Author: Uri Blass
Date: 01:56:23 07/23/04
Go up one level in this thread
On July 22, 2004 at 23:04:38, Matthew Hull wrote:
>On July 22, 2004 at 17:41:33, Uri Blass wrote:
>
>>On July 22, 2004 at 15:59:51, Steven Edwards wrote:
>>
>>>On July 20, 2004 at 21:32:22, Dann Corbit wrote:
>>>>On July 20, 2004 at 16:37:18, Steven Edwards wrote:
>>>
>>>>>At this point, I've gotten the CTXboard class to the point where it connects
>>>>>reliably to xboard using xboard 's protocol version 2. Enough of the
>>>>>functionality is present to run automated matches; however, I haven't yet fully
>>>>>implemented the ponder features. As proof, here's some sample output, verbatim,
>>>>>from xboard running under the X11 package under Mac OS X 10.3 on a 700 MHz G3
>>>>>PowerPC notebook:
>>>>>
>>>>>[Event "Computer chess game"]
>>>>>[Site "jenn.local"]
>>>>>[Date "2004.07.18"]
>>>>>[Round "12"]
>>>>>[White "Crafty-19.13"]
>>>>>[Black "Symbolic"]
>>>>>[Result "0-1"]
>>>>>[TimeControl "300"]
>>>>>
>>>>>1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Bd6 7. O-O Ne7
>>>>>8. dxc5 Bxc5 9. Nb3 Bd6 10. Re1 O-O 11. Bg5 Bg4 12. Be2 h6 13. Bxe7 Bxe7
>>>>>14. h3 Bh5 15. c3 Bg6 16. Bd3 a5 17. Bxg6 fxg6 18. a4 Kh7 19. Nbd4 Qd7 20.
>>>>>Ne6 Rf6 21. Qe2 Bd6 22. Rad1 Nd8 23. Ned4 Qxa4 24. Nb5 Qa2 25. c4 Bb4 26.
>>>>>Nc7 Bxe1 27. Nxa8 Bb4 28. Rxd5 Ne6 29. Qc2 Nf4 30. Rd7 Nxh3+ 31. Kh2 Ng5
>>>>>32. Nxg5+ hxg5 33. Rxb7 Bd6+ 34. g3 Qa1 35. Qe2 Rf8 36. Nb6 Bc5 37. Nd7
>>>>>Rxf2+ 38. Qxf2 Bxf2 39. Nf6+ Kh6 40. Ng4+ Kh5 41. Nxf2 Qf1 42. Rf7 g4 43.
>>>>>b3 Qe2 44. Kg2 g5 45. Rf5 Qe3 46. Rb5 Qf3+ 47. Kf1 Kg6 48. Rxa5 Qxb3 49.
>>>>>Re5 Qxc4+ 50. Kg2 Qc6+ 51. Re4 Kf5 52. Kg1 Qxe4 53. Nxe4 Kxe4 54. Kf2 Kd3
>>>>>55. Kf1 Ke3 56. Ke1 Kf3
>>>>>{White resigns} 0-1
>>>>
>>>>A win against crafty even at blitz speed is impressive at this early stage of
>>>>development. Is this game a fluke or representitive of Symbolic's ability?
>>>
>>>Neither. In the above, Crafty is playing against the toolkit, not Symbolic's
>>>Lisp engine.
>>
>>
>>I do not understand.
>>Symbolic is the engine that you develop.
>>You say that the toolkit is another engine.
>
>
>IIRC, the toolkit "engine" is for the purpose of validating the tactical
>soundness of Symbolic's "plans".
>
>And this "toolkit" drew a game with Crafty. Scary.
>
>Dr. Frankenstein, I presume?
>
>:-O
This toolkit needs an evaluation of its own to play chess.
It seems to me that Crafty lost the game because of inferior evaluation and it
did not know that white knight at a8 is bad when toolkit probably knew it.
Uri
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