Thursday, October 18, 2018

Predicting the 2018 USTA League Nationals semi-finalists and champion - 40 & Over 4.5+ women

Now that the USTA has corrected a scheduling snafu where Mid-Atlantic was scheduled to play five matches, I can do the prediction for the 4.5+ women.

I've written about my simulations of the new format for USTA League Nationals, and hinted at who some favorites are, but now it is time to actually use the simulations to predict who the semi-finalists will be and of those, who the favorite to win it all is.

As a reminder, the simulations use the top-10 average for each team using my estimated ratings, and then account for some variation in play by each team and run through a million iterations to see what the most common result might be.

With the third weekend of Nationals, we'll look at the 40 & Over 4.5+ women that is coming up this weekend in Las Vegas, NV.

The simulation is pretty standard for this event, three teams very likely to at least make a tie for the semis, and four other with a greater than 50% chance.  There is a good chance of four undefeated, 17%, and the "lets hope it doesn't happen" five undefeated has a 4% chance which is higher than most.  Here are the four most likely:
  • Florida - 92%
  • Northern Cal - 90%
  • Southern - 85%
  • Southern Cal - 68%

The chances of these teams advancing is pretty close for #1 thru #3, so tie-breakers will come into play for the seeding in all likelihood, but if they are seeded as I list them, in the semis, Florida would be favored over Southern Cal and NorCal over Southern, and Florida the pick to win the final.

Should one of the above teams falter, Northern is really close to SoCal, and Texas and Pacific NW have good shots, New England the longshot.

If you are on one of the teams, or any team going to Nationals, it is not too late to get more details from my simulation or a flight report to scout opponents and plan your line-ups.  While the above is what the simulation says, the ratings aren't perfect between sections, players have good and bad days, not everyone will make the trip or players other than the top-10 will play, so some smart captaining can still go a long way and my reports can really help.  Contact me if interested in any reports.

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