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Subject: Re: Pawn Torture tests?

Author: Sune Larsson

Date: 10:20:30 09/26/01

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On September 25, 2001 at 22:56:30, Koundinya Veluri wrote:

>Here's a good one I just found today in Franks's little test tournamet:
>
>Leila - King of Kings
>
>[D]6B1/1pp3p1/3p4/n1k2P2/2P3P1/4K3/8/8 b - - 0 40
>
>I think black already lost here, but it takes a very long time for a program to
>know this without good "passed pawn unstoppable" or "strong advanced connected
>passed pawns" knowledge. For example, Crafty, which has this knowledge, starts
>off with a negative score but most other engines stay positive for a while.
>
>Koundinya


 One active way for black is 1.-d5. Game played out vs Deep Fritz went like
this:


[Event "Level=120'/40+60'/20+30'. "]
[Site "KIL"]
[Date "2001.09.26"]
[Round "?"]
[White "Deep Fritz"]
[Black "Larsson"]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "6B1/1pp3p1/3p4/n1k2P2/2P3P1/4K3/8/8 b - - 0 1"]
[PlyCount "31"]
[EventDate "2001.09.26"]

{128MB, PowerBig.ctg. PIII 800
} 1... d5 {0} 2. cxd5 {0.09/19 199} 2... Kd6 {
31} 3. Ke4 {0.09/19 151} 3... b5 {19} 4. g5 {0.06/19 174} 4... b4 {78} 5. Kd4 {
0.06/18 193} 5... b3 {6} 6. Kc3 {0.66/19 192} 6... Ke5 {578} 7. Be6 {
0.56/18 184} 7... b2 {6} 8. Kxb2 {0.44/19 120} 8... Nc4+ {4} 9. Kc3 {
0.34/21 193} 9... Nd6 {4} 10. f6 {0.16/21 202} 10... gxf6 {4} 11. g6 {
-0.06/21 276} 11... Ne8 {4} 12. Bd7 {0.00/22 159} 12... Ng7 {5} 13. Kc4 {
0.00/23 168} 13... f5 {7} 14. Kc5 {0.00/23 161} 14... f4 {11} 15. Bg4 {
0.00/22 177} 15... Kf6 {8} 16. Kc6 {0.00/22 119} 16... Kxg6 {94} 1/2-1/2

Sune



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