Gamibot blackjack works with playtech casino and plays perfect strategy.
Here is the nuts and bolts behind the bot strategy
The table below shows optimal strategy for Playtech standard blackjack. In Playtech standard blackjack, the dealer does not peek for blackjack. However, a doubled bet is not lost under all circumstances. If the dealer has a 10 upcard, doubled bets are returned. In all other cases, splits and double bets are lost when the dealer has blackjack. The one difference from standard no peek strategy is to double 11 vs 10