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Subject: Re: a couple positions

Author: Will Singleton

Date: 17:33:04 08/30/99

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On August 30, 1999 at 14:15:06, Andrew Williams wrote:

>On August 30, 1999 at 13:12:10, Will Singleton wrote:
>
>>
>>In the following position, it appears Amateur makes the right move (Qc5) without
>>fully understanding the consequences.  Is it really the best move, and will your
>>program play it?
>>
>>30... Qc5
>>2r3k1/1p2qpp1/1R2b2p/4N3/8/4P3/p3NPPP/Q4K2 b - -
>>
>
>Hello Will,
>
>How long did it take Amateur to find it? PostModernist likes it after 54
>seconds, and sticks with it for at least 20 minutes. It takes nearly that
>long for the score to go positive, though.
>
>

Amateur's output.  Wouldn't have got it in a blitz game.

ply   score     time     nodes    pv

  2     -71     0.02      1732
  3    -135     0.04      2180    Rc2 Nd4 Rd2 Nxe6 Pxe6
  3     -74     0.06      3121    Rd8 Nd4 Bd5
  3     -71     0.07      3685    Rc5 Qd4 Rc2
  3     -70     0.09      4687    Bf5 Qxa2 Qxe5
  4     -69     0.11      5908    Bf5 Qd4 Rc2 Rb5
  5     -90     0.47     32179    Bf5 Rb5 Bb1 Nc3 Qe6
  5     -84     1.06     47098    f6 Ng6 Qd7
  5     -57     1.45     75906    Rc5 Nf3 Bd5 Nd4 Qe4
  5      67     2.24    106618    Qd8 Rxe6 Pxe6 Nd4 Qd6
  6      69     2.37    115929    Qd8 Rxe6 Pxe6 Nd4 Qd6 Nd3
  7     -81     9.04    417031    Qd8 Rb5 b6 Nf4 Qd2 Nxe6
  7     -74    13.45    629324    Qc7 Rb5 Rd8 e4 f6 Nf3
  7      73    26.56   1273792    Qc5 Rxe6 Pxe6 Ng6 Rd8 Nd4 Qc4 Ne2
  8      74    34.17   1646214    Qc5 Rxe6 Pxe6 Ng6 Rd8 Nd4 Qc4 Ne2 Qc7
  9     116    70.17   3553230    Qc5 Rxb7 Qd5 Rb6 Rd8 Nd4 Qxe5 Rxe6 Pxe6 Qxa2




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