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Subject: Re: Chesstiger 15 bug in EGTB position with en-passant move

Author: George Tsavdaris

Date: 14:57:25 09/12/03

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On September 12, 2003 at 14:19:33, Christophe Drieu wrote:

>This is my Tiger 15 (Lokasoft) output:
>
>00:00:00.0	4,10	1	2	Kh6
>00:00:00.0	4,14	1	30	Kh6
>00:00:00.0	4,14	2	57	Kh6 Kg4
>00:00:00.0	5,04	3	141	Kh6 Kg4 Nf5
>00:00:00.0	5,30	3	191	Kh6 Kg4 Nf5 Kxf5 Kxh5
>00:00:00.0	5,30	4	235	Kh6 Kg4 Nf5 Kxf5 Kxh5
>00:00:00.0	5,64	5	597	Kh6 Kg4 Nf5 Kxf5 Kxh5
>00:00:00.0	5,64	6	769	Kh6 Kg4 Nf5 Kxf5 Kxh5 Kf4
>00:00:00.0	6,54	7	861	Kh6 Kg4 Nd5 Kh4 Nf6
>00:00:00.0	9,32	7	1279	Kh6 Kg4 Nd5 Kf5 Kxh5 Ke5 Nf6
>00:00:00.0	9,32	8	1847	Kh6 Kg4 Nd5 Kf5 Kxh5 Ke5 Nf6
>00:00:00.1	9,40	9	3603	Kh6 Kh4 Nd5 Kg4 Nf6+ Kf4 Kxh5 Ke5 Kh4
>00:00:00.1	10,30	10	6034	Kh6 Kh4 Nd5 Kg4 Nf6+ Kf4 Nxh5+ Ke3 g5
>00:00:00.1	10,30	10	6577	Kh6 Kh4 Nd5 Kg4 Nf6+ Kf5 Nxh5 Ke6 g5
>00:00:00.1	10,84	11	11133	Kh6 Kh4 Nd5 Kg4 Nf6+ Kf5 Nxh5 Ke6 g5 Kf5 Nf4
>00:00:00.1	11,74	12	16239	Kh6 Kh4 Nd5 Kg4 Nf6+ Kf5 Nxh5 Ke6 g5 Kf5 Nf4
>00:00:00.2	 Mate in 16	12	19744	Kh6 Kh4 Nd5 Kg4 Nf6+ Kh4 Nxh5 Kg4 g5
>00:00:00.2	 Mate in 16	13	44672	Kh6 Kh4 Nd5 Kg4 Nf6+ Kh4 Nxh5 Kg4 g5
>00:00:00.4	 Mate in 16	14	83384	Kh6 Kh4 Nd5 Kg4 Nf6+ Kh4 Nxh5 Kg4 g5
>00:00:00.7	 Mate in 16	15	177882	Kh6 Kh4 Nd5 Kg4 Nf6+ Kh4 Nxh5 Kg4 g5
>00:00:01.0	 Mate in 16	16	298694	Kh6 Kh4 Nd5 Kg4 Nf6+ Kh4 Nxh5 Kg4 g5
>00:00:01.8	 Mate in 16	17	532274	Kh6 Kh4 Nd5 Kg4 Nf6+ Kh4 Nxh5 Kg4 g5
>00:00:03.0	 Mate in 16	18	926241	Kh6 Kh4 Nd5 Kg4 Nf6+ Kh4 Nxh5 Kg4 g5
>00:00:05.1	 Mate in 16	19	1682409	Kh6 Kh4 Nd5 Kg4 Nf6+ Kh4 Nxh5 Kg4 g5
>00:00:08.2	 Mate in 16	20	2832246	Kh6 Kh4 Nd5 Kg4 Nf6+ Kh4 Nxh5 Kg4 g5

I can't believe this. CT-15.0 solve this in your computer in Lokasoft GUI, but
not in mine. What version for ChessPartner do you have? How much hash tables
did you use for the above analysis and what hardware was this?



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