This one (click the green link in the top line in the box).
It has a really high win-rate if you understand it clearly and use it sensibly.
The member who started the thread, @MattyMoney , is still here and posts quite often, and if you have any questions after a careful read-through, I suggest you post them there and you may get a helpful reply.
Meanwhile, you already got lucky here, and have two great replies just above.