This page is an introduction to many different types of poker odds. It covers different situations and game formats, showing how odds affect your decision making. This includes the odds (chances) of different hands winning pre-flop, along with hand matchups on different flops. Here is what you will find below: Odds and Starting Hands. A poker odds calculator shows you the exact odds of your hand winning in any scenario. For example, you can give yourself pocket Aces, opponent 1 pocket Kings, and opponent 2 pocket Queens. The poker odds software will then calculate how often each hand wins.

One of the games that have seen a flurry of interest over the last few months is Six Plus Hold’em, also referred to as Short Deck Poker.

Six Plus Hold’em is an exciting and fun poker variant based on Texas Hold’em where the game is played with a deck of 36 cards as opposed to the usual 52 cards in traditional hold’em. Deuces through fives are removed from the deck giving the game its name Six Plus Hold’em/6+ or Short Deck Poker.

Aces are played both low and high, making both a low-end straight A6789 and the high JQKTA. Also, with a shortened deck, the game changes a bit in terms of hand rankings and rules. A Flush beats a Full House and in most places where Six Plus is offered, a Set or a Three-of-a-Kind beats a Straight.

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Because the low cards are removed, there are more playable hands compared with traditional Hold’em, and so it is more of an action-orientated game. Not only are the hand rankings modified but so are the mathematics and odds/probabilities of the majority of hands.

Before we talk about the odds and probabilities of some of the hands, let’s have a look at the hand rankings offered in Six Plus Hold’em (ranked from the highest hand to the lowest):

Six Plus Hold’em Hand Rankings Comparison

Traditional Hold’em	6+ Plus Hold’em (Trips beat Straight)	6+ Plus Hold’em (Straight beat Trips)
Royal Flush	Royal Flush	Royal Flush
Straight Flush	Straight Flush	Straight Flush
Four of a Kind	Four of a Kind	Four of a Kind
Full House	Flush	Flush
Flush	Full House	Full House
Straight	Three-of-a-Kind	Straight
Three-of-a-Kind	Straight	Three-of-a-Kind
Two Pair	Two Pair	Two Pair
One Pair	One Pair	One Pair
High Card	High Card	High Card

One may wonder why a Flush is ranked higher than a Full House or why Three-of-a-Kind is ranked above a Straight. That’s because in Six Plus Hold’em, a Flush is harder to make since there are only nine cards in each suit instead of thirteen. Similarly, the stripped-deck also means that the remaining 36 cards are much closer in rank and so there will be smaller gaps between the cards in the hand and those on the board. This increases the probability of a hand becoming a Straight and hence Straights are ranked higher than a Three-of-a-Kind.

However, it is worth noting that the rules vary from game to game. For example, in the Short Deck variant offered in the Triton Poker Series, a Straight is ranked higher than a Three-of-a-Kind like in traditional hold’em even though mathematically a player would hit a Straight more.

One of the reasons why an operator would rank a Straight higher than Three-of-a-Kind is because it would generate more action. If Trips were ranked higher, a player with a Straight draw would have no reason to continue the hand as he or she would be drawing dead.

Let’s take a look at the odds/probabilities of hitting some of the hands:

Six Plus Hold’em vs Traditional Hold’em (Odds and Probabilities comparison)

Traditional Hold’em	Six Plus Hold’em/Short Deck Poker
Getting Dealt Aces	1 in 221 (0.45%)	1 in 105 (0.95%)
Aces Win % vs a Random Hand	85%	77%
Getting Dealt any Pocket Pair	5.90%	8.60%
Hitting a Set with a Pocket Pair	11.80%	18%
Hitting an Open-Ended Straight by the River	31.50%	48%
Possible Starting Hands	1326	630

As you can see in the table above, the odds of being dealt pocket Aces are doubled as you now get the powerful starting hand dealt once in every 105 hands, as opposed to once in every 221 hands with a full 52-card deck. However, the probability of winning a hand with aces vs a random hand decreases from 85% in traditional hold’em to 77% in Six Plus Hold’em.

Numé ro premium paint. The probability of hitting a Set with pocket pairs increases to 18% from 11.8%, and the probability of hitting an open-ended Straight by the River also increases to 48% in 6+ Hold’em compared with 31.5% in traditional Hold’em.

Let’s now have a look at some of the pre-flop all-in hand situations:

Six Plus Hold’em vs Traditional Hold’em (Hands Comparison)

Hand All-in Pre-Flop	Traditional Hold’em	6+ Hold’em (Trips beat Straight)	6+ Hold’em (Straight beat Trips)
Ac Ks vs Th Td	43% vs 57%	47% vs 53%	49% vs 51%
Ac Ks vs Jc Th	63% vs 37%	53% vs 47%	52% vs 48%
As Ah vs 6s 6h	81% vs 19%	76% vs 24%	76% vs 24%

As mentioned earlier, the equities run very close to each other with the shortened deck and so a hand like Ace-King versus Jack-Ten is almost a coin-flip, whereas the former is a favorite in Texas Hold’em. Again, a hand like Ace-King versus a pocket pair like Tens is a coin-flip in 6+, whereas a pocket pair is a slight favorite in normal Hold’em.

Now, let’s take a look at the probabilities when a connected or wet Flop is dealt:

Player 1: Ac Ks
Player 2: Td 9h

Flop: Kh 8c 7d

Traditional Hold’em	6+ Hold’em (Trips beat Straight)	6+ Hold’em (Straight beat Trips)
Player 1 vs Player 2	66% vs 34%	52% vs 48%	48% vs 52%

In traditional Hold’em, Ace-King is a favorite with 66% and Player 2 is chasing the Straight draw with a close to 34% chance of hitting it. However, the probability significantly changes in both variants of 6+ Hold’em. In a variant where Trips beat a Straight, Player 1 is only a slight favorite with just 52% (more like a coin-flip). However, in a Short Deck game where a Straight beat Trips, Player 2 is now slightly favorite with 52% chance of hitting a Straight by the river.

Another hand:

Player 1: As Ah
Player 2: Qd Jh

Flop: Ad Th 9s

Poker Matchup Odds

Traditional Hold’em	6+ Hold’em (Trips Beat a Straight)	6+ Hold’em (Straight beat Trips)
Player 1 vs Player 2	74% vs 26%	100% vs 0%	68% vs 32%

It’s pretty clear when it comes to normal Hold’em, but in a Short Deck variant where Trips beat a Straight, Player 2 is drawing dead as opposed to the other variant where Player 2 still has a 32% of chance of completing a Straight by the River.

The table below shows the odds of each hand winning in typical all-in match ups in Texas Holdem. The percentage chance of winning assumes that both players are all-in and that all 5 community cards will be dealt to determine a winner. The table also assumes that there are no other players in the hand, although the results should be very similar.

All-in hands probability odds chart.

Typical Match Up	Hand 1		Hand 2
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Poker Matchups Odds