Technically, what is the name of the counting system that utilyzes 2, 3, 4, 5,6 as cards you count to see how many large(positive) cards are left in the deck. And 9, 10, J, Q, K are the cards counted to see hoe many negative cards are left in the deck.
WHO is given credit as an AUTHOR on introducing it?
What are the odds or comparisons to the other systems?

