. . . . . . . . . . . . . . "1978-02-10" . . . . . . . "Boris Avrukh" . . . . . "Avrukh" . "Boris Avrukh" . "Grandmaster" . . . . "Avrukh's" . "1978" . . . . "Boris Avrukh" . . "Avrukh, Boris" . . . . . . .