Author: Uri Blass
Date: 01:55:23 08/23/00
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On August 23, 2000 at 04:31:23, Sylvain Renard wrote: >>Looks like the ICCA has no computer (program) to make the pairings >>automatically. >> >>isn't that one of the best jokes i have ever heard. >>they have time almost a year, they play with lots of computers, >>and they still work with little papers, shuffled on a desk :-))) > > Hello, >you can find programs to make pairings, but it is more difficult >to find a program which follows exactly all the (complicated) rules >of swiss pairings. In France, there is only one : the program >provided by the French Chess Federation (FFE) (I don't know >for other countries). For the exam of arbiter, you have to do a pairing at home. >Some candidates used another program, thinking computers can't >make mistakes :-) But the program they used was not perfect and those candidates >had very low marks at their exam! > > As there are only 14 participants and 9 rounds, the pairings of the >last rounds will be very difficult to make. So problems only begin! > > Best regards, > Sylvain Renard Can we be sure that it will be possible to do the pairing of the last round if we assume 2 conditions: 1)All programs play against 9 different opponents 2)All program play exactly 4 or 5 times with white. I believe it is possible but I do not know about a proof that say that it is possible in the worst case. Uri
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