Online Blackjack Games

One of the more popular options (unfortunately not popular enough!) is the over/under bet. This is an optional side bet (actually two separate bets) that your first two cards will total either over or under 13. There is a special area on the table for you to make these bets. Aces always count as 1 for this bet, and a total of 13 always loses. If you win on an over/under bet, you are paid 2 to 1.

This rule is most often offered on 6 and 8-deck games, and it has little value with a traditional card counting system. Using the Hi-Lo Lite, you would need a true edge of +2 1/2 to just break even on the over bet, or -3 on the under. These advantages will not occur very often in shoe games, unless the penetration is quite deep.

Abetter counting system for this option is to count the ten-valued cards as -1 and Aces, 2s, 3s, and 4s as +1. Using this counting system, you would make an over bet at a true edge of+1 1/2 or greater, and an under bet at -2 or lower. This greatly increases the value of the option. If you know the Hi-Lo Lite indices, you may use the Hi-Lo strategy changes with the over/ under count for strategy plays on your blackjack hand. In a 6-deck game, with 75% penetration, you could get close to a 1% advantage by using a 1 to 4 spread with proper over/under bets. With deeper penetration, the value skyrockets.

In some European casinos, there is an over/under variation in which a pair of aces pays a 7 to 1 bonus on under bets. This payout almost doubles the value of the over/under option. Unfortunately, there are very few over/ under games anymore, and the casinos know that card counters attack them.

Most casinos that offer the over/under bet limit the amount that can be bet on this option. In many cases, this bet limitation, in conjunction with generally poor penetration, makes the over/under bet pretty worthless.

By the way, do not place over/under bets without using a card counting system. The house advantage is 6 1/2% on the over bet, and more than 10% on the under, if you're just guessing.

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