Question: How does one score a zero in a diving competition?
About the article "Diving", section "Competitive strategy".

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The men's 3 metre springboard, also reported as "springboard diving", was one of four diving events on the Diving at the 1988 Summer Olympics programme.
Memorably, defending champion Greg Louganis managed to complete the preliminary qualifying after hitting his head on the springboard while performing a reverse 2½ pike in the third round and suffering a concussion, and continued to the finals to win the gold medal.
A historic score was also established by Hong Kong athlete Kin Chung Wong, who jumped right after Louganis' injury and was so unnerved by the event that he did a wrong dive that earned him the first zero score ever in the Olympics.
The competition was split into two phases: "Preliminary round" (19 September) :Divers performed eleven dives.
The twelve divers with the highest scores advanced to the final.
"Final" (20 September) :Divers performed another set of eleven dives and the score here obtained determined the final ranking.  
A single diver represented Austria, which was one of three nations (along with Great Britain and host Sweden) to send women to the first Olympic women's diving competition.
It was Austria's first appearance in diving.
Hanny Kellner did not finish the competition. 
The women's synchronized 10 metre platform was one of eight diving events included in the Diving at the 2000 Summer Olympics programme and one of the four new events added for the 2000 games since a change was made in 1924.
The competition was held as an outright final: "Final": 28 September — Each pair of divers performed five dives freely chosen from the five diving groups, with two dives limited to a 2.0 degree of difficulty and the others without limitation.
Divers could perform different dives during the same dive if both presented the same difficulty degree.
The final ranking was determined by the score attained by the pair after all five dives had been performed.  
The men's synchronized 3 metre springboard was one of eight diving events included in the Diving at the 2000 Summer Olympics programme and one of the newest four events since 1924.
The competition was held as a direct final: "Final": 28 September — Each pair of divers performed five dives freely chosen from the five diving groups, with two dives limited to a 2.0 degree of difficulty and the others without limitation.
Divers could perform different dives during the same dive if both presented the same difficulty degree.
The final ranking was determined by the score attained by the pair after all five dives had been performed.  
The women's synchronized 3 metre springboard was one of eight diving events included in the Diving at the 2000 Summer Olympics programme and one of the four new events added for the 2000 games since a change was made in 1924.
The competition was held as an outright final: "Final": 23 September — Each pair of divers performed five dives freely chosen from the five diving groups, with two dives limited to a 2.0 degree of difficulty and the others without limitation.
Divers could perform different dives during the same dive if both presented the same difficulty degree.
The final ranking was determined by the score attained by the pair after all five dives had been performed.