sentences:  At Oberlin 1975, he ended up tied for sixth with a score of 6.5/13.At Pasadena 1978, which was the Zonal qualifier, he tied for second with 10.5/14, and advanced to the 1979 Riga Interzonal, part of the World Championship cycle.He scored 8.5/17 and did not advance; the tournament was won by former World Champion Mikhail Tal.