The first raise pre flop
As opposed to a call?
ie
blinds 25/50
player5posts SB 25
player6 posts BB 50
player1: fold
player 2: fold
player3: call 50
player 4 RAISE 150 (2bet)?
etc etc
Thanks Alfie and Rudy. Loving PT4, didn't think it would be as interesting and helpful as it is. Got to look at HM2 next and see which is better.