Some elements of soccer don’t present a clear and direct interaction with the shot, such as the tactical or the formational change. You can use the location of the players to decipher the shape of a team, but how do you measure the efficiency and the individual contribution of each position? To this end, we developed an xG-based score – Expected Possession Goal (xPG) – that is dependent on the location of the ball but not the shots creation.
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