Show one, show all rule

[Runner Runner]

I was playing in a small tournament in a cardroom. Hi was utg 4 handed and raised the blinds with A9. It was folded around and after receiving the pot I showed the Ace. One of the players then asked to see my other card claiming it was his right under the "show one, show all" rule. The dealer showed it to him, they both claimed that this was a house rule.

I said that the only way I had ever heard of that rule being interpreted after everyone folded, was that if you showed one player at the table your cards, the whole table got to see them. Has anyone else ever heard of this rule being interpreted as such, or was I just playing at a cardroom that has a house rule that is not commonly used?

I ran into the same thing at Atlantic City in a tournament. My understanding is the same as yours, and that you don't need to flip both up. At the tourny the dealer flipped the other card when someone asked to see it. The only time you need to show both cards is to take down the pot at showdown. Maybe Atlantic City casinos have strange rules...

[prayformojo]

My understanding is that in most rooms, you can show one card when the hand does not go to showdown.

My understanding is that in all rooms, people who show one card are generally douchebags.

[otnemem]

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My understanding is that in most rooms, you can show one card when the hand does not go to showdown.

My understanding is that in all rooms, people who ask to see the other card when someone shows one card are generally douchebags.

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FYP. In this situation, OP is generously giving free information. There's no reason to prove you know the rules by asking him to show the other one. And IMO, there's nothing douchey about showing one card...

[danzasmack]

Your original idea is correct.

When i was a dealer somebody did that exact thing and flipped the guys second card while it was on the way to the muck and said "show one show all". You can not do that. "Show one show all" mean if you show one player your cards you have to show all players - the reason is that you must give the same amount of information to all players.

[AKQJ10]

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"Show one show all" means if you show one player your cards you have to show all players - the reason is that you must give the same amount of information to all players.

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Precisely. I used to get confused in the same way about SOSA -- but the "all" in question is all players, not all (or both) cards.

Unrelated to SOSA, some rooms have a rule that you must show both cards if you show one. This was discussed at ample length in the past seven days on this forum.

Robert's Rules:

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Show one, show all. Players are entitled to receive equal access to information about the contents of another player’s hand. After a deal, if cards are shown to another player, every player at the table has a right to see those cards. During a deal, cards that were shown to an active player who might have a further wagering decision on that betting round must immediately be shown to all the other players. If the player who saw the cards is not involved in the deal, or cannot use the information in wagering, the information should be withheld until the betting is over, so it does not affect the normal outcome of the deal. Cards shown to a person who has no more wagering decisions on that betting round, but might use the information on a later betting round, should be shown to the other players at the conclusion of that betting round. If only a portion of the hand has been shown, there is no requirement to show any of the unseen cards. The shown cards are treated as given in the preceding part of this rule. (Emphasis in original.)

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[Mackie]

Where I play, this rule is applied in both situations. If you show one player your hand any other player can request to see it. If you show one card anyone can ask to see the other one.

Frankly I think it's a good rule. Sure sometimes the information you give with the one card shown is generous, as your case was. But sometimes it is simply taunting. What if the flop comes AKT, you bet the other guy folds and you show the 9. That's kinda classless and the show one show all rule prevents it. All the "I'll show you one" showboating crap is prevented.

[Rick Nebiolo]

As mentioned in another response Robert's Rules is the traditional interpretation of "Show one, show all". But a month ago I was playing at Hollywood Park Casino in LA and from another table heard someone argue "Show one card, show both". I mentioned to a neighbor that this was silly and wrong but soon learned that this interpretation was in fact added to the cardroom rules.


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Frankly I think it's a good rule. Sure sometimes the information you give with the one card shown is generous, as your case was. But sometimes it is simply taunting. What if the flop comes AKT, you bet the other guy folds and you show the 9. That's kinda classless and the show one show all rule prevents it. All the "I'll show you one" showboating crap is prevented.

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Later I spoke with Hollywood Park Shift Manager Steve Iino and learned this was exactly the reason for the rule. Agree it's a good rule.

~ Rick

I thought that only players who throw money in the pot are entitled to see the cards, so if you fold pre-flop you do not get to see. Is that incorrect?

[mostsmooth]

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Is that incorrect?

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yes