Here's an example of luck: I was in a game a while back, as Germany, was badly out of position against England, but the moment came where I felt I must oppose him since he would stab me eventually anyway. It wasn't going well, in fact, it appeared as though my death was only a year or two away. Desperate times call for desperate measures, so I submitted some orders that were sure to fail since England had a very straight-forward way to eliminate me. To my surprise, England misordered resulting in me gaining enough and England losing enough that one season for me to take the upper hand against England, eliminate England, and solo the game. Sure, there was some skill involved, but no way around it, I got lucky...
That said, I do remember sending some "Mad" messages to England, the sole intent of *trying* to mess with the guy's head and get him off his game, but certainly those sort of desperate tactics don't really work, the guy just messed up at the worst possible time... But, as they say, it's better to be lucky than good...