Win% represents the percent games played that were won.
Games Won + ( Games Tied × 0.5 ) ) ÷ Games Played = Win%
( 3 + ( 0 × 0.5 ) ) ÷ 12 = 25.0%
SOS1 represents the average of opponents' Win% for each game.
AVERAGE(
90.9%
70.6%
61.5%
65.0%
46.7%
69.2%
27.3%
12.5%
35.0%
22.2%
90.0%
90.0% ) = 0.567
SOS2 represents the average of opponents' SOS1.
AVERAGE(
0.563
0.519
0.488
0.457
0.506
0.470
0.353
0.487
0.550
0.488
0.375
0.217 ) = 0.456
RPI represents the Ratings Percentage Index
( 40% × Win% ) + ( 40% × SOS1 ) + ( 20% × SOS2 ) = RPI
( 40% × 0.250 ) + ( 40% × 0.567 + ( 20% × 0.456 ) = 0.418
( 0.100 ) + ( 0.227 ) + ( 0.091 ) = 0.418