How are Poker and Chess similar?

One game is played with cards on a table with multiple players while the other is a board game featuring pieces and just one opponent. They are different in its form, but the two games have some similarities that players of both games could relate to. Chess is a game that can seemingly take a lot of time, where the players study every single square and have to be two steps ahead of their opponent. It is also a game from a high societal means, while Poker is associated with more middle-class in smoke-filled back rooms of bars.