Conversation so far:
When did the Long Beach International Championships take place?
1964.
What did Lee preform there?
the "One inch punch.
What was the one inch punch ?
Lee's right arm was partly extended and his right fist approximately one inch (2.5 cm) away from the partner's chest.
Without retracting his right arm, Lee then forcibly delivered.

Question: Was this a powerful punch ?
Self-contained rewrite: Was the one inch punch performed by Bruce Lee at the 1964 Long Beach International Championships a powerful punch ?