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Figure 2. Example of two crosses of the shortest way (vector) to the goal. Table 5. Number and location of crosses of the shortest way to the goal.
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The deviation of the resultant vector describing field-coverage of the ball-possession sequence from the longitudinal axis of the pitch (Fig. 3), could be calculated by the software based upon xy co-ordinates. The following table compares the angles of attack of the overall phase and shows that only a very small and non-significant difference can be observed for the two types of sequences.