Author: Uri Blass
Date: 19:38:27 09/22/01
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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
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