Pineapple rules
- Pineapple: everyone gets three cards and discards one before the first round of betting. From there it plays exactly like Texas Hold'em.
- Crazy pineapple: you keep all three through the preflop betting and the flop, and discard one after the flop betting. You see the flop with three cards, then play the turn and river with two.
In both, you end with two hole cards and make your best five from those and the five on the board. The blinds, the button and the betting are the same as Hold'em.
What the third card does to your odds
Three cards give 22,100 possible starts against Hold'em's 1,326, and you keep the best two. The chance of holding each start, before the discard: