Author: Robert Hyatt
Date: 14:06:20 07/08/04
Go up one level in this thread
On July 08, 2004 at 16:59:07, James Robertson wrote: >On July 08, 2004 at 16:50:24, Robert Hyatt wrote: > >>On July 08, 2004 at 16:30:07, Ingo Althofer wrote: >> >>>On July 08, 2004 at 15:07:14, Anson T J wrote: >>> >>>>WCCC 2004 Cross Table After Round 6 >>>> >>>> 1 2 3 4 5 6 7 8 9 0 1 2 3 4 >>>>1 Deep JuniorEY * ½ 1 ½ 1 1 1 5.0/6 >>>>2 Shredder ½ * ½ 1 ½ 1 ½ 4.0/6 >>>>3 Deep Sjeng 0 * ½ ½ 1 ½ 1 3.5/6 11.00 >>>>4 Jonny 2.64 ½ ½ * ½ 0 1 1 3.5/6 10.25 >>>>5 ParSOS 0 ½ * ½ ½ 1 1 3.5/6 9.75 >>>>6 Fritz ½ ½ * 0 1 ½ 1 3.5/6 9.50 >>>>7 Diep 0 0 ½ * 1 1 1 3.5/6 9.25 >>>>8 Falcon Bar-Ilan 0 1 ½ 1 0 * 1 3.5/6 8.75 >>>>9 Crafty 19.15 0 ½ ½ 0 * 1 1 3.0/6 >>>>0 ISIChess 0 ½ ½ 0 * ½ 1 2.5/6 4.75 >>>>1 WoodPusher 1997 0 0 ½ * ½ ½ 1 2.5/6 3.25 >>>>2 Movei 0 0 0 ½ * 1 1 2.5/6 2.75 >>>>3 The Crazy Bishop 0 0 0 ½ 0 * 1 1.5/6 >>>>4 FIBIChess 0 0 0 0 0 0 * 0.0/6 >>> >>>Thanks for the good presentation. >>> >>>And now it becomes clear, why Fritz has to play against FIBIChess: >>>FIBI has played already against all on ranks 8 to 13... and Fritz is on >>>shared rank 3 to 8. >>> >>>Ingo Althofer. >> >> >>This obviously caused by _way_ too many rounds for 14 participants. It will >>almost end up a round robin, lacking only two games to make that happen... > >I don't see why this particular pairing is caused by the large number of rounds. >If there were only 7 rounds instead of 11, wouldn't the pairings up to this >point be exactly the same? Does the pairing program take into account the number >of rounds? No. The point is that the top programs have _already_ played. Now all that can be done is to pair them down. > >Correct me if I'm wrong, but this many rounds is definately good if the >participants are evenly matched. There are a lot of weak participants in this >event, but I still don't see what is gained by having fewer rounds. It seems to >me that the more games that each program plays, even against weak opposition, >should still help improve the overall result. Swiss needs log2(players). or log2(players)+1 to get the top few places right. Next best is round robin. As it is, everyone will play 11 other programs, missing two. A bit of luck can change the final order a bit. > >As an aside, Fritz' Bucholz will probably be shot by this pairing, as Junior and >Shredder will probably be the two programs that don't play FIBChess. > >James Probably won't matter with this many rounds. By the time it is all over, everyone will have almost equal Bucholz scores...
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