A 3 bet is a powerful move that can put a lot of pressure on your opponents and force them to make tough decisions. In other words, it is the third bet in the betting sequence. Definition of 3 BetĪ 3 bet is a re-raise made in a game of poker after a player has already raised and another player has called that raise. In this article, we will discuss what a 3 bet is, when to use it, and how to use it effectively. A 3 bet, also known as a re-raise, is a strategic move that can make or break a player's game. The game involves both skill and luck, but one of the most important aspects of playing poker is knowing when and how to bet. Poker is a game that has been around for centuries and has evolved into many different variations, with Texas Hold'em being one of the most popular.