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Subject: Re: A good test position for program.

Author: Côme

Date: 13:12:06 12/05/99

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On December 05, 1999 at 15:51:17, Peter Fendrich wrote:

>On December 05, 1999 at 04:28:02, Côme wrote:
>
>>On December 04, 1999 at 17:35:38, Peter Fendrich wrote:
>>
>>>On December 04, 1999 at 17:24:24, Côme wrote:
>>>
>>>>On December 04, 1999 at 17:03:54, Peter Fendrich wrote:
>>>>
>>>>>On December 04, 1999 at 16:16:25, Côme wrote:
>>>>>
>>>>>>On December 04, 1999 at 15:43:53, Peter Fendrich wrote:
>>>>>>
>>>>>>>On December 04, 1999 at 15:01:57, Côme wrote:
>>>>>>>
>>>>>>>>Hello,
>>>>>>>>In this position:
>>>>>>>>8/prr2p1p/2R5/PP2pP2/3pRbPk/2pB3P/2P3K1/8 w - - 0 1
>>>>>>>>Does your program play the strong Rxf4! ?
>>>>>>>>Best Regards
>>>>>>>>Alexandre Côme
>>>>>>>yes, allmost instantly but is it for the right reason?
>>>>>>>
>>>>>>> 4        1     17    4379 a6 Rxc6 bxc6 Rc7 Bb5
>>>>>>> 4        1     18    7343 Rxc7  (Rb7c7  b5b6  a7b6  a5b6 Kh4g5  b6c7)
>>>>>>> 4        1     35    9148 Rxc7 Rxc7 b6 Re7 f6 Rd7 Rxf4
>>>>>>> 4        1     36   10744 Rd6  (Kh4g5  b5b6  a7b6  a5b6)
>>>>>>> 4        1     38   14522 Rd6 Rd7 a6 Rc7
>>>>>>> 4        1     39   16951 Rxf4  (Rc7c6  b5c6  e5f4  c6b7)
>>>>>>> 4        1     66   17547 Rxf4 exf4 Rh6 Kg5 Rh5  (Kg5f6)
>>>>>>> 5        1     69   22160 Rxf4 exf4 Rh6 Kg5 Rh5 Kf6 Rxh7
>>>>>>> 6        2     69   52827 Rxf4  ( e5f4 Rc6h6 Kh4g5 Rh6h7 Kg5f6  a5a6)
>>>>>>> 6        2    111   57685 Rxf4 exf4 Rh6 Kg5 Rxh7 Rc5 a6
>>>>>>> 7        2    119   99043 Rxf4 exf4 Rh6 Kg5 Rh5 Kf6 a6 Rb6 Rxh7
>>>>>>> 8        4     97  196024 Rxf4 exf4 Rh6 Kg5 Rxh7 Rc5 a6 Re7 Kh1
>>>>>>> 9        7     92  500606 Rxf4 exf4 Rh6 Kg5 Rxh7 Rc5 a6 Re7 Rh5 Kf6 Rh7
>>>>>>>10       46     87 2757877 Rxf4 exf4 Rh6 Kg5 Rxh7 Rb8 a6 Re8 Kf1 Re3 Be2
>>>>>>>11       91     86 5567097 Rxf4 exf4 Rh6 Kg5 Rh5 Kf6 g5 Kg7 f6 Kh8 Rxh7 Kg8
>>>>>>>                           a6 Rb6 Rg7 Kh8 Kh1
>>>>>>>//Peter
>>>>>>
>>>>>>Hello Peter,
>>>>>>Who is this program?
>>>>>>Try with commercial programs you will may be have some surprises!
>>>>>>Best Regards
>>>>>>Alexandre Côme
>>>>>
>>>>>It's my program Terra.
>>>>>I tried Hiarcs for a minute and it didn't like Rxf4.
>>>>>CM6000 had no problems to find it.
>>>>>Crafty 16.10 found it at iteration 11.
>>>>>From where is the position?
>>>>>//Peter
>>>>
>>>>
>>>>Hello Peter,
>>>>I tried Hiarcs too and after 10 min it don't find Rxf4!
>>>>I have seen this position in a Tournament.
>>>>How Strong is your program Terra?
>>>>Best Regards
>>>>Alexandre Côme
>>>
>>>Terra is fairly strong but not as strong as Hiarcs.
>>>In fact I don't have any good data to know how strong it is.
>>>I have only played it against other programs on the same machine and that
>>>doesn't give fair conditions for all programs.
>>> - Lesss hash
>>> - No pondering
>>> - etc.
>>>//Peter
>>
>>Hello Peter,
>>I have also forgotten than your program don't find the stongest continuation!
>>Best Regards
>>Alexandre Côme
>
>After a few hours Terra gets:
>16    14822    122 901869714 Rxf4 exf4 Rh6 Kg5 Rh5 Kf6 g5 Ke5 Rxh7 Re7 Kf3
>                             Rbd7 h4 Rc7 b6 Rb7 bxa7 Rxa7 a6 Ra8 g6 Rf8 h5 Ra7
>It seems ok to me but what's your main line?
>
>//Peter

My main line is Rxf7 exf4 Rh6 Kg5 Rh5 Kf6 Kf3 Ke5 f6 Kxf6 Kxf4.
I think is the best.
Best regards
Alexandre Côme



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