Round:

1 --> 32 games

2 --> 16

3 --> 8

4 --> 4

5 --> 2

6 --> 1

32 + 16 + 8 + 4 + 2 + 1 = 63

There are 2^63 different ways to fill out the bracket.

The current and commonly used formula for determining the RPI of a team at any given time is as follows.

RPI = (WP * 0.25) + (OWP * 0.50) + (OOWP * 0.25)

where WP is Winning Percentage, OWP is Opponents' Winning Percentage and OOWP is Opponents' Opponents' Winning Percentage.

http://en.wikipedia.org/wiki/Ratings_Percentage_Index

Is it a good model?

Is March Madness always the same?

March Madness: Statisticians quantify entry biases

http://www.physorg.com/news/2011-03-madness-statisticians-quantify-entry-biases.html

Sports Leagues Not Efficiently Structured, Scientists Say

'Match' Madness: Picking upsets a losing strategy

http://nrich.maths.org/1443

New Algorithm Ranks Sports Teams like Google's PageRankBehavior Changes Linked to March Madness

Is March Madness always the same?

**http://www.physorg.com/news/2011-03-madness.html**

March Madness: Statisticians quantify entry biases

http://www.physorg.com/news/2011-03-madness-statisticians-quantify-entry-biases.html

Odds are, seedings don't matter after Sweet 16, professor says

Computer system consistently makes most accurate NCAA picks

Sports Leagues Not Efficiently Structured, Scientists Say

'Match' Madness: Picking upsets a losing strategy

NCAA Tournament Pool: Leveling The Brackets

Physics Explains Why University Rankings Won't Change

New Algorithm Ranks Sports Teams like Google's PageRank

All bets are off: Office pools lead to unhappiness

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