Author: Uri Blass
Date: 11:58:24 09/15/03
Go up one level in this thread
On September 15, 2003 at 14:39:45, Drexel,Michael wrote: >On September 15, 2003 at 13:33:16, Uri Blass wrote: > >>On September 15, 2003 at 12:20:17, Drexel,Michael wrote: >> >>>On September 15, 2003 at 09:54:51, Jim Monaghan wrote: >>> >>>>On September 15, 2003 at 09:11:25, emerson tan wrote: >>>> >>>>>I played a 24 game match between Shredder 6.02 and Hiarcs 7.32 with the >>>>>following opening. >>>>> >>>>>1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Ng5 Ngf6 6.Bd3 e6 7.N1f3 h6 8.Nxe6 >>>>> >>>>>Time control was 40/4hrs + 20/2hrs + 2hrs to finish on a 1.8 Ghz processor. >>>>> >>>>>Shredder played all the white games and Hiracs all the black games. The score >>>>>went 13-11 in Hiarcs favor. Only a couple of games were drawn. >>>>> >>>>>I choose Shredder 6.02 to have white because it likes whites position and >>>>>without an opening book, it will play the 8.Nxe6 sacrifice. Also, Shredder has a >>>>>positional learning. I choose Hiarcs for black solely because of its positional >>>>>learning. Positional learning is important in this one opening match since it >>>>>will be able to learn and improve its next play based on the same opening. >>>>> >>>>>Maybe 8.Nxe6 is not a forced win for white. Maybe Kasparov can study it and use >>>>>it in some high profile match against computers since most of the programmers >>>>>might put it in their books thinking its a forced win for white. >>>> >>>>Interesting test. I think you've shown that the position after 8.Nxe6 is roughly >>>>equal when played by two opponents with near perfect board sight and no >>>>emotions. >>> >>>Near perfect board sight? :) >>> >>>Shredder 6 and Hiarcs 7.32 have in fact no idea what is going on here. >>>White has a long-lasting positional advantage for the piece and will finally win >>>material and the game. Nobody dares to play 7...h6? in Correspondence games >>>because it is suicide. >>> >>>This position is a "Buch mit 7 Siegeln" for a Computer :) >>>Shredder 7.04 gives high score for white but it does not play the best moves. >>> >>>Michael >> >>Some questions: >>1)Did you beat programs with white after 7...h6? > >No, but I also did not lose or draw against any program after h6 :) > >>2)Can you give examples when you claim that shredder7.04 does not play the best >>moves? > >I have a theoretical articel about this line. Shredder analysed some critical >positions. >One example: > >[Event "?"] >[Site "?"] >[Date "2003.09.15"] >[Round "?"] >[White "?"] >[Black "?"] >[Result "*"] >[PlyCount "30"] >[EventDate "2003.09.15"] > >1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Ng5 Ngf6 6. Bd3 e6 7. N1f3 h6 8. >Nxe6 fxe6 9. Bg6+ Ke7 10. O-O Qc7 11. Re1 Kd8 12. c4 Bb4 13. Bd2 Bxd2 14. Qxd2 >Nf8 15. Bc2 Bd7 * > >Shredder 7.04 likes to play a4-a5-a6 here for a long time. > >Michael Movei also likes a4 What is the right plan for white? I see nothing good for white after 15.Bc2 Bd7. Uri
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