Beginners' Rules (
http://en.wikipedia.org/wiki/Mornington_Crescent_(game)) (May be somewhat inaccurate)
Rules 2 (
http://www.bbc.co.uk/dna/h2g2/A3795816)
Map (
http://grimebeatsonline.com/london-underground-tube-map.gif)
The variation is Totteridge, 1884 - Revised Second Edition.
The opening market value is 8.5%, the index at 3, investment at 8 and deflection of 3 degrees. Line Velocity is 0.8.
The opening move is, of course, Loughborough Junction.
Brixton, sir. Brixton. That's right; I'm invoking rule 74 of the revised edition: Diagonals on an inner London street corner.
The market value now stands at 15%, the index remains at 3, investment is steady at 8, and deflection dropping to 1. Line velocity has increased to 0.85.
Bah, I thought this is the Wikipedia version. And I wouldn't have played it even then, seeing as playing a Wikipedia game on a vBulletin forum is not the most productive method of passing time in the year 2008 AD.