Crossword puzzle clue "they're worth in chess tournaments"

They're worth ½ in chess tournaments

Artist and chess player who said "While all artists are not chess players, all chess players are artists"

They're seen at marble tournaments

They're drawn in tournaments

They may be upset in tournaments

"___ job's worth doing, it's worth doing well": 2 wds.

Chess expert's requirement for attending a chess tournament?

They're milked for all they're worth