Author: Uri Blass
Date: 02:56:50 02/01/05
Go up one level in this thread
On February 01, 2005 at 05:43:09, Uri Blass wrote:
>On January 28, 2005 at 08:36:45, Duncan Roberts wrote:
>
>>[D]rnbqkbnr/pppppppp/8/8/2BPPB2/2NRRN2/PPP2PPP/3Q2K1 w kq - 0 1
>>
>>
>>yace (material only) values the above at about 1.5 and suggests that one can
>>grab a pawn by move 6 in the above position, although fritz suggest that there
>>are better moves to be made and values it at about 2.5.
>>
>>
>>is it agreed that black cannot avoid losing a pawn by move 6, and is there
>>anyway white can get a pawn before move 6 ?
>>
>>
>>
>>depth=13 5/44(Bxf7+) +1.60 t 1.Ne5 e6 2.d5 Qf6 3.Rf3 Nh6 4.dxe6 fxe6 5.Nb5 Na6
>>6.Rxd7 c6 7.Rxb7 g5 8.Rxa7 {HT} {240}
>>
>>
>>fritz
>>
>>(1)nb5,na6(2)ne5,e7-e6(3)d4-d5,qe7(4)d5*e6,f7*e6(5)qh5,g7g6
>>
>>duncan
>
>
>Movei(only material) with values 1 3 3 5 9 finds a win of a pawn by Bxf7+ after
>10 plies and the score is constant until it complete 15 plies.
>
>If I give it the position after Ne5 then it finds a pawn loss after 13 plies and
>2 pawn loss after 15 plies.
>
>Fritz's move (Nb5) also wins material and after Nb5 movei finds a pawn loss
>after 12 plies.
>
>Uri
public movei after some minutes of search shows
depth=14 +4.00 f3e5 e7e6 d4d5 d8f6 e3f3 f6e7 c3b5 b8a6 d5d6 e7f6 f4g3 f6g5 f3f7
g8h6
Nodes: 132487074 NPS: 576231
Time: 00:03:49.92
latest movei(not only material) needs less nodes and shows slightly bigger
score(4.07 pawns for Ne5 at depth 14)
Uri
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