Party Poker No-Limit Hold'em Tourney, Big Blind is t400 (3 handed)
internettexasholdem.com
Hero (t3020)
BB (t765)
Button (t6215)
Preflop: Hero is SB with A[img]/images/graemlins/diamond.gif[/img], Q[img]/images/graemlins/spade.gif[/img].
<font color="#CC3333">Button raises to t800</font>, Hero pushes
im new to STTs, is there some formula i can use to calculate my $EV if i can put in his calling range or something, especially with these chip stacks