Theory

Imagine your opponent bets half the pot on the river. You hold second pair. Should you call or fold? Many players guess—but the math has an answer.

Calling a big river bet with second pair might feel like a heroic act—but more often, it’s a costly leak. Bluff-catching isn’t about guessing;

A 3-bet is a re-raise before the flop: one player opens with a raise, and another raises again. 3-bet ranges by position depend on two seats at once: yours

In no-limit and pot-limit poker, a raise must be at least as big as the last bet or raise in the same betting round. If the big blind is $2, the smallest

A backdoor draw is a hidden source of equity that requires two specific cards on the turn and river to complete a strong hand—like a flush or straight.

Reading the board in poker means working out two things from the community cards: which hands are possible, and whose range those cards suit better.

A wrap in Omaha is a straight draw with more than eight outs. It’s possible because you hold four cards: with two or three of them around the board

In poker, to check means to pass the betting action to the next player without placing a bet. This option is only available when no bet has been made in

In poker, a coinflip refers to a situation where two players go all-in with hands that have roughly equal chances of winning—typically between 45% and 55% equity.

Blinds are mandatory bets that kick off every hand in popular poker variants like Texas Hold’em and Omaha. Placed by the two players to the left of the