This is not in the same league, so to speak, but it is unusual nonetheless. You can have fun trying to imagine the strategy that results in this peculiar clash.
It was concocted by Huang Yizhong and Zhang Li playing in the Chinese Cities League in 2006. Actually, according to some, this X marks the spot where the da Vinci treasure is buried. By filtering the move coordinates in a certain way, the latitude and longitude appear. But the film's out already so we won't bother with the details. In any case, the conspiracy theorists always seem to find enough to keep themselves amused.