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Subject: Re: Mate in 20 Moves

Author: Dann Corbit

Date: 17:47:59 01/26/06

Go up one level in this thread


On January 26, 2006 at 10:21:17, Eduard Nemeth wrote:

>Matt in 20 moves, composition by Eduard Nemeth 2002:
>
>[D]B2k4/KPpP4/n1Pb4/P5p1/5p2/5P2/8/8 b - - 0 1
>
>Analysis by Rybka 1.01 Beta 13 32-bit:
>
>1...Sb8 2.Kxb8 Lc5 3.a6 Ld4 4.a7 Lf6
>  =  (0.00)   Tiefe: 27   00:01:01  1464kN
>1...Sb8 2.Kxb8 Lc5 3.a6 Ld4 4.a7 g4 5.fxg4 f3 6.g5 f2 7.g6 f1D 8.g7
>  -+  (-319.61)   Tiefe: 28   00:02:49  2968kN
>
>(Nemeth, Privat 26.01.2006)
>
>Rybka 1.01 Beta 13 finds it on my slow PC after 2:49.
>
>Which says other programs?

Fruit takes 31 seconds on 2.2 GHz AMD 64 bit with 512 MB ram and 3/4/5 man
tablebase files.

Analysis from E:\M20.EPD
1/26/2006 5:43:27 PM Level: 120 Seconds
Analyzing engine: Fruit2.2.1

1)
    Avoid move:
    Best move (Fruit2.2.1): Na6-b8
    Not found in: 02:00
    25/46	00:31	 100.458.442	984.267	+M20	Na6b8 Ka7xb8 Bd6c5 a5a6 Bc5e3 a6a7
g5g4 f3xg4 f4f3 g4g5 f3f2 g5g6 f2f1Q g6g7 Be3xa7+ Kb8xa7 Qf1g1+ Ka7b8 Qg1xg7
Kb8a7 Qg7d4+ Ka7b8 Qd4d1 Kb8a7 Qd1a4+ Ka7b8 Qa4xc6 Kb8a7 Qc6a4+ Ka7b8 Qa4xd7
Kb8a7 Qd7d4+ Ka7b8 Kd8e7 Kb8xc7
   1/26/2006 5:45:59 PM, Time for this analysis: 00:00:49, Rated time: 02:00

0 of 1 matching moves
1/26/2006 5:45:59 PM, Total time: 12:02:32 AM
Rated time: 02:00 = 120 Seconds



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