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Subject: Re: What if BOTH programs were put on Brute Force?

Author: Dana Turnmire

Date: 08:23:22 12/10/04

Go up one level in this thread


Wouldn't it test the evaluation function?  Just a thought.
>On December 09, 2004 at 14:07:04, Murat wrote:
>
>>
>>
>>White: Fritz 6 on a fixed depth of 6 plys and selective option in the engine
>>parameters changed to 0 from the defoult 2.
>
>I really don't see what this proves. Suppose you take the Mephisto Genius and
>run it at 6 plies, do you think they will be examining the same depth? Not in a
>million years as Lang's programs were highly selective. The fact is that if you
>were able to speed up the Mach III to the speed of a P90 and play it on equal
>hardware so to speak, it would most likely get *slaughtered* by Fritz 6. One
>need only look at the SSDF list and see the huge disparity of ratings on
>identical hardware of older and newer programs.
>
>Let's take Shredder 7 for example. On a K6/450 it is rated 2699. This rating
>represents its ability to beat other programs, which is exactly the subject of
>your post. Mind you, it is probably rated a good 30 points less than the 7.04.
>
>Well, I can see the culmination of Lang's programs on this list, the Genius 6.5,
>also tested on the K6/450. It is rated 2478, or well over 200 points less. The
>Mach III was far less developed, so it is safe to assume that had it somehow
>been ported to the PC as was, it would do a lot worse.
>
>                                          Albert
>
>>I did take Fritz out of book after
>>move 17 since the Mach III run out of its book at that point.
>>
>>Black: Chess Challenger Excel68000 Mach III at level G6 which is fixed at 6ply.
>>
>>[Event "Fixed level at 6 ply"]
>>[Date "2004.12.09"]
>>[White "Fritz 6"]
>>[Black "ChessChallengerMachIII"]
>>[Result "0-1"]
>>[ECO "B90"]
>>
>>1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3
>>d5 9. exd5 Bxd5 10. Nxd5 Nxd5 11. Qd3 Nc6 12. Rd1 Nxe3 13. Qxe3 Bd6 14. Bd3
>>Qh4+ 15. g3 Qe7 16. O-O Nb4 17. Bf5 O-O 18. c3 g6 19. f4 gxf5 20. cxb4 e4 21.
>>Nd4 Bxb4 22. Nxf5 Qc5 23. Nd4 Qe7 24. a3 Bc5 25. b4 Bb6 26. Rf2 Rac8 27. f5 Qe5
>>28. f6 Qh5 29. g4 Qg6 30. g5 Rfd8 31. Rfd2 Qh5 32. Re1 Qg4+ 33. Kf1 Rxd4 34.
>>Rxd4 Rc2 35. Rd8+ Bxd8 36. Qg3 Qf5+ 37. Kg1 Bb6+ 38. Kh1 Bc7 39. Rd1 Rxh2+ 40.
>>Kg1 Rh3 41. Qxh3 Qxh3 0-1
>>
>>I think the high ratings today's programs enjoy are 80% due to the advances of
>>hardware and 20% in actual programming improvement.
>>
>>I must say bravo Dan&Kate Spracklen, hell of a job.
>>
>>All the best
>>
>>Murat...



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