Going back to 1978, there are the usual suspects that are easily guessable as well as some players who are more difficult to guess.

There is hints in the form of their debut year and which code they first appeared in as of course many players have appeared in both World Championships. As well as their nationality.

Can you name all 67? Click here to take part in the latest quiz. There are 15 minutes in all with the average player getting 56% of it right so far.