Author: Vincent Diepeveen
Date: 14:32:43 09/23/01
Go up one level in this thread
On September 22, 2001 at 22:38:27, Uri Blass wrote: >On September 22, 2001 at 18:31:43, Thomas Mayer wrote: > >>Hi Vincent, >> >>>>[Event "1st Intl. CSVN Trn."] >>>>[Site "Leiden NED"] >>>>[Date "2001.05.20"] >>>>[Round "07"] >>>>[White "Tao"] >>>>[Black "Quark"] >>>>[Result "1-0"] >>>> >>>>1. e4 e5 2. Bc4 Nf6 3. f4 Nxe4 4. Nc3 Nd6 5. Bb3 exf4 6. Nf3 Be7 7. Ne5 >>>>Bh4+ 8. g3 fxg3 9. O-O gxh2+ 10. Kh1 O-O 11. Qh5 Bf6 12. d4 b6 13. Kxh2 Ba6 >>>>14. Rf3 Bxe5+ 15. dxe5 g6 16. Qh6 Qe7 17. exd6 Qxd6+ 18. Bf4 Qd4 19. Ne4 >>>>Bf1 20. Raxf1 >>>>1-0 >>>> >>>> >>>>Quark fall in a booktrap here... last bookmove of Tao was 12. d4 (Quark was >>>>after 3. f4 out of book) >> >>>>position after 12. d4 >>>>[D]rnbq1rk1/pppp1ppp/3n1b2/4N2Q/3P4/1BN5/PPP4p/R1B2R1K b - d3 0 12 >> >>>Well too late already for book traps here IMHO everything loses here. >>>Is this a position where there is a best move for black anyway? >> >>no, not for black - the test is like this: take Yace as black and for white an >>engine of your choice... then let them play with different time controls... you >>will see that for many engines this is not as easy as it looks ! As I have said, >>crafty has failed as white, Shredder has failed as white and several other >>engines... I believe that Diep will handle it well... but many engines don't - >>e.g. my quark is still not doing a very clever job here... but with longer time >>controls it wins... >> >>So that's why I offer this position here - as I always say - it is not only >>important to have a good position, the engine must win it... I think now I have >>my quark at a point where it's king safety is good enough to see that black is >>under attack not white... (Quarks king safety has now nothing static anymore in >>it... that helps a lot...) >> >>>Not only to do with position i think , especially tactics here. >> >>hm, I don't think that crafty is bad in tactics... but anyway it fails here... > >I believe that crafty is weak at tactics relative to part of the other programs >when mate ideas are relevant. > >Uri that's not the problem here. the problem is that you need an engine which plays very active chess with white and which do not exchange pieces here. Now all engines named won't exchange pieces just like that but they definitely are not playing active. Obviously with mobility as a major term inside DIEP i crush everyone here.
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