Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Among his most notable achievements during his career as a chess player are his 1991 magnum opus against Dutchman Jan Timman and his 1993 world championship title showdown with Garry Kasparov.