The Dog Turtle monkey him a weasel -

[nocarename]

Bluemage wrote:

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nocarename, could you check your copies of the Rules?  I could swear starting at MC was banned, but I can't remember when.
Anyway, while he looks that up, I believe I'll start with Swansea.  Daring move, I know, but I really feel the Welsh Opening is underrated.

My copy is still packed up from a move a few years ago, along with most
of my hardcover fiction (I lost a lot of shelf space in that migration,
alas), but I think the it was the '52 Rationalization Conference where that was codified.
And taking what I've seen so far, I'll go with Canning Town.