For analyzing accuracy the German army fired a group of shots right into a goal and used data to determine successful probability. For this they drew a circle that disregards the hits over the outer Element of the goal and only rely 50 percent from the hits (50% or R50) https://felixfvibt.bloguetechno.com/the-smart-trick-of-m98-คาส-โนออนไลน-that-no-one-is-discussing-68403112