[Hitchhiker 42]

Originally Posted by kiasam111

An average event has 100 matches, and 90% of those have unique field combinations (90 matches).
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At Event 2, 90% of the field combinations have been used before

The way I interpreted their numbers was that each event had 90% of the matches use different fields than any other in that event. So I'm not sure how to check how many are popping up across events, but if it's totally random which defenses get selected (which it's not), I'll assume each field combo has an equal shot at selection (100 matches per event, 121 events assumption), so, each event has a (however uniques matches played)/(total field combos) chance to repeat a match. I'll attach an excel file in a moment to explain.