Interesting Poker Puzzle (Omaha)

primrose

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Someone in my casino posed this to me and I found it a nice thing to think about. You need to know the rules of Omaha (specifically that you must use exactly 2 of your 4 cards for the 5-card hand) but you don't need to be good at the game to solve this. Note that it's not easy, so you might need some time.

Puzzle: You're holding :9h4: :3c4: :3s4: :3h4: . What boards give you the nuts (i.e., the guaranteed strongest possible hands -- no split pots)?

There are three solutions. Well, three groups of solutions, some of them allow you to switch some cards around to get essentially the same solution but a slightly different board. But the three groups are very different from each other.

Solution 1 (the easiest):
QUADS: Board is :9d4: :9s4: :9c4: + any two cards that don't allow for stronger quads or a straight flush. An example is :as4: :kh4: but there are probably thousands of other combinations. These are all the first group.

Solution 2 (harder):
FLUSH: Board is exactly :ah4: :kh4: :qh4: :jh4: :10h4:, giving you the unique 9-high flush. This one doesn't have any variation, only this exact board guarantees you the nuts.

Solution 3 (hardest):
FULL HOUSE: Board is :2d4: :2h4: :2s4: :2c4: :3d4: , giving you the 2-2-3-3-3 full house. This solution is unique as well.
 
Tammy

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I love this kind of thread! I wanted to find fault with the 2nd solution, but it's air-tight. :)
 
sandy358

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Someone in my casino posed this to me and I found it a nice thing to think about. You need to know the rules of Omaha (specifically that you must use exactly 2 of your 4 cards for the 5-card hand) but you don't need to be good at the game to solve this. Note that it's not easy, so you might need some time.

Puzzle: You're holding :9h4: :3c4: :3s4: :3h4: . What boards give you the nuts (i.e., the guaranteed strongest possible hands -- no split pots)?

There are three solutions. Well, three groups of solutions, some of them allow you to switch some cards around to get essentially the same solution but a slightly different board. But the three groups are very different from each other.

Solution 1 (the easiest):
QUADS: Board is :9d4: :9s4: :9c4: + any two cards that don't allow for stronger quads or a straight flush. An example is :as4: :kh4: but there are probably thousands of other combinations. These are all the first group.

Solution 2 (harder):
FLUSH: Board is exactly :ah4: :kh4: :qh4: :jh4: :10h4:, giving you the unique 9-high flush. This one doesn't have any variation, only this exact board guarantees you the nuts.

Solution 3 (hardest):
FULL HOUSE: Board is :2d4: :2h4: :2s4: :2c4: :3d4: , giving you the 2-2-3-3-3 full house. This solution is unique as well.
I am having a feeling that the true best solution would be to fold this pre:geek:

Interesting puzzle though, great to practice how omaha boards works
 
FastOne

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