Author: Robert Hyatt
Date: 07:33:01 08/17/99
Go up one level in this thread
On August 17, 1999 at 02:14:10, Ed Schröder wrote: >On August 16, 1999 at 23:55:49, Robert Hyatt wrote: > >>On August 16, 1999 at 14:25:47, blass uri wrote: >> >>> >>>On August 16, 1999 at 12:59:10, Ed Schröder wrote: >>> >>> >>>>But in the end the human knows how to play chess. A computer will never >>>>find moves like Ra1 (Fischer) or Rxd4 (Kasparov) and and and... Ok, maybe >>>>in 100 years :-) Just try this (old and simple) one. >>>> >>>>5rk1/5p2/pr2pPp1/Pp1pP1Pp/1PpP3P/K1P5/8/8 w - - am a5b6; >>> >>>Doctor3 after 16 minutes and 42 seconds on p200MMX: >>> >>>Kb2 44/45 with evaluation -10.51 >>> >>>Uri >> >> >>takes crafty on my PII/300 notebook 1:32 to find Kb2. Takes my quad xeon >>about 12 seconds. Here is PII/300 output: >> >> 18-> 12.18 -8.14 1. axb6 Rb8 2. Kb2 Rxb6 3. Kc2 a5 4. >> bxa5 Ra6 5. Kb2 Rxa5 6. Kb1 Ra3 7. >> Kb2 b4 8. cxb4 Rd3 9. b5 Rxd4 >> 19 18.89 -8.20 1. axb6 Rb8 2. Kb2 Rxb6 3. Kc2 a5 4. >> bxa5 Ra6 5. Kb2 Rxa5 6. Kb1 Kf8 7. >> Kb2 Ra4 8. Kb1 b4 9. cxb4 Rxb4+ 10. >> Kc2 Ke8 >> 19-> 19.09 -8.20 1. axb6 Rb8 2. Kb2 Rxb6 3. Kc2 a5 4. >> bxa5 Ra6 5. Kb2 Rxa5 6. Kb1 Kf8 7. >> Kb2 Ra4 8. Kb1 b4 9. cxb4 Rxb4+ 10. >> Kc2 Ke8 >> 20 20.22 -- 1. axb6 >> 20 31.67 -9.25 1. axb6 Rb8 2. Kb2 Rxb6 3. Kc2 a5 4. >> bxa5 Ra6 5. Kb2 Rxa5 6. Kb1 Ra3 7. >> Kb2 b4 8. cxb4 Rh3 9. Kc2 Rxh4 10. >> Kd2 Rxd4+ 11. Ke3 >> 20 1:32 -8.62 1. Kb2 Rfb8 2. Kc2 Kf8 3. Kd2 Ke8 4. >> Ke3 R6b7 5. Kd2 Ra8 6. Ke3 Kd7 7. Kf4 >> Rc8 8. Ke3 Kc6 9. Kf4 Rd7 10. Ke3 Rcc7 >> 20-> 1:32 -8.62 1. Kb2 Rfb8 2. Kc2 Kf8 3. Kd2 Ke8 4. >> Ke3 R6b7 5. Kd2 Ra8 6. Ke3 Kd7 7. Kf4 >> Rc8 8. Ke3 Kc6 9. Kf4 Rd7 10. Ke3 Rcc7 >> 21 2:32 -8.62 1. Kb2 Rfb8 2. Kc2 Kf8 3. Kd2 Ke8 4. >> Ke3 R6b7 5. Kd2 Ra8 6. Ke3 Kd7 7. Kf4 >> Rbb8 8. Kg3 Re8 9. Kf4 Rad8 10. Ke3 >> Rc8 11. Kf4 >> 21-> 2:32 -8.62 1. Kb2 Rfb8 2. Kc2 Kf8 3. Kd2 Ke8 4. >> Ke3 R6b7 5. Kd2 Ra8 6. Ke3 Kd7 7. Kf4 >> Rbb8 8. Kg3 Re8 9. Kf4 Rad8 10. Ke3 >> Rc8 11. Kf4 > >That's all nice of course but the score isn't 0.00 as it should be which >was my point of computers and understanding chess. Every 1500 player >sees it is a draw as long as you don't capture except computers. > >A 100 years before computers will recognize this kind of positions as >a draw? > >Ed Schroder I don't know about 100 years.. but it is "yae" (yet another exception). :) IE I handle several exceptions already (B+wrong RP(S), opposite bishops, who knows what else.) I can add more. But each one hurts all the unrelated positions since time is important... This is _exactly_ where programs have a huge hole. Because a human can learn the 'pattern' once and then apply it in similar (not just identical) cases. That is hard...
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