Impact Index is the only statistical system in cricket that measures every performance in a match relative to the other 21 performances in the same match (as there are 22 players in each match).
Therefore, every performance (be it in batting or bowling or even captaincy or wicketkeeping) is measured in the context of every game. This is done on a scale of 0 to 5 (up to 2 decimal points).
For example, Dhoni’s Batting IMPACT in the World Cup final was 5.59 in a match context, with wicketkeeping and captaincy impact also measured, it went up to 7.29 but in a career context, this is brought back to 5.
The system measures the performance in the context of the series or the tournament — and if it plays a big role (an IMPACT of 4 or more) in winning his team either, it gets further rewarded with a Series-Defining bonus (which is also a function of how the player has performed right through that series/tournament).
This way, Impact Index accounts for crunch performances – which is really Read More »from How Impact Index works