My winrate increased by 2% on an online game I play. So it must have been Friday the 13th for my opponents and not for me.
On a side note: why did Christians consider the number 13 unlucky? Seems a bit arbitrary.... but I'm sure there's some reason... (too lazy to google)....
On a side note: why did Christians consider the number 13 unlucky? Seems a bit arbitrary.... but I'm sure there's some reason... (too lazy to google)....