Crossword Puzzles
Crossword puzzles are really tests of vocabulary and interpretation of clues. While they do require some skill, they can solved by an algorithm the uses a dictionary that cross-references clues. Often a partially filled out solution can be 'guessed' in a US crossword puzzle by the fact there are only a couple of words that fit the remaining spaces.
A properly programmed computer should always beat humans because it is much faster at searching data sources than a human can ever be. This really proves nothing to anyone who has worked with computers and programming.