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Chess would remain a passion of his , and he became acquainted with world chess champions José Raúl Capablanca , whom he beat in a simultaneous exhibition match in 1914 , and Mikhail Botvinnik , with whom he played several matches in the 1930 s .
 person: José Raúl Capablanca; person: Mikhail Botvinnik
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 person: José Raúl Capablanca; person: Mikhail Botvinnik