this is an example of why knowing hand combination is important:

Text results appended to pokerstove.txt

792 games 0.005 secs 158,400 games/sec

Board: Qh 2d 8s Td
Dead:

equity win tie pots won pots tied
Hand 0: 46.591% 46.59% 00.00% 369 0.00 { 2h2s }
Hand 1: 53.409% 53.41% 00.00% 423 0.00 { QQ, TT, 88, 22, QTs, QTo }

add in a combo of KJ every now and then and poorly played AA/KK and it looks like a snap call