Colin Colenso said:
That said, I think my safety / defensive knowledge is pretty limited. I would appreciate some advice from experienced US 8-ball players on strategical insights and usefull training drills to help learn the application of these.
Here's something from several years ago:
One up and One Down
One of the strongest strategies that I use in 8-ball is the notion of "One
up and One Down." Basically, the idea is that in an end or near end game
situation, there may be opportunities where you have different safety
options. What I like to do is to
maximize my shot rather than just play a duck type safe. Consider the following.
http://endeavor.med.nyu.edu/~wei/pool/pooltable2.html
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I see an awful lot of players content with playing a safety along the blue
arrow. Although you're still in strong position and should win a majority
of the time, you've left one shot on the table that will beat you and you've
forced your opponent to shoot it. Not to say it's high percentage, but it's
there. Three rails to the 12, and you're locked. I would rather my players
take a stronger safety along the yellow arrow, putting one ball up table and
one ball down table. Now there's no return shot other than a wild kick in.
This type of "one up and one down thinking" will win the matches. And the
shot along the yellow is no harder to execute than along the blue.
I think the term "one up and one down" has two meanings when talking about
1-pocket. One is similar to the previous example with "one up table and one
down table." The other (1-pocket players tell me if I'm wrong, please) is
the type where you've positioned one ball on the foot rail, and another on
the side rail adjacent to your pocket (pocket A).
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I think this is also a strong strategy that, frankly, should be considered
beginner's strategy.
Fred