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Defensive Impact Rating Calculator (Football)

A transparent per-90 defensive workload index from tackles, interceptions, clearances and blocks. Illustrative composite, not an official rating.

rating = (tackles + interceptions + clearances + 2×blocks) × 90 / minutes — illustrative

Frequently asked questions

Is this an official defensive rating?

No, it is a transparent index that adds tackles, interceptions, clearances and blocks per 90 minutes, with our own weights. Treat it as illustrative.

Why are blocks weighted double?

Because a block is often a last-ditch act that prevents a near-certain goal, so the index gives it extra credit. The exact weighting is a teaching choice.

Does a high score mean a great defender?

Not necessarily. Busy defensive stats can mean a player is constantly under pressure, which might reflect a weak team rather than individual brilliance. Context matters.

What does this miss?

Positioning, anticipation and the duels a defender wins simply by being in the right place, none of which show up in counting stats. The best defenders sometimes have quiet stat lines.

How should I read it?

As a measure of defensive workload and activity, useful for comparison, but never the whole story of how good a defender is.