A value bet in poker is a type of bet a player makes when they think they have the best hand and want to win more chips.
The player who’s certain that they have a stronger hand than their opponent would bet, hoping that their opponent calls so that they can build the pot and win more. This is the opposite of bluffing, which is betting, hoping that the opponent will fold.
For example, let’s say that you have KQ offsuit and hit a full house on the river with the board Kc Qs 3s Ts Qd. You rivered the full house, and since you almost certainly have the best hand while not technically the nuts, you want to win as much as possible in this situation and make a value bet, hoping your opponent calls or raises.