When trying to predict games in the playoffs, historical context is important

So I created a metric that attempts to capture playoff experience into a single number for every player over their careers

I have heard it said that players need to loose before they can win, This metric can help capture who was gone through the pain of loosing in the playoffs, and who has overcome that pain, and who has pain to come

The Index is calculated by first assigning weights to different events

.5 for playoff appearances 1 for series wins 2 for finals appearance 3 for finals win

Then normalize these values to add up to 1 for later model training

Adversity Index Formula:

\[ \text{Adversity Index} = 0.0769 \times \text{Playoff Appearances} + 0.1538 \times \text{Series Wins} + 0.3077 \times \text{Finals Appearances} + 0.4615 \times \text{Finals Wins} \]

This is what it looks like for every player in 2024.

2003-2023 Playoff Experience
Player Team Finals Appearances Finals Wins Series Wins Playoff Appearances Adversity Index Score
LeBron James LAL 10 4 41 16 7.536200
Kevin Durant PHX 4 2 23 13 4.537100
Draymond Green GSW 6 4 24 9 4.383300
Klay Thompson GSW 6 4 24 9 4.383300
Stephen Curry GSW 6 4 24 9 4.383300
Kawhi Leonard LAC 3 2 19 11 3.768100
Al Horford BOS 1 0 16 16 3.691200
James Harden LAC 1 0 15 14 3.383600
Kevon Looney GSW 5 3 19 6 3.383600
Kyle Lowry PHI 2 1 15 10 3.076000
Chris Paul GSW 1 0 11 15 2.845300
Tristan Thompson CLE 4 1 15 7 2.845300
Kevin Love MIA 5 1 16 5 2.845300
Patty Mills MIA 2 1 12 12 2.768400
Kyrie Irving DAL 3 1 14 8 2.768400
JaVale McGee SAC 3 3 14 8 2.768400
Russell Westbrook LAC 1 0 11 12 2.614600
Reggie Jackson DEN 2 1 13 8 2.614600
Jimmy Butler MIA 2 0 11 11 2.537700
Marcus Smart MEM 1 0 12 9 2.537700
Jeff Green HOU 2 1 11 10 2.460800
P.J. Tucker LAC 1 1 12 7 2.383900
Jaylen Brown BOS 1 0 12 7 2.383900
Jae Crowder MIL 2 0 10 10 2.307000
DeAndre Jordan DEN 1 1 9 10 2.153200

This is what it looks like for every Team in 2024.

2003-2023 Playoff Experience Top 5 Teams
Team Finals Appearances Finals Wins Series Wins Playoff Appearances Adversity Index Score
GSW 29 19 128 63 42.222900
DEN 15 14 87 54 28.609700
MIA 21 3 99 65 28.070900
LAC 8 4 96 87 25.762700
MIL 8 6 73 81 22.686900

If I had to assign classes to the range for adversity score to teams, I would say 20+ means you have overcome the pain, 10-20 means you have gone through the pain but have not overcome, and less than 10 means you have to still go through more pain.

Contenders will likely see themselves at 10+ by the time they are contending

What if we wanted to isolate “Pain” maybe we could take this score and divide or subtract based on finals wins.

Measure how close have you gotten without having been graced by a ring

So I took 2 Points off your score for every finals win and that made Pain Index

Now near the top of Pain Index we see which teams really are contenders or just were, who haven’t gotten over that hump yet.These teams might soon get a win, or failed to do so in their window