Here is an interesting hand observed recently on BBO. Would you open this hand in 1st seat (none vul.)?
It’s a close call. There is a lot to be said for striking the first blow. You have two quick tricks and it makes Bergen’s rule of 20 (11 HCP plus 9 cards in your two longest suits). However, Bergen would downgrade for the ugly doubleton quack in diamonds. Offsetting that, you can add a point or two for length in clubs (but downgrade a little for crummy texture in the long suit). Bottom line is that the majority of good players would likely open the hand one club.
What would you do?