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Ok, the only one I could find online is chances of flopping a flush draw, which is about 11%. But I did a quick approximation of the other relevant probabilities. These should definitely be accurate to within 5%. When I say 5%, I mean if I say the probability is 10%, it lies somewhere between 9.5% and 10.5%, not 5-15%. The inaccuracies are on the plus side because I ignored duplication in the sums of probabilities for several cases. So, actually, If I say it's 11%, it's actually a little bit lower, but not by much.
Another important consideration ... I did the calcs for a middle suited connector, say 87s. JQs and above, and 43s and below will have a smaller chance for straights because there are fewer possible straights to make with those hands. An 87 can make twice as many straights (J,T,9,8 high) as 32 (6 and 5 high). This is one of the reasons you really don't want to play 43 and 32, although there are exceptions ... If I am on the button and 7 players limp, I'll play these suited.
So, you have a suited connector ... 54s-JTs. Your probability of flopping:
A flush draw: 11%
An OESD: 11.75%
2 pair: 2.2%
trips: 1.5%
full house: 0.2%
quads: 0.06%
This all adds up to a little better than 1 time in 4 you will have a favorable flop. As a rough approximation, you will take the pot about 1 time in 3 when you get a favorable flop. So, as a very conservative guideline, you will win 1 in 12 hands with suited connectors and therefore want implied odds of 11:1 to call with them preflop (Remember that I said you want the average pot to be about 12X your investment to see the flop?).
When you play a low/mid pocket pair, your chances of flopping a set are about 12%. You will win with that set about 80% of the time, so do a little math, and you will find that a suited connector and a small pocket pair are pretty close in value and should be played close to the same way. One difference that gives a slight edge to the pp is that when you hit the flop you will have a very strong made hand, and most of the time when you hit the flop with the connectors, you are on a draw.
All of these estimates and recommendations are on the conservative side, and meant only to give you an idea of what you have and what you can expect with these speculative hands. I would rather you play them too seldomly than too often, because playing speculative hands too often is a big leak in many people's games.
If you are serious about playing good poker, I would recommend not playing the play money tables unless you just want to get a feel for a site's interface. The play money tables only possible value for learning is for the loosest maniac tables which you are much more likely to find on a Saturday night at a B&M casino (and still not too often there).
I'll probably do a much more accurate, in depth analysis of this soon in the future. I'm sure it's out there somewhere (let me know anyone if you have a link or a book?) but I haven't seen it. I know there are others like me that like to see the math and not just a starting hands chart.
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