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

Author: Peter Skinner

Date: 09:41:36 11/15/00

Go up one level in this thread

On November 15, 2000 at 11:16:24, Uri Blass wrote:

>On November 15, 2000 at 11:12:30, Robert Hyatt wrote:
>
>>On November 15, 2000 at 09:52:03, Eduard Nemeth wrote:
>>
>>>This position is real from a game ( but not from Tiger ) !
>>>
>>>[D]8/8/8/6Np/2N5/Pk6/6K1/8 w - a3 0 1
>>>
>>>In this position played a old version from Fritz 5 (Fritz-Nemeth) Ne5?
>>>And the game was draw ! :)
>>>
>>>I give now this position Tiger 13.0 for test an Tiger 13.0 played Ne5 ?
>>>
>>>(With tablebases Tiger how about better)
>>>
>>>Eduard
>>
>>
>>Ne4 is a mate in 26, of course.  But a program that doesn't
>>support tablebases is probably not going to have a clue here.
>
>Junior5.9 without tablebase have no problem to find Ne4 with +4.08 score in a
>short time.
>
>Uri

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.

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

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