Poll

2 votes (15.38%)
1 vote (7.69%)
2 votes (15.38%)
2 votes (15.38%)
7 votes (53.84%)
No votes (0%)
1 vote (7.69%)
2 votes (15.38%)
No votes (0%)
1 vote (7.69%)

13 members have voted

Paigowdan
Paigowdan
Joined: Apr 28, 2010
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March 7th, 2017 at 10:34:24 AM permalink
Yup, looks rough.

The house edge is low, and as such is fine for BJ type games, - but it is the feel of the game, the "Gambler's GFE" that counts.
Beware of all enterprises that require new clothes - Henry David Thoreau. Like Dealers' uniforms - Dan.
Paradigm
Paradigm
Joined: Feb 24, 2011
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March 7th, 2017 at 10:45:49 AM permalink
Quote: Romes

....P(odd hand) = P(getting 1 odd and 1 even card) = P(odd) * P(even) = (5/13) * (8/13) = .3846 * .6154 = .2367 = 23.67% chance of getting an odd hand...


Your other points are also valid, but to me the worst "feel" of this game is going to be losing this mandatory side bet 75%+ of hands right after the initial deal with a maximum upside on the win of 2-1.
Attempting to add value one post at a time
charliepatrick
charliepatrick
Joined: Jun 17, 2011
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March 7th, 2017 at 2:33:29 PM permalink
Quote: Wizard

Open 21...I welcome questions, comments, and especially corrections...

When I analysed it quickly using infinite deck I recall there were only two squares where the strategy depended on whether you had an Odds bet still running. So it might be easier to have one strategy card. Note that I separated hitting from Doubling - the latter knows whether you've started Even or Odd!

(i) There seems to be a misalignment in the Basic Strategy For Even Starting Hands s17 as the double 11 row is marked 13.
(ii) I think it's worth mentioning whether you split or double with (say) 3,3 vs 16 or similar.
(iii) The rules state the dealer stands on Soft 17 - so there's an argument to leave out that bit (or just say this is only in the UK at the moment).
(iv) 17-21 could be handled as "Stiffs" catering for both hard and soft totals where the final dealer's total is known (although I can see card dependent strategies may be different if there were any close decisions).
Note : I haven't checked my strategy and it comes out with a different House Edge, so there's probably something that I've missed.
MrCasinoGames
MrCasinoGames
Joined: Sep 13, 2010
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March 7th, 2017 at 2:47:54 PM permalink
Quote: Hunterhill


The odds bet is resolved before the player starts taking hits,so I don't think it will be that confusing.


Hi Hunterhill,

Thanks for pointing this out.

Open 21® Blackjack is very Easy and Simple. Just follow the 4 Simple steps (Dealing Procedures) as show below:

1. Each Player must make both a main wager and an Odds-Win wager equal to half his main wager.

2. Each Player and the Dealer receives two cards (All Face-up).

3. If the Playerís two-card hand total is Even then his Odds-Win wager loses; otherwise it remains in play.

4. Play continues as normal Blackjack and the Odds-Win wager (if any) is resolved in the following way:
a. If the Player wins on his hand, his Odds-Win wager (if any) wins 2 to 1.
b. If the Player pushes on his hand, his Odds-Win wager (if any) will push.
c. If the Player loses on his hand, his Odds-Win wager (if any) loses.

Last edited by: MrCasinoGames on Mar 7, 2017
Stephen Au-Yeung (Mr Casino Games®) NewTableGames.com
DJTeddyBear
DJTeddyBear
Joined: Nov 2, 2009
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March 7th, 2017 at 3:03:55 PM permalink
I don't like forced side bets. And it seems too complex. Count me out.




Quote: Rule 7

If the player draws or doubles to 21 points, it shall be an immediate winner and pay 1-1.

Even if the dealer has a natural 21?
Superstitions are silly, childish, irrational rituals, born out of fear of the unknown. But how much does it cost to knock on wood? Note that the same could be said for Religion. I.E. Religion is nothing more than organized superstition.
MrCasinoGames
MrCasinoGames
Joined: Sep 13, 2010
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March 7th, 2017 at 3:07:47 PM permalink
Quote: DJTeddyBear

Even if the dealer has a natural 21?


Yes, Even if the dealer has a natural 21 (Blackjack).
Stephen Au-Yeung (Mr Casino Games®) NewTableGames.com
MrCasinoGames
MrCasinoGames
Joined: Sep 13, 2010
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March 7th, 2017 at 3:08:18 PM permalink
Quote: Paradigm

Your other points are also valid, but to me the worst "feel" of this game is going to be losing this mandatory side bet 75%+ of hands right after the initial deal with a maximum upside on the win of 2-1.


Hi Paradigm,

The Probability of a Odd Total on the initial 2 card dealt in a 6-Deck game is 47.4895%.
Notes: (An odd number + even number = odd number) or (A even number + an odd number = odd number).
Last edited by: MrCasinoGames on Mar 7, 2017
Stephen Au-Yeung (Mr Casino Games®) NewTableGames.com
ChesterDog
ChesterDog 
Joined: Jul 26, 2010
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March 7th, 2017 at 3:09:36 PM permalink
Quote: DJTeddyBear

...Even if the dealer has a natural 21?



The players and dealer will see the dealer's natural 21 as soon as it is dealt, and thus the dealer will not allow any player to take hits or double-down.

Edit: I defer to Mr. Casino Games on this one. The dealer's natural is just counted as a regular 21, and will be beaten by players' 21s.
Last edited by: ChesterDog on Mar 7, 2017
MrCasinoGames
MrCasinoGames
Joined: Sep 13, 2010
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March 7th, 2017 at 3:14:43 PM permalink
Quote: ChesterDog

The players and dealer will see the dealer's natural 21 as soon as it is dealt, and thus the dealer will not allow any player to take hits or double-down.


Hi ChesterDog,

In Open 21® Blackjack:

* A Dealerís two-card total of 21 does not count as a natural blackjack, and only acts as an ordinary total of 21; the player will still be able to play out their hand.

* Any other player total of 21 (including after hitting, splitting and/or doubling) pays at a rate of 1:1 and wins against any dealer hand.
Stephen Au-Yeung (Mr Casino Games®) NewTableGames.com
Paradigm
Paradigm
Joined: Feb 24, 2011
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March 7th, 2017 at 4:04:37 PM permalink
Quote: MrCasinoGames

Hi Paradigm,

The Probability of a Odd Total on the initial 2 card dealt in a 6-Deck game is 47.4895% (Notes: An odd number + even number = odd number).


Thanks MCG, I was going off of Romes calculation above. His number is about 1/2 of your number and makes me think he didn't consider that order of whether an Odd or Even card comes first is irrelevant...so should his calculation should be multiplied by 2? This is a better number than his for sure ;-).
Attempting to add value one post at a time

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