I am innept at best with computers on my good days so I`ll just refer to my replay "earths rotation! ". This was my first birdie putt on BB #15. 73ft.,2yds. from the back fringe. I also used the technique Joeyola mentioned although it took me a couple of minutes to judge the break. Hence the title which I forgot to employ ! Since this putt I always smile when I tee off 15. It helps! Enjoy !