How to Profile a player

One skill I would like to work on is getting better at profiling villains. What are some Key questions that I should ask myself or traits I should stay aware of about villains and keep in mind when playing (in particular live)?

Example:

How many chips villain has?
Has he played many hands?
Has he shown he plays solid hands or ATC?

or

What can be done to become better at reading villains and putting them on ranges or understanding what some of their tendencies are?

Thanks for you input

Live play has volumes written about reads, online has less to go by so you have to look at their betting styles, hands played to showdown, how aggressive they are with good hands (sets or better) vs weak hands (like middle pair), etc., do they try to steal pots at show down by making pot sized bets, do they slow play straights or do they re-raise 3x bet.

One example of a "good" call I made was when the player on my left checked the turn when the board paired Q's. Now this guy was betting like a maniac when he made a hand. the board was un-coordinated and the river wasn't particurally intimidating. he made a 1/2 pot sized bet from UTG at showdown ($1.20 in a micro game) the CO folded and I was on the button with AA (this was PLO not hold'em so AA has much less value). I thought about it for a couple of seconds and called, he had air. It was how he was betting that lead me to make the call (2 pair is not very good in PLO). I was sure he didn't have a Q, if he made a set on the river he would have bet the pot, if he had a set prior to the river he would have bet in heavy to the FH, I beat any smaller pair so I thought it was worth a call. It was all based on his betting style over the 50 or so hands I saw him play.

Keen observation is key. Most players will play a very predictable game, and after many hands the type of playing style they use will become more and more apparent.

Use the note function that most software offers and be sure to note anything unusual in their play.

I usually assume every player is a fish until proven otherwise.

Make sure to keep adjusting your notes as you see fit. But be aware that even the most "predictable" player can and will do something that will sruprise you.

I find the best notes to take are: what hand range do they open with from EP, MP and LP. What is their limping range from these positions. How do they react to people raising their limp (do they call/fold/3bet). How do they react to being 3bet.

Then post flop you should keep an eye on how they play hands oop. Do they check/fold a lot, do they like to float and bet the turn.

Try to keep this going for all positions.

Now, I know it's nearly impossible to keep very detailed notes on many players while a game is in progress, but it's up to you to devise a system that will help you recognize certain traits in players, without having to take your eyes off the action for too long.

And yes, if my post seems scattered it's because I just had 3 cups of really strong coffee and I am feeling a bit scattered at the moment...

Betting patterns, do they play position, do they continue bet, 3bet, what hand ranges do they play, and what are they opening with. Especially pay attention if they don't play really standard type of profile like tight, passive, agro. And adjust your profile of them if you play with them a lot - some people play different late in tourneys or whatever, and a snap judgement early doesn't always hold true.

I play a lot ot of house games and i find it easy to get a read on people. I see how they bet and how to act while waiting to play a hand