I approach NT tourneys/games basically the same way except for my adjustments. If I am leaving 10 pins, I don't move or change a thing like I would in league. If I am leaving 4 pins, then I will adjust so I don't start leaving 4-9s. Since 9 is good enough, I just try to get the ball into the pocket as consistenly as possible and not to mess with it too much unless I am coming in too light or too deep.
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HG: 300
HS: 826
Cell, Special Agent, Paradigm, X-Factor, Erase-IT, Spare Storm (black)