WINLEVEL of team X vs team Y - The shortest chain of wins that includes a win by Team X and a loss by Team Y.

transitive win (tw) - Team X is awarded a transitive win against Team Y if it has a lower winlevel versus Team Y than the winlevel of Team Y versus Team X.

transitive tie (tt) - Team X and Team Y are transitively tied if their winlevels are equal versus each other.

transitive no decision (tnd) - If there is no level at which Team X has a transitive victory over Team Y and there is no level at which Team Y has a transitive victory over Team X, then each team is awarded a TND versus the other team.

transitive winning Percentage (tpct) - The Transitive Winning Percentage of each team = (TW + TT/2)/(Teams - 1 - TND). 

transitive losing Percentage (tlp) -The Transitive Losing Percentage of each team = 1 - TPCT.

winpoints (wp) - The Winpoints of Team X = sum of the TPCT of all the teams that Team X beat multiplied by the number of Games (G) that Team X played.

losspoints (lp) - The Losspoints of Team X = sum of the TLP of all the teams that defeated Team X multiplied by the number of Games (G) that Team X played. 

earned wins (ew) - The Earned Wins for each team indicate the strength of the team's wins compared to other team's wins.  EW = (WP - LP)/(G-1)+G/2.

earned winning percentage (epct) - The Earned Winning Percentage of each team = EW/G.  EPCT is standardized according to the number of regular season games played by the typical team for the relevant season. 

upset wins (uw) - The UW of Team X = the number of teams defeated by Team X that are ranked above Team X.

upset losses (ul) - The UL of Team X = the number of teams that defeated Team X that are ranked below Team X.

Positive ties (t+) - The (T+) of Team X = the number of teams that tied Team X that are ranked above Team X.

negative ties (t-) - The (T-) of Team X = the number of teams that tied Team X that are ranked below Team X.

plus/minus (pm) - The PM of each team = UW + (T+)/2 - UL - (T-)/2