[Retros] At home proof games in 7.0 moves

[Joost de Heer]

> Francois> SPG in 7.0 moves, how many solutions?

> 

> I was confused by that anyway, since I always thought SPG meant 

> there was only one solution, as opposed to PG, which can have many 

> solutions.


SPG: No solution in less moves exists.
PG: Solutions in less moves may exist. (some people use PG where SPG could be used)

Joost
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