Win% represents the percent games played that were won.
Games Won + ( Games Tied × 0.5 ) ) ÷ Games Played = Win%
( 5 + ( 1 × 0.5 ) ) ÷ 12 = 45.8%
SOS1 represents the average of opponents' Win% for each game.
AVERAGE(
42.9%
54.2%
71.4%
30.0%
69.2%
41.7%
0.0%
50.0%
53.8%
77.3%
41.7%
63.6% ) = 0.478
SOS2 represents the average of opponents' SOS1.
AVERAGE(
0.482
0.302
0.514
0.578
0.490
0.426
0.597
0.494
0.538
0.581
0.426
0.466 ) = 0.493
RPI represents the Ratings Percentage Index
( 40% × Win% ) + ( 40% × SOS1 ) + ( 20% × SOS2 ) = RPI
( 40% × 0.458 ) + ( 40% × 0.478 + ( 20% × 0.493 ) = 0.490
( 0.183 ) + ( 0.191 ) + ( 0.099 ) = 0.490