Question: Blackjack Switch is a casino gambling game invented by Geoff Hall, and patented in what year, natural blackjacks are paid 1:1 instead of the standard 3:2, and a dealer hard 22 pushes all player hands except a natural, a croupier or dealer is someone appointed at a gambling table to assist in the conduct of the game, especially in the distribution of bets and payouts?
Sentence (from "Arnold Snyder"): He was the first blackjack authority to publish the importance of deck penetration (depth of the deal) in card counting, in his 1980 book "The Blackjack Formula".
Relevant evidence: No