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Subject: Re: Book Learning

Author: Dan Kiski

Date: 02:42:05 12/30/98

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On December 30, 1998 at 03:39:09, Komputer Korner wrote:

>On December 29, 1998 at 16:20:06, Dan Kiski wrote:
>
>>The following game is from Fritz 5.16 v MCP8
>>
>>Fritz 5.16 white
>>MCP8       black
>>
>>1.  NF3......NF6
>>2.  D4.......E6
>>3.  C4.......B6
>>4.  NC3......BB7
>>5.  A3.......D5
>>6.  CD.......ED
>>7.  QA4 +....C6
>>8.  G3.......NBD7
>>9.  BG2......BD6
>>10. 0-0......0-0
>>11. BF4......QE7
>>12. BXD6.....QXD6
>>13. RFD1.....RFD8
>>14. E3.......A5
>>15. RAE1.....BA6
>>
>>Fritz is now out of book but chooses NH4, MCP8 is still in book expecting QB3.
>>
>>Now the postion after 16. NH4 i have played through countless times at varying
>>time controls yet MCP8 seems to always choose 16.......NG4.
>>
>>It has lost from this position over and over but always chooses 16.....NG4 and
>>after Fritz's 17. E4 replys with 17......QF6 it might from this point try to
>>change the odd move yet according to Fritz it was already way in front, can
>>someone explain how this book learning works and how many losses will it take
>>before the computer in this case MCP8 varies it's responce, in this case most
>>likely remove 16........NG4 since this seems to be the start of its problems.
>>At one point it added 16......NG4 to book after 6 straight losses using it.
>>
>>I wait until it is 7 points behind claim the win and then scroll back. Play 16.
>>NH4 then carry on again. Am I doing something wrong with this method.
>
>Maybe MCP8 doesn't learn if you claim a win.
>--
>Komputer korner

While that could be true, it don't explain why it would add NG4 to book as a
reply to NH4 unless it had the games in memory.





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