This is taking the simple case of a closed system and players being weightless points within the play area. Once you have to take into account token stacking, the gravity well of a Dollis Hill loop or being shunted up the Oval, then the calculations become much more complex. One of the best methods of winning is to keep a poker face, never go near Colindale except on Tuesdays and wear a stout pair of underpants.

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