There are probably as many point systems for poker as there are poker games and the various ways to play them. I think it's best to keep it simple, so I rank the Ace the highest, by about 2 points and the rest at about face value. My point system adds for pairs, connectors and suited cards, since an AA or AK should have a higher value than AT or A9 or A4.
An Ace therefore would normally be worth 12 points and a K,Q,J,T would all be worth 10.
Since Kings outrank Jacks and Tens, it should really have a higher rank than 10. and giving a higher rank also to Jacks, so we should probably give a one point advantage of Jacks over Tens, which makes a Jack worth 11, Queen worth 12 and King worth 13.
Now the ACE should have that 2 point advantage, so I'll give it 15 points.
It's hard to put a value on a pair since 22 will win heads up about 55% of the time and only 12% against a full table and beats AK. Given that a deuce has about a 2 point rank and only 4 points counting both cards, based on face value, and AK would have a value of twenty-eight (15 for the Ace and 13 for the King), we should give a factor to pairs, suited cards and connectors.
We'll start a Pair off at 20 points and add a point for card value. We will also add one point for being connected and 2 points for being suited and 3 points if it's connected and suited.
So the lowest pair (22) would equal 22 points and a pair of threes (33) would equal 23 points and a pair of nines (99) would equal 29 points and add one point higher for each broadway card; TT=30 (20+10), JJ=31 (20+11), and QQ=32 (20+12), KK=33 (20+13), and AA=35 (20+15)
22 vs AKs;
AKs = 31 points [(15+13) +1 for the connector, +2 for being suited] vs the 2 deuces @ 22 points.
If you loosly equate it to odds, then AKs would be favored 31/22 or about 1.4:1. (actually 1.409, but a tenth of a point is really no consideration in betting or looking at odds of any kind, not a factor at all, so round it up) and KK vs AKs; KK would be favored 33/31 or 1.06:1.
KK vs 22, KK favored 33/22 or 1.5:1
What's all this mean?
Only that you shouldn't bet the farm. At best, heads up you are usually about 49/51, more likely about 60/40 and at worst only a 3:1 dog, using normal odds, and normal hands for All-In bets, and the point system would only show a slight advantage, since it all changes by the river, and you can throw any point system out the window.
Favorite-to-underdog matchup Probability Odds, discounting suitability
Pair vs. 2 undercards (AA vs KQ is only slightly better than 88 vs 34)
83% to 17% or 4.9 : 1
Pair vs. lower pair (AA vs KK about the same as 88 vs 33)
82% to 18% or 4.5 : 1