Author: Amir Ban
Date: 00:52:14 11/28/03
Go up one level in this thread
On November 27, 2003 at 21:14:38, Robert Hyatt wrote: >On November 27, 2003 at 20:00:56, Ulrich Tuerke wrote: > >>On November 27, 2003 at 19:56:18, Chessfun wrote: >> >>>On November 27, 2003 at 19:45:54, Robert Hyatt wrote: >>> >>>>On November 27, 2003 at 18:15:34, Amir Ban wrote: >>>> >>>>> >>>>>Here is the List-Brutus game from 7th round. >>>>> >>>>>Can anyone get any crafty version with any setting to play List's 13. Be2 or 19. >>>>>Qd4 ? >>>>> >>>> >>>>I'm not goint to get involved in this, since the ICGA has not asked me for >>>>any advice, analysis, or anything else. >>>> >>>>However, whether a program plays move X and Y has _nothing_ to do with >>>>whether that program is a clone or not. I can make a couple of very simple >>>>changes to Crafty and make it play _significantly_ different. >>>> >>>>This is the _wrong_ way to investigate this. The simplest way to prove or >>>>disprove this claim is for someone to obtain a copy of the source of List, >>>>then verify that it plays the moves actually played in the game (to verify >>>>that the source provided most likely is the source that played the actual >>>>games) then that source can be looked at carefully. If it is a copy of >>>>Crafty, this should be pretty easy to verify. I have done this in the >>>>past, myself, even without the source. IE voyager and le petite come to >>>>mind. >>>> >>>>I think that just saying "list plays the same moves as Crafty" or vice-versa >>>>really doesn't prove that one is a clone of (or derived from) the other. It >>>>is something that might raise the level of "interest", but it is not the >>>>"smoking gun" that is needed to really make such a strong accusation. >>> >>>I agree with all that. >>> >>>As List 5.04 was available by Chessbase didn't they see the source code in order >>>to create a Chessbase version?. >> >>I don't think so. ChessBase doesn't know the source code of their engines (with >>the exception of Fritz and Crafty). Usually, CB and the authors agree to an >>interface used for communication between the engine and the GUI. >> >>Uli >> > >I can't speak with absolute certainty, but I have personally _never_ seen >any ChessBase API specifications. I don't personally know anyone that ever >has. They have always protected that, I have always assumed that was done to >make it hard for someone to incorporate Fritz into some other "package" since >the API is invisible. > Junior has its own interface since 1997. Amir > >> >>> >>>Sarah. >>> >>> >>> >>> >>>>I assume the ICGA has something more to go on, that we are not aware of. >>>> >>>> >>>> >>>>>Amir >>>>> >>>>> >>>>>[Event "WCCC 11th"] >>>>>[Site "Graz"] >>>>>[Date "2003.11.26"] >>>>>[Round "7"] >>>>>[White "List"] >>>>>[Black "Brutus"] >>>>>[Result "1/2-1/2"] >>>>>[ECO "A00"] >>>>>[PlyCount "134"] >>>>>[EventDate "2003.??.??"] >>>>> >>>>>1. Nc3 d5 2. e4 dxe4 3. Nxe4 Nd7 4. d4 Ngf6 5. Ng3 h5 6. Bd3 c5 7. Nf3 h4 8. >>>>>Ne2 h3 9. gxh3 a6 10. Ng5 cxd4 11. Nxd4 Nc5 12. Bc4 e6 13. Be2 Nfe4 14. Nxe4 >>>>>Nxe4 15. Qd3 f5 16. Nb3 Qf6 17. c3 Bd7 18. Be3 Bb5 19. Qd4 Bxe2 20. Qxf6 Nxf6 >>>>>21. Kxe2 Rxh3 22. Nd4 Kf7 23. Nf3 Kg8 24. Ng5 Rh6 25. Nf3 Rh5 26. Bd4 Nd5 27. >>>>>Be5 a5 28. Rhg1 Rh7 29. Rad1 Rc8 30. Rd4 Nb6 31. Bd6 Bxd6 32. Rxd6 Na4 33. Rd2 >>>>>b5 34. h4 Nb6 35. Kf1 b4 36. cxb4 axb4 37. Rd4 b3 38. axb3 Rh6 39. Kg2 Kf7 40. >>>>>Ra1 Nd5 41. Rc4 Rb8 42. Ne5+ Kg8 43. Ra7 Rxb3 44. Nf7 Rg6+ 45. Ng5 Rb8 46. Kf1 >>>>>Rf6 47. Rd4 Rg6 48. b3 Rh6 49. Kg2 Rg6 50. f3 Nf6 51. Re7 Nd5 52. Rxe6 Rxe6 53. >>>>>Nxe6 Rb5 54. Kf2 Kf7 55. Nf4 Nxf4 56. Rxf4 Rxb3 57. Rxf5+ Kg6 58. Rg5+ Kf6 59. >>>>>Rc5 Kg6 60. Rc6+ Kh5 61. Kg3 Rb1 62. Rc5+ Kg6 63. Re5 Kf6 64. Ra5 Kg6 65. Kg2 >>>>>Rb2+ 66. Kh3 Rb1 67. Rg5+ Kf6 1/2-1/2
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.