h4 Ng6 Kb4 Ne4 Ka3 Nf6 Ka4 Nf4
>00:00:06.5	6,62	12	1674057	Ne5 Kxa3 Kh3 h4 Ng6 Kb4 Ne4 Ka3 Nf6 Ka4 Nf4 Ka3
>00:00:12.6	6,62	13	3264429	Ne5 Kxa3 Kh3 h4 Ng6 Kb4 Nh7 Ka3 Ne5 Ka4 Ng4 Ka3 Nhf6
>00:01:27.3	6,60	14	24011669	Ne5 Kxa3 Kh3 h4 Ng6 Kb4 Nh7 Ka3 Ne5 Ka4 Nf6 Ka3 Ng6
>Ka4
>00:02:30.9	6,62	15	40910247	Ne5 Kxa3 Kh3 h4 Ng6 Kb4 Nh7 Ka3 Ne5 Ka4 Nf6 Ka3 Ne4
>Kb4 Ng4
>00:03:38.0	6,62	16	59138704	Ne5 Kxa3 Kh3 h4 Ng6 Kb4 Nh7 Ka3 Ne5 Ka4 Nf6 Ka3 Nf7
>Kb4 Nh6 Ka3
>00:07:28.3	6,62	17	122131984	Ne5 Kxa3 Kh3 h4 Ng6 Kb4 Nh7 Ka3 Ne5 Ka4 Ng4 Ka3 Ne3
>Ka4 Nf6 Ka3 Neg4
>
>Tiger is with Re5 in Deep 18 with Ne5 after > 10 minutes.
>
>Rebel Centuty is in this position better ! :)
>
>Regards,
>Eduard

As you can see I can get Tiger to find Ne4 after about 1.5 minutes. Rebel 2.1
finds it instantly. I am wondering why your Tiger will not go to Ne4 as quickly.
Possibly does this have anything to do with learning? You have already played
the game, I have not...



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.