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Subject: Re: Test your programs for a #18

Author: Marc D

Date: 12:10:08 05/24/05

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On May 24, 2005 at 14:54:20, Dieter Buerssner wrote:

>On May 24, 2005 at 14:39:56, Dieter Buerssner wrote:
>
>>For normal games, setting TB probing to aggressive is probably a bad idea. To
>>find a forced mate in endgame positions, it is often a good idea. It would
>>easily win the position with default settings, but probably need much longer to
>>show the mate.
>
>Didn't take that much longer with default settings (still using TBs):
>
>   2201416   6.750   3.64  9.  1.Ke8 Bh8 2.Bf8+ Kxh7 3.Rb7+ Kg8 4.h6 Bd4 5.Bg7
>                               Be3 6.Ba1 Bxh6 {420}
>   2315017   7.201   3.78 10t  1.Ke8 Bh8 2.Bf8+ Kxh7 3.Rb7+ Kg8 4.h6 Bd4 5.Bg7
>                               Be3 6.Ba1 Bxh6 7.Rf7 {420}
>   4478488  13.560   3.78 10.  1.Ke8 Bh8 2.Bf8+ Kxh7 3.Rb7+ Kg8 4.h6 Bd4 5.Bg7
>                               Be3 6.Ba1 Bxh6 7.Rf7 {420}
>   4544424  13.870   4.18 11++ 1.Ke8 Bh8 2.Bf8+ Kxh7 3.Rb7+ Kg8 4.h6 Bd4 5.Bg7
>                               a1=R 6.Bxd4 Rh1 7.Rg7+ Kh8 {430}
>   4549476  13.890   5.18 11++ 1.Ke8 Bh8 2.Bf8+ Kxh7 3.Rb7+ Kg8 4.h6 Bd4 5.Bg7
>                               Be3 6.Ba1 Bc1
>   4761820  14.822   5.60 11t  1.Ke8 Bh8 2.Bf8+ Kxh7 3.Rb7+ Kg8 4.h6 Bd4 5.Bg7
>                               Be3 6.Be5 Bxh6 7.Ra7 {420}
>   8614070  34.720   5.60 11.  1.Ke8 Bh8 2.Bf8+ Kxh7 3.Rb7+ Kg8 4.h6 Bd4 5.Bg7
>                               Be3 6.Be5 Bxh6 7.Ra7 {420}
>   9181905  36.653   5.72 12t  1.Ke8 Bh8 2.Bf8+ Kxh7 3.Rb7+ Kg8 4.h6 Bd4 5.Bg7
>                               Be3 6.Be5 Bxh6 7.Ra7 Bf8 8.Rxa2 Bc5 9.Rg2+ Kh7
>                               {500}
>  15993893  59.856   5.72 12.  1.Ke8 Bh8 2.Bf8+ Kxh7 3.Rb7+ Kg8 4.h6 Bd4 5.Bg7
>                               Be3 6.Be5 Bxh6 7.Ra7 Bf8 8.Rxa2 Bc5 9.Rg2+ Kh7
>                               {500}
>  16215775  1:01.3   6.12 13++ 1.Ke8 Bh8 2.Bf8+ Kxh7 3.Rb7+ Kg8 4.h6 Bd4 5.Bg7
>                               a1=B 6.h7+ Kxh7 7.Bxd4+ Kg8 8.Rg7+ Kh8
>  17155035  1:05.9   7.11 13t  1.Ke8 Bh8 2.Bf8+ Kxh7 3.Rb7+ Kg8 4.h6 Bd4 5.Bg7
>                               Be3 6.Ba1 Bxh6 7.Rf7H Bc1H 8.Rg7+H Kh8H 9.Rc7+H
>                               Kg8H 10.Rxc1H Kh7H {HT}
>  30938781  2:11.4   7.11 13.  1.Ke8 Bh8 2.Bf8+ Kxh7 3.Rb7+ Kg8 4.h6 Bd4 5.Bg7
>                               Be3 6.Ba1 Bxh6 7.Rf7 Bc1 8.Rg7+ Kh8 9.Rc7+ Kg8
>                               10.Rxc1 Kh7
>  31834138  2:14.0   7.51 14++ 1.Ke8 Bh8 2.Bf8+ Kxh7 3.Rb7+ Kg8 4.h6 Bd4 5.Bg7
>                               Bb2
>  33746202  2:17.7   7.51 14t  1.Ke8 Bh8 2.Bf8+ Kxh7H 3.Rb7+H Kg8H 4.h6H Bd4H
>                               5.Bg7H Be3H 6.Bb2H Bxh6H 7.Rh7H Kxh7H 8.Ba3H
>                               {HT}
>  63808560  3:44.1   7.51 14.  1.Ke8 Bh8 2.Bf8+ Kxh7 3.Rb7+ Kg8 4.h6 Bd4 5.Bg7
>                               Be3 6.Bb2 Bxh6 7.Rh7 Kxh7 8.Ba3
>  68175811  3:52.0   7.91 15++ 1.Ke8 Bh8 2.Bf8+ Kxh7 3.Rb7+ Kg8 4.h6 Bd4 5.Bg7
>                               Be3 6.Ba1 Bxh6 7.Ke7 Kh7 8.Kf6+ Kh8 9.Rb8+ Bf8
>                               10.Rxf8+ Kh7
>  69383516  3:56.5   8.91 15++ 1.Ke8 Bh8 2.Bf8+ Kxh7 3.Rb7+ Kg8 4.h6 Bd4 5.Bg7
>                               Kh7 6.Bxd4+ Kg6
>  77302043  4:09.8  13.12 15t  1.Ke8 Bh8 2.Bf8+ Kxh7 3.Rb7+ Kg8 4.h6 Bd4 5.Bg7
>                               Be3 6.Bc3 Bxh6 7.Ra7 Bf8 8.Rxa2 Bd6 9.Ra5 Bb4
>                               10.Bxb4 Kg7 11.Ra6 Kh7H {HT}
> 137890542  6:55.2  13.12 15.  1.Ke8 Bh8 2.Bf8+ Kxh7 3.Rb7+ Kg8 4.h6 Bd4 5.Bg7
>                               Be3 6.Bc3 Bxh6 7.Ra7 Bf8 8.Rxa2 Bd6 9.Ra5 Bb4
>                               10.Bxb4 Kg7 11.Ra6 Kh7
> 142486663  7:00.4  13.52 16++ 1.Ke8 Kxh7 2.Ra5 Bd4 3.Bc3 Bb6 4.Ra8 Kh6 5.Rxa2
>                               Kg5 6.h6 Kf4
> 142655988  7:00.6  15.02 16++ 1.Ke8 Kxh7 2.Ra5 Bd4 3.Bc3 Bf2 4.Ra8 a1=QH
>                               5.Bxa1H Kh6H 6.Kf7H Kg5H 7.h6H Kg4H 8.h7H Kf3H
>                               9.h8=QH Be3H {HT}
> 159264133  7:11.2  22.37 16++ 1.Ke8 Kxh7 2.Ra5 Bd4 3.Bc3 Bb6 4.Ra8 Kh6 5.Ra6
>                               Kg5 6.Rxb6 Kf5 7.h6 Ke4 8.h7 Kd3 9.h8=Q a1=Q
>                               10.Bxa1 Ke3H {1851}
> 867069866 14:48.6  Mat18 16t  1.Ke8 Bf6 2.h8=Q+ Bxh8 3.Bf8+ Kh7 4.Rb7+ Kg8
>                               5.h6 Be5 6.Bg7 a1=Q 7.h7+ Kxh7 8.Bxe5+ {EGTB}
>                               8...Kg6! 9.Bxa1! Kf5! 10.Rb4! Ke6! 11.Rd4 Kf6
>                               12.Kd7! Kf5 13.Rc4 Kg6! 14.Ke7 Kg5 15.Ke6! Kg6
>                               16.Bf6! Kh6 17.Kf7! Kh7 18.Rh4#! {850}
>
>Regards,
>Dieter


Hi Dieter

How long would it take yace without tbs?

Best
Marc



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