3 Bet Poker Definition
The three-bet light is an online poker term that is used to describe three-betting with non-premium hands as a form of bluff to get folds from better hands.
Three betting “light” with a wider range of hands then you would normally is a skill you will have to get used to especially as you begin to progress through the various stakes online and live.
When utilizing mixed strategy in poker, you have to be willing to make plays you know are suboptimal in order to create your mixed strategy. For example, when you are facing an open raise to your right and you have a mediocre hand, you should switch between three-betting, calling, and folding, depending on any reads you have on your opponent. Pot Odds: The Definition. The odds which are being offered to you when your opponent bets are called pots odds. Essentially it is how much you will win vs how much you have to risk – your risk to reward ratio. This is particularly useful when in a situation where you're facing a bet with a drawing hand (such as a flush draw). For example, in $3/$6 fixed limit Hold 'em, during the first two betting rounds (preflop and flop) the big blind is $3, the opening bet after the flop must be for $3 and all raises must be for $3. For the last two betting rounds (turn and river) the opening bet must be for $6 and all raises must be for $6.
The problem with only three betting your premium hands in a predictable manner against observant opponents is that they can easily put you on a narrow range of hands, something like QQ+, AK, and so they won’t get paid off with your big hands, and you will be easily to read and play against.
With that being said, 3-betting light at the lowest stakes games isn’t a necessity. The difficulty with 3-betting light in micro-stakes games is that a lot of opponents are going to call you off with anything, which defeats the whole purpose of trying to get them to fold pre-flop. And then you find yourself in a position where you’ve completely missed the flop and try and bluff a off a hand when you should have just folded pre-flop.
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3 Bet Poker Definition List
Specifying as gtree game
We specify the game in gtree as follows:
To better understand the definition and to check whether we have correctly specified the game, it is useful to take a look at the outcomes:
| card1 | card2 | cb1 | cb2 | fc2 | fc1 | folder | winner | gave1 | gave2 | pot | payoff_1 | payoff_2 | util_1 | util_2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | check | check | NA | NA | 0 | 2 | 1 | 1 | 2 | -1 | 1 | -1 | 1 |
| 1 | 2 | check | bet | NA | fold | 1 | 2 | 1 | 2 | 3 | -1 | 1 | -1 | 1 |
| 1 | 2 | check | bet | NA | call | 0 | 2 | 2 | 2 | 4 | -2 | 2 | -2 | 2 |
| 1 | 2 | bet | NA | fold | NA | 2 | 1 | 2 | 1 | 3 | 1 | -1 | 1 | -1 |
| 1 | 2 | bet | NA | call | NA | 0 | 2 | 2 | 2 | 4 | -2 | 2 | -2 | 2 |
| 1 | 3 | check | check | NA | NA | 0 | 2 | 1 | 1 | 2 | -1 | 1 | -1 | 1 |
Look at the first row. We see from cb1 and cb2 that this corresponds to an outcome in which both players check. The variables fc2 and fc1 take NA values because there is no decision to fold or call if both players check.
Formulas in the game definition will be internaly evaluated in a vectorized fashion over similar data frames and may take NA values. The helper function is_true takes a logical vector and replaces NA values with FALSE. I use this function in the game definition where a condition must evaluate to either TRUE or FALSE while NA values are not allowed.
You may also take a look at the definition of card2 in the first stage. Here the set of the random variable is a formula and depends on the previously computed value of card1.
Let us also take a look at the game size:
While the number of pure strategy profiles is not really small, the game still seems of tractable size for numerical analysis.