So, you would make twice the profit with one game. The purpose of doubling down is to increase the bet on a good hand and thus take advantage of the chance to win a higher payout. The double down is one of the simplest blackjack strategies. This applies to the online world as well as to a visit at a real casino.īefore you get into the Blackjack strategy, you should be familiar with the basic Blackjack rules. There are a few effective strategies that you can use to minimize your bank advantage, improve bad cards or protect yourself against excessive losses and, with good cards, increase your chances of winning. As a good player, however, you are not at the mercy of luck for better or worse. Blackjack is a classic game of chance: no luck, no gain.