Offensive obstruction example: “shielding the ball from a legitimate tackle with any part of the body”
FIH 9.12 rule says:
Players must not obstruct an opponent who is attempting to play the ball. Players obstruct if they : – back into an opponent – physically interfere with the stick or body of an opponent – shield the ball from a legitimate tackle with their stick or any part of their body.
1) In the first action, the attacker receives the ball and overlaps the opponent with no foul: