Nice thread Massimo. A couple things, first about preflop #'s. You can use just VPIP/PFR to narrow someone's range, however as everyone knows the money is made postflop. Their preflop stats must coordinate with thier postflop game. The two extremes are a 12/10 nit with an AF of .5 and a 50/30 maniac with an AF of 8. The nit is only playing premium hands yet is never betting? The maniac is playing half the deck but hits everything? The more hands a person is playing should lead to a lower AF, especially on the turn and river or they are folding a lot of turns and rivers.

The other thing I picked up on in this thread is a lack of discussion on value betting. This also comes into play in your 'pot control' or better stated 'checking the turn' discussions. You need to determine how many streets of value your hands has against a villain, and if that is only 2 streets then you need to determine if that 2nd street of value is the turn or river. Example you hold AK on the BTn flop comes K27r. Villain has 99 called PF in the SB and calls your flop bet. He seems solid and if you bet 3 streets he will likely fold the turn/river. After your flop bet you check the 8 turn. He now may value bet his 99 feeling that it is the best hand, or will likely call your river bet giving you the 2 streets of value. Of course if you feel he will call you down with 99, then you need to value bet all 3 streets.

I would like to know Massimos thoughts on value betting, and when is it optimal to shove for value?