I don't checker and don't really under stand what you are asking. Do you mean if a powered tool is used it is somehow inferior to a push/pull tool. from the few experiences iv'e had trying each method it required considerably more skill to use the powered handpiece. That's just my opinion though. It makes no difference to me which method is used.To me a good job is obvious by the border chosen and the overruns and the diamonds themselves.I prefer mullered borders and not TOO fine lines per inch. Checkering is a personal embellisment that doesn't appeal to everyone.