Anyone who is familiar with DoW will probably remember the awesome ability to indefinitely freeze the game, a popular method was to mash the PrtSc key. What was even more fun about this is that the player lagging the game could even kick YOU, if you were not quick enough to kick him.
I just had a game against a player who seemed to be able to replicate this situation, although I don't know the method he used. The game froze and told me it was giving him a lag grace period. After about a minute it asked me if I wanted to kick him, however nothing resulted from this. Eventually after about 10 minutes I guess the guy just gave up and dropped. I find this extremely suspicious because he is a rank 16 player but didn't strike me as being particularly great, so I'm wondering if he has used this method to gain wins.
Possibly related or unrelated, after the game my rank was raised to 4 but it doesn't seem to have saved to my stats.