Win% represents the percent games played that were won.
Games Won + ( Games Tied × 0.5 ) ) ÷ Games Played = Win%
( 1 + ( 0 × 0.5 ) ) ÷ 4 = 25.0%
SOS1 represents the average of opponents' Win% for each game.
AVERAGE(
50.0%
60.0%
40.0%
40.0%
85.7%
83.3% ) = 0.648
SOS2 represents the average of opponents' SOS1.
AVERAGE(
0.648
0.701
0.350
0.363
0.393
0.395 ) = 0.446
RPI represents the Ratings Percentage Index
( 40% × Win% ) + ( 40% × SOS1 ) + ( 20% × SOS2 ) = RPI
( 40% × 0.250 ) + ( 40% × 0.648 + ( 20% × 0.446 ) = 0.448
( 0.100 ) + ( 0.259 ) + ( 0.089 ) = 0.448