Author: blass uri
Date: 11:13:17 02/09/00
Go up one level in this thread
On February 09, 2000 at 13:38:27, Enrique Irazoqui wrote: >On February 09, 2000 at 13:33:33, blass uri wrote: > >>On February 09, 2000 at 13:16:59, Enrique Irazoqui wrote: >> >>>On February 09, 2000 at 13:02:30, blass uri wrote: >>> >>>>On February 09, 2000 at 12:54:24, Enrique Irazoqui wrote: >>>> >>>>>On February 09, 2000 at 12:50:57, blass uri wrote: >>>>> >>>>>>On February 09, 2000 at 12:25:08, Enrique Irazoqui wrote: >>>>>> >>>>>>>On February 09, 2000 at 12:00:36, blass uri wrote: >>>>>>> >>>>>>>>2rqr1k1/p3bp1p/6p1/n1pnP3/3pB1b1/PP3N2/2QN1PPP/B1R1R2K b - - 0 1 >>>>>>>> >>>>>>>>This position is from game 19 between Fritz6a and rebel Century. >>>>>>>>Rebel Century played 22...Rb8 after 81 seconds and lost the game. >>>>>>>> >>>>>>>>My original Rebel Century >>>>>>> >>>>>>>That's it. Did Ed send you the patched version that played in my tournament? >>>>>>>It's supposed to be identical to yours, except for the removal of some code that >>>>>>>improved the speed by 8%. It had to do with a discussion here between Ed and >>>>>>>Bob. Later on, Ed found out that this new code harmed Century, removed it and >>>>>>>sent me the patch. >>>>>>> >>>>>>>>(not 1.2) found after less than a minute on >>>>>>>>pentiumIII450(slower than enrique's hardware) the move >>>>>>>>22...Nf4 and does not change its mind. >>>>>>> >>>>>>> >>>>>>> >>>>>>>>probably an autoplayer problem. >>>>>>> >>>>>>>Nope, I just checked. Century picks Rb8 at ply 7.02 after 15 seconds, +0.38 eval >>>>>>>and keeps it until ply 9.01, when it switches to Nf4 after 238 seconds, +0.43. >>>>>>>Ed can confirm. >>>>>> >>>>>>I played a game against the original Rebel century that I got when I bought it >>>>>>and it found Nf4 in less than a minute. >>>>>> >>>>>>I used the infinite time control and told it to move when it used enough time. >>>>>>It could produce all the moves before Nf4 but swithced to Nf4 after less than a >>>>>>minute. >>>>>> >>>>>>Maybe the difference is because I used the game and not the position without the >>>>>>game. >>>>> >>>>>I used the game too, of course. >>>>> >>>>>>I do not know. >>>>> >>>>>If you check it with the patch Ed sent me, you will get the same results. >>>>> >>>>>Enrique >>>> >>>>It seems that this patch is not productive for Rebel Century >>> >>>Well... what can I say. If Ed sent it for the tournament it must be because it >>>is at least not worse than the original Century. >> >>I guess that he thought that it is not worse but the question is if he was right >>> >>>> because the >>>>commercial Rebel century without the patch can find Nf4 faster(only 58 seconds >>>>on my pentiumII450) >>> >>>One move, come on.. It doesn't prove that a program is better than another. >> >>My Rebel gives exactly the same score for Rb8 at depth 7(0.38) >>and exactly the same score for Nc4 at depth 9(0.43) but is wise enough to >>changes its mind at depth 8 for Nc4 (evaluation 0.41) > >Uri, do you really think that a difference of 3/100 of a pawn in the evaluation >is enough to tell which version of Century is better? Ed's criteria deserve more >credit than that, don't you think? I am not sure if the commercial version is better. One move is not enough to be sure about it. I did not say that I am sure about it but only that this is my impression. The bad results of Rebel century support my impression. Uri
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