I am a member of Poker News and write blogs there just like here; it is a good site. Their calculator appears to be limited to individual hands versus ranges.
I have been using Poker Stove for years. It is a free software download that you can use at anytime by creating a shortcut on your screen. It works directly from your computer without you having to go to any internet site to use it and it is free.
www.pokerstove.com
When you first look at PokerStove, it appears somewhat complicated, but after a few uses and exploring its features, you will find it easy to use.
PokerStove is very versatile and allows you to not only enter specific hands for each player, but ranges. Then you can see how well your hands hold up to what you think your opponent’s range might be, since you will not, in most cases, be able to put any opponent on a specific hand.
The whole idea of knowing your opponents’ ranges gives you a starting point for knowing how to play your cards, e.g., how well do your pocket Tens hold up to his range, which includes any pocket pair, any Broadway, any suited, and unsuited Aces – should you raise. You can put those variables into Poker Stove; and, you will be surprised at how well your pocket tens hold up. Against his range, you have 68.685% pot equity. Now, if you know his/her betting patterns, SPR - Stack to Pot Ratio, fold equity, etc., you might be able to win more hands, e.g., does he always checkraise with pairs higher than tens, does he always just call with small pairs and draws, etc - so if he/she is only calling, you might shove knowing that most likely you have him/her beat because he/she has a small pair or is on a draw, which he/she might fold to a large bet.
In your example, Kings (King of spades and King of hearts) are 18.551% or 19% according to Stove – using Spade/Heart combination. These numbers are somewhat unrealistic because 10 players will all almost never have a spade/heart combination as their pocket cards. If you change the pocket Aces to Ace of Clubs and Aces of diamonds, the percentage goes up to 31% if the rest have a Spade/Heart combination.
And, the value of any two pocket cards goes down as the number of opponents goes up; they are inversely related – an inverse or negative relationship – it is not a linear (straight-line) relation because of the trillions of possible combinations that can occur based on the five cards that hit the felt (i.e., the flop, turn and river) – assuming 9 players (see poker probability (Texas hold’em) – Wikipedia. There are actually more than 21 octillion combinations, but some of these are duplicates, e.g., 2-3 versus 3-2. This is a great article on Texas Hold’em poker probability. [
en.wikipedia.org])
Given the 10 hands (AA through 55), 55 is rated higher than 66, 77, and 88 because it can make more straights because the cards it needs have not been used in the nine other hands, i.e., A2345, the wheel. Same is true for the 66, but, it has 2 less cards to make a straight because two 55 are already used. Same is true for the other straights. Eights are higher because there are only 6 higher pocket pairs, Nines 5 higher pocket pairs and so on, despite having less straight possibilities. All these are related to their EVs - Another way of ranking hands that David Sklansky talks about is EV – Expected Value.
The definition of EV is :
“The term "Expected Value" (also referred to as EV or Expectation) is used a lot in poker strategy discussions, and if you've wondered what it means but never dared to ask, this is the article for you! The term originates in math (specifically probability mathematics) and is used to describe the long-term average outcome of a given scenario. In order to calculate expected value, you take every possible outcome, multiply each by the probability of that outcome happening, and then adding those numbers altogether.”
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www.cardschat.com]
“Expected Value
Expected value is definitely an advanced technique, but one that is critical to understand when to take a risk that even pot odds don’t necessarily support. There is reckless aggressive, and then there is smart aggressive. Expected value is one of those concepts that will take longer for most poker players to pick up, and it is a concept that is not used often, but it’s one of those little things that makes a gigantic difference in making a lot of money and making that next step in your poker game.
Expected value can be tricky because it is more theoretical than other concepts, but this is an underlying concept that every major poker player has to understand. The concept of expected value (often shortened to ‘EV’) is the expected return on a bet.
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www.pokeronamac.com]
The average EV – Expected Value or expected worth of a hand played over time in terms of big bets - that is times the Big Blind Amount for those hands is as follows. For example a pair of Aces (AA), has an average EV of 2.32, which means that if you are playing in a $5/$10 game, you will have an average expected value of $23.20 playing those Aces, but keep in mind that these EVs vary by position. For example pocket Aces on the button have an EV of 2.81 versus 2.35 under-the-gun, all these EVs can be looked up on the internet.
Please don’t read anything into these Expected Value numbers without actually knowing what they really mean. E.g., don’t assume that if you always play pocket Aces on the button that you will win 2.81 times the BB each and every time; but in the long run you will. That long run can be really long. It also doesn’t mean that you should always play pocket Aces from the button regardless of what hits the felt on the flop, turn and river, e.g., 3 suited cards or 4 suited cards hit the felt, or one pair, or two pairs, or trips and your opponent shoves all-in.
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www.pokeronamac.com]
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