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Subject: Re: Can anyone help me to solve the following position ?

Author: John Merlino

Date: 14:13:15 03/23/99

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On March 23, 1999 at 13:22:38, Jeremiah Penery wrote:

>On March 23, 1999 at 13:12:16, John Merlino wrote:
>
>>On March 23, 1999 at 12:05:05, Joeri wrote:
>>
>>>white to move !
>>>white : pawns : c2 / c4 / a3 / f3 / g3 / h4
>>>        king  : g1
>>>        rook  : f1
>>>        bishops : g2 / e5
>>>        knight  : d4
>>>black  : pawns : a6 / b5 / e6 / e4 / f5
>>>         king : b7
>>>         queen : g8
>>>         bishop : c6
>>>         knight : c5
>>>The position is very difficult and i doubt any  computer will solve it !
>>
>>Chessmaster 6000, after thinking for 10 minutes to a depth of 6/11, preferred
>>cxb5 with a following line of:
>>
>>1...Bxb5 2.Rb1 Nd7 3.Bd6 Qh8 4.c3 exf3 5. Bxf3 Kc8 6.Nxe6 Qxc3
>>
>>and a score of 1.33 in white's favor.
>
>After 6. Nxe6 Qxc3, black is actually winning.  6. a4 is much better for white,
>with a +3 score.  I'm sure CM would find it with greater time/depth.
>
>Jeremiah

Most certainly. The 6/11 means that only 6 plies have been "brute force"
searched. The remaining 5 plies have only been "nominally" searched. So, in this
case, CM6000 is only certain of its line up to 3....Qh8, even though it reports
the entire line in its "Think Lines" window.

jm



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