Author: Uri Blass
Date: 15:32:53 02/02/02
Go up one level in this thread
On February 02, 2002 at 18:20:09, Otello Gnaramori wrote:
<snipped>
>Uri,
>Here follows some games of my little tournament:
>
>[Event "Engine Tournament Blitz:25'"]
>[Site "Home"]
>[Date "2002.02.02"]
>[Round "1"]
>[White "Chess Tiger 14.0"]
>[Black "Fritz 7"]
>[Result "1-0"]
>[ECO "C24"]
>[PlyCount "135"]
>
>{W=12.0 ply; 139kN/s
>B=11.8 ply; 226kN/s
>} 1. e4 {0.16/12 27} 1... e5 {
>Both last book move 0.00/12 54} 2. Bc4 {0.12/11 50} 2... Nf6 {(Bc5) 0.06/11 37}
>3. d3 {0.12/10 21} 3... c6 {(Bc5) 0.03/11 71} 4. Nf3 {0.30/11 23} 4... d5 {
>-0.03/11 55} 5. Bb3 {0.28/10 22} 5... Bd6 {(a5) -0.03/9 27} 6. exd5 {
>(Bg5) 0.28/11 24} 6... cxd5 {-0.09/11 37} 7. O-O {0.34/10 19} 7... Nbd7 {
>(Nc6) -0.03/11 58} 8. Bg5 {0.82/11 58}
>[Event "Engine Tournament Blitz:25'"]
>[Site "Home"]
>[Date "2002.02.02"]
>[Round "7"]
>[White "Chess Tiger 14.0"]
>[Black "Fritz 7"]
>[Result "1-0"]
>[ECO "C24"]
>[PlyCount "91"]
>
>{W=13.4 ply; 139kN/s
>B=13.6 ply; 213kN/s
>} 1. e4 {0.16/12 29} 1... e5 {
>Both last book move 0.00/12 58} 2. Bc4 {0.12/11 56} 2... Nf6 {(Bc5) 0.06/11 39}
>3. d3 {0.12/10 23} 3... c6 {(Bc5) 0.03/11 76} 4. Nf3 {0.30/11 23} 4... d5 {
>-0.03/11 61} 5. Bb3 {0.28/10 25} 5... Bd6 {(a5) -0.03/9 33} 6. exd5 {
>(Bg5) 0.28/11 27} 6... cxd5 {-0.13/10 27} 7. O-O {0.34/10 22} 7... Nbd7 {
>(Nc6) -0.03/11 64} 8. Nc3 {0.82/10 20}
It seems that for some reason the engines ran slightly slower in the second
game.
It is easy to see that the first moves are the same and the evaluation are the
same except 6...cxd5 when the depth is not the same and the moves are the same
except move 8 of white when tiger could not get depth 11 in the second game
because it was slower.
I think that even if the games are not exactly the same because of the fact that
the engines do not run exactly in the same speed it is better not to use this
method because it is possible that Fritz is unlucky to get an opening that it
does not like and it is going to get the same opening again and again when you
use no book.
Uri
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