A concert pianist finalist of the Van Cliburn once told me that he has played the third concerto of Rachmaninov 5 times in competitions.....he lost on all of them against the prokofiev FIRST concerto, challenging piece but not very hard, even fun to play but extremely effective at international piano competitions.
If you didn't mean piano competitions then I think the word ¨useful¨ applies in different ways.....useful in learning it fast, useful in developing a more colorful playing, easy to memorize, easier for you to play because it focuses on your strongest areas of your technique, etc, etc,