Poker All In Rules

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POKER TOURNAMENT DIRECTORS ASSN. Illustration Addendum 2019 Rules Version 1.0, Sept 17, 2019. The Poker TDA is a voluntary poker industry association founded in 2001. The TDA mission is to increase global uniformity of poker tournament rules. TDA Rules supplement the rules of this house. In case of conflict with a gaming agency, the agency. Learn how to play poker with our guide to the concepts and rules on which all forms of the game are based, and access our guides to popular variations such as Texas Holdem and Omaha poker. All-In Rules in Poker. The first thing to remember is that no player can ever be forced out of a hand because they can’t match a bet. Instead, they can always go all-in. The second rule follows on from this to make things fair for the bigger stacks.

When showdown is reached in a poker hand, it can often be a confusing moment for live poker players. Deciding who shows their cards first is a common argument in both tournaments and cash games. Let’s settle what the showdown rules are once and for all.

  1. It all starts with understanding the poker rules. Becoming a great poker player, however, requires practice and skill. Practicing poker without any knowledge of the rules will make it very hard for to develop any of these skills. Unless you practice poker online where all the rules are automated and it is impossible to break them.
  2. Rules for All-In Situations in Poker Table stakes force players to only play the chips they have in front of them. No-Limit or “All In” poker gives each player the chance to only bet what’s in front of them at the poker table.

Who shows first in a poker showdown? The showdown rules of poker state that the player who took the last aggressive action on the final betting round shows their hand first. If everyone checked during the last betting round, the normal order of play is followed and the closest player to the left of the dealer shows their cards first.

While the order of showdown after the river is fairly straightforward, there are a few nuances that need to be addressed. Whether you play Texas Hold’em, Pot Limit Omaha, or some other form of poker, these rules will apply to you. Below is some more information you might find use

Why Does the Last Aggressor Have to Showdown First?

In many river scenarios, a player will face a large bet from an opponent and have a tough decision on whether to call or not. If the call is made the player is rewarded by getting to see the cards of the person he called first. He or she is said to have, “paid to see the hand.”

Why Is the Showdown Order Different When Everyone Checks?

If everyone checks on the river the normal order of play is followed. Since there has been no bet and no call, no one has bought the right to not have to show first.

All

A typical river scenario is an out of position person will have check-called the flop and turn and now has a decision on whether to also check-call the river. Were the action to go check-check, the out of position person would showdown first. However, when it goes check-call the out of position person has purchased the right to not have to showdown first.

Does the Showdown Order Vary from Game to Game?

The showdown order remains the same whether the game is Texas Hold’em, Pot Limit Omaha, Stud, or any variant of poker.

Do I Have to Show My Cards in Poker?

There is generally no requirement to ever show your cards in poker. You can fold or “muck” your hand anytime during play. In fact, the only time you are required to show your hand is in order to win the hand at showdown.

To win a pot, a player must table both cards face up to qualify for winning the pot. Just keep in mind that some card rooms do have slightly different rules regarding showing hands, be sure to ask the dealer if unsure.

Beginning players sometimes misread their hand may even fold a winner. So until you become a skilled winning player it’s probably best to always show your cards at showdown, just in case.

Can I Just Show One Card at Showdown?

You can show just one card at showdown. However, showing just one will not qualify you to win the hand even if that one card is revealed that you definitely have the best hand.

It is a universal rule among all card rooms that both cards must be tabled faced up in order to win a pot.

What an Opponent Refuses to Follow the Correct Showdown Order?

Some players will often try to get their opponents to show their cards out of turn so that they can try to avoid giving away information. If you encounter this situation and they are attempting to get you to flip your cards first, my advice is to politely say, “it’s your action, please either show your hand or muck your cards.”

If the opponent still refuses to follow the correct showdown order, ask the dealer to step in and enforce the rules. Do not let a rude or forceful person get their way. Poker is no place to get bullied.

Are There Any Exceptions to Following the Correct Showdown Order?

There is one exception to the rules of showdown order. If you hold the nuts or a very strong hand, it is a common courtesy to just instantly flip your cards over on the river no matter what the showdown order is. Otherwise, you might be accused of “slow rolling.”

If I Call the River Can I Ask to See My Opponent’s Mucked Cards?

Sometimes part of the reason a player will call is to gain information from his or her opponent. While it is mandatory for your opponent to show their hand if you request them to, it is almost universally frowned upon as bad etiquette if your opponent wants to muck their hand.

The reason it is bad etiquette to ask to see mucked cards, even if you are entitled to, is that it will often embarrass your opponent. It is widely accepted that just winning the pot should be enough for a person making a correct call. Rubbing it in your opponent’s face by forcing them to show their inferior hand or bluff is in poor taste.

What If Someone Shows Their Hand out of Turn?

At showdown there is no penalty in just flipping your cards up out of turn. However, most people like to see what cards people acting before them have before deciding to show or not. If you are beat, you can simply muck and not give away any information to your opponents.

What If There Is a Side Pot and Someone Is All-In on the River?

Sometimes a player will be all-in and there will be two or more other players who still have chips behind. In this case, the betting round continues until showdown is achieved.

Once showdown is reached it is generally good form for the non-allin person to show his or her cards last, regardless of their position.

Are the Showdown Rules Different Between Cash Games and Tournaments?

In general, showdown is the same no matter what format you are playing. The only exception is that in cash games a person may show one or both cards at any point during the hand without penalty.

In tournaments, if a player exposes their cards, whether intentionally or not, the hand is usually considered dead.

Is There Ever a Time to Showdown a Weak Hand Versus Mucking It?

If it’s your turn to showdown your cards and you have a hand that is obviously losing, you generally want to just muck and not give away any information. However, there are a few instances you may want to go ahead and show the hand.

  • You want to project a particular image to the table
  • To encourage the rest of the table to showdown and not muck there hand, that way you possibly gain some information
  • Misreading your hand is a definite possibility, if you always showdown every hand there is no chance of ever mucking a winner

Related Questions

What is considered a muck in poker? The meaning of “mucking” a hand in poker is to fold or discard a hand without revealing your cards. Players often much their hand to avoid giving away information to their opponents.

Who goes first on after the flo? The order of play on the flop, turn, and river is the same. The small blind always acts first and the dealer button always acts last.

How does all-in work in poker? All-in means that a player has no more chips behind to cover any future bets made. In this case, the player is declared “all-in” and will keep his or her cards face down until the showdown is achieved. An all-in player cannot win or lose any more than is contained their starting stack.

Final Thoughts

Showdown at poker is one of the situations that few players truly understand the actual rules. The cool thing is that once you know exactly how it works you can use the information to your advantage.

Poker All In Rules

My advice is to never show your hand until it is your turn to do so, unless of course if you hold the nuts or near nuts. Neverslow-roll your opponents. Unless of course you like being disliked by everyone in the poker room.


Its a common question, but one that often requires a complex answer. Should I go all-in? Let's start by establishing some basic ground rules, then look a little deeper into the maths behind commitment decisions.

All-in Preflop – A rough guide

For those of us who would like a crash course in understanding when we should stack preflop, it doesn't need to be that difficult.
Assuming a six-max game with 100bb stacks, we should feel pretty comfortable stacking the following ranges by default.
  • EP/MP or playing vs a player in these positions – Stack KK+ only
  • CO/BTN/SB/BB and playing vs a player in these positions – Stack QQ+/AK
Naturally we can go wider than these ranges in various situations, but by default they should be a pretty good guide. The chance of making any big mistakes with these specific ranges is very low.

Poker Rules Print Out

The Commitment Threshold

This rule has been around for very many years, and helps us to understand at which point we have invested so many chips that it would be incorrect to fold.
“Never invest more than 1/3rd of our stack in a situation where we are not commited”
In other words, once our opponent puts us in a situation where we need to invest more than 1/3rd of our effective stack, we should automatically be deciding whether we want to commit our entire stack. If we find the answer to this question is “no” then we should typically be folding to that initial bet.
However, like all rules, there are exceptions. Assuming we are bluffing we can invest as much of our stack as we like and still find the fold button, so long as we consider the bluff to have a positive expectation and we don't feel that we are priced in on a call.

Allin is always better as the aggressor


It's nearly always better that we are the player putting our opponent to a commitment decision rather than the opposite scenario. This is because we have fold-equity. A situation where we have no fold equity is never going to be as profitable.
Imagine we are playing a 6max game with 50bb stacks and the BTN decides to shove all-in. We have no history and hold AKo in the small-blind. It's possibly OK to call in this situation, but it's really not going to be overly profitable for us, despite the fact that we have part of our standard stacking range in this situation.
Its true, BTN could be shoving wide, in which case calling is clearly fine, but then there is also the possibility that he is simply shoving AA/KK only, meaning the call will be losing.
Poker All In RulesIn short, we don't know if calling will be +EV, it really depends on the player. We know for certain however that the situation will be high variance and cause our results graph to become swingy. Perhaps we have seen that our opponent actually has a VPIP of 0 over 50 hands, in which case it would be completely fine to fold in this scenario.
Now let's imagine that BTN opens for a regular sizing, we 3bet, he 4bets, and we shove over the top. This is nearly always going to profitable. Even if our opponent ends up having AA, it's important to factor in the idea that we had fold-equity with both our 3bet and our 5bet against his overall range. It's typically this fold-equity that makes AKo an extremely profitable stack-off and we should always be more cautious in situations where we are calling a jam with no fold-equity.

Commitment Decisions with Draws

We can apply this logic to draws to help us understand when shoving is correct vs playing our draws slowly.
50bb effective stacks.
6 handed, NLHE
UTG (50bb)
CO (50bb)
SB (50bb)

Home poker tournament rules

UTG folds, MP folds, CO opens to 3bb, Hero cold-calls 3bb, SB folds, BB folds.
Flop (7.5bb)
T43
CO checks, Hero bets 5bb, CO check/raises to 15bb
So first note that if we call here, we would have invested 18bb out of our 50bb stack. Why is this relevant? We'd have invested over 1/3rd of our stack and crossed the commitment threshold. According to the commitment threshold concept, we need to make a decision regarding whether it's correct to go all-in here of whether we'll do better by just calling.
Note that we are going to assume that calling the flop is actually profitable here as a result of implied odds, but given the stacks are shallow, it might be better to fold.
Assuming we just called there would be a pot of 37.5bb on the turn and there would be 32bb remaining in the effective stacks. If our opponent shoves the turn for 32bb, we'd need to hit on the river about 31% of the time in order for a profitable turn call. Assuming only our flush-draw outs are live we would hit on the river about 18% of the time, meaning we don't have a profitable call.
We should clearly be able to see then that in this scenario it might be correct to invest over 1/3rd of our stack and still fold on the turn when we are priced out. It's important to note therefore that while the commitment threshold of 33% of the effective stacks is a commonly cited rule, it's simply a rough guide and doesn't actually work in many commitment situations.
If we were the check-raiser here with A9 we'd have to call the remaining 35bb into a pot of about 101.5bb which means we'd need to hit around 34% of the time for a profitable call. There is a chance in this situation we'd be committed, since we still have two cards to come and will connect around 36% of the time by the river. So we can see the commitment threshold concept works in some situations but not in others. Poker All In Rules
Also important to note is that when calling an all-in, we don't necessarily need to have the best hand even most of the time, as intuition might suggest. So long as there is already money in the pot it will be correct to stack off as an underdog so long as the pot-odds allow it.

Going back to the situation at hand, since we would not be committed against a turn shove with our flush-draw, does this mean it might be better for us to directly jam over our opponents flop check/raise? Potentially, but not necessarily. So what does it depend on? Again it all comes down to fold equity.

Going All In Poker Rules

Let's assume we have roughly 36% equity here in the pot, but that our opponent is never folding. What would our expected value look like?
P (winning * amount-won) – P (losing * amount lost) (If this makes no sense, check out the articles on Ev calculations here)
(0.36%* 62.5bb) – P (0.64 * 42bb)


So we would actually make a loss of 4.38bb here with our shove. Not a huge loss given that we have a ton of equity, but a loss nonetheless. This shouldn't really be that surprising to us, given that we are shoving all the money in with the worst hand and no shot at fold-equity.
Let's imagine the same scenario now, but our opponent will fold 50% of the time to our jam. We already know the expectation of getting called (-4.38bb) and can use this to help us in the following calculation
P (winning * amount-won) – P (losing * amount lost)
(0.5 * 27.5bb) – (0.5 * 4.38bb)


So we can see that the fold-equity here makes a huge difference. A common mistake is to jam all-in with draws simply because it is considered “standard”. But we can see that it is extremely important to ask ourselves first whether we have any fold-equity, otherwise we simply might be making donations to our opponent.

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