Author: Robert Hyatt
Date: 12:38:27 08/18/05
Go up one level in this thread
On August 18, 2005 at 14:46:58, Gian-Carlo Pascutto wrote: >On August 18, 2005 at 14:02:23, Robert Hyatt wrote: > >>On August 18, 2005 at 11:48:03, Gian-Carlo Pascutto wrote: >> >>>On August 18, 2005 at 11:45:53, Robert Hyatt wrote: >>> >>>>On August 18, 2005 at 11:38:45, Peter Berger wrote: >>>> >>>>>On August 18, 2005 at 11:30:47, Robert Hyatt wrote: >>>>> >>>>>>BTW, since there are no public pairings available, when do we play? I am >>>>>>assuming not tomorrow morning, as two more blacks in a row is impossible for any >>>>>>decent RR pairing program. >>>>> >>>>>Friday >>>>> >>>>>Crafty - Futé >>>>>Jonny - Crafty >>>>> >>>>>Saturday >>>>> >>>>>Crafty - Baron >>>>>Zappa - Crafty >>>>> >>>>>Sunday >>>>> >>>>>Crafty - Isichess >>>> >>>> >>>>that is truly incredible luck. Not only do we get to be one of 6 that get the >>>>extra black, but we get black against every strong opponent in the event... I'm >>>>going to look at what has to go wrong to cause that. Normally RR events have a >>>>seeding to order the players, whether that will avoid this or not I don't know >>>>without some study... >>> >>>They drew a lot to determine the color sequence. 50% chance it had been exactly >>>the other way around. >>> >>>-- >>>GCP >> >> >>Not quite. 50% chance that we get 5 whites vs 6 whites. But almost zero >>chances to get another lot where we get blacks against the top programs. > >Huh? Not at all, colors would have been exactly reversed. Didn´t you pay >attention at the players meeting? > >-- >GCP Something is wrong then. Normally in a RR, you put N numbers in a hat, and the players draw their number and match it against the complete pairings already posted. You have a 50-50 chance of getting more whites or more blacks if there are an odd number of games. But the chances of getting all blacks against the top 1/2 of the field, strength-wise, is incredibly small. Was a bit hard to pay attention to the meeting that is 5 time zones removed from here... And of course nothing from that meeting makes it to the official web site, so who would know what happened except for just the participants that are present??? Or were the player numbers pre-assigned, and all that was done was to flip a coin to see whether one player gets white? And that makes no sense since the RR pairing programs assign colors statically (i.e. a pairing of the form 01-07 means player 1 is white against player 7...) I don't see how one could come up with a "normal scheme" to just flip all the colors. At least not in any RR that I have ever played in or directed. I'll do some net searching to see if I can find any alternative to the usual "drawing of lots" to connect a player to a pairing number...
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