Author: Serge Desmarais
Date: 18:32:58 09/17/98
Go up one level in this thread
On September 17, 1998 at 18:48:02, blass uri wrote: > >On September 17, 1998 at 18:23:31, Thorsten Czub wrote: > >>On September 17, 1998 at 17:46:21, Enrique Irazoqui wrote: >> >>>>and frederic paid for this... brilliant. >>> >>>In other words, Nunn came with a crooked test to favor Fritz. Old song of yours >>>and utter nonsense. >> >>it is written in css ! I really don't know what you have. it is all written in >>css. you only have to read it. >>John was asked to do this test. he did it for fred. for chessBase. not because >>he wanted it to do. he was asked to do it. >>If you cannot read, thats not my problem. >>take css and read it, there anything is written and published. >>he was ordered to make the test. and he did. and the test proves what it should >>prove: fritz is the best = smoking is not causing cancer, signed doctor malboro. > >I am not sure if fritz is the best by this test >a test of Fritz5 against Hiarcs6 in the nunn test on pentium200MMX >showed that Hiarcs6 won in 67 seconds per move 11:9 and in 600 seconds per move >10.5:9.5(Fritz5 won in 200 seconds per move 13:7) > >The tests were on pentium200MMX (fritz5 is optimized for this machine) > >Fritz5 won rebel9 on pentium200MMX in this test but maybe the results were the >opposite if they used your machines (K6/200) > >Uri You seem to give too much importance to the engine difference... I think it was said that Fritz on a K6 200MMX (as opposed to a P II 200MMX) was about 25-30% slower MAXIMUM. But to reach a depth of ONE ply deeper in the same time, one computer has to be between 500 to 600% faster! These numbers were taken from Dr Monroe Newborn's article Three Half-Moves From the World Championship (translated from French by myself) published in Échec + magazine #46 March/April 1986. It was an extrapolation about how many plies deep should a chess program go before being able to challenge Garri Kasparov. Despite the fact that is seems outdated, I was able to verify it myself. I had a position that was taking Genius 3 about 2h30 to reach a depth of 8 plies on my 486DX2/66. When I upgraded to my actual Cyrix P150+, I put the same position back in Genius 3 and it took a little more than 20 minutes to reach the same depth. Now, according to Speedcom (a simple program that tests computer speed), the Cyrix was between 6 to 7 times faster than the 486... So, 25-30% slower is not suppose to change anything, or so... I also remember Robert Hyatt saying that a decrease of 15% in spead was about nothing too... Serge Desmarais
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