backbetting privileges
When the dealer's up card is 2, the trick would work for 2's, 3's, 6's, and 7's. Here are the other dealer up cards and pairs for which the backbettor would put the bet on one card: 3 (2,3,6,7); 4 (6); 7 (2,3,6,7); 8 (2,3,6,7,8); 9 (2,3,6,7,8,9); 10 (2,3,6,7,8,9); and Ace...