In September 1972, who did Bobby Fischer defeat to become the first American World Chess Champion?
Boris V. Spassky Boris Spasski Бори́с Васи́льевич Спа́сский Boris Spassky Boris Vasilyevich Spassky Boris Spasky
boris spasky boris v spassky boris vasilyevich spassky бори́с васи́льевич спа́сский boris spassky boris spasski
boris spassky
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Boris Spassky