Single Elimination Formulas
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Formulas for Single Elimination Tournaments:
with N= total number of entries, you can use the following formulas:







Number of games = N-1                                   13-1 = 12 games

Number of 2 - number of times 2 has to
be multiplied to equal or exceed the number
of entries

2x2 = 4
2x2x2 = 8
2x2x2x2 = 16
2x2x2x2x2 = 32

Number of Byes = Next Highest Power of 2 - N       16-13 = 3 byes

Number of Rounds = the power to which 2 must be raised                       2x2x2x2 = 4 rounds
to equal or exceed "N"

Number of first round games = N- (next lowest power of 2)          13-8 = 5 first round games