da betano
There is no one algorithm. The game is a combination of luck and skill. It also has factors such as the number of players in a hand, and where your seating position is relative to the dealer.
All players are dealt 2 cards face down, followed by 5 cards face up. Players must make the best possible 5 card poker hand using the 5 community cards and their own face down hole cards. The best 5 card poker hand wins the hand and receives the pot.
What is the bubble? This is the point in a tournament where the next player out does not take any winnings. The remaining players will take something away from the table. Example: The tournament you are in states that the top 25 players will win money and there are 26 players left. These 26 players are on the bubble .
It depends on the smile. If it's a genuine smile I tend to think they'll be strong. With a fake smile they'll want you to think they're strong but will likely be weak. Look up Mike Caro's Book of Poker tells if you want more in depth on live tells, also look here at part 7 for smiles.