Completed the following sentence: He played for Argentina at the 1958 World Students' Olympiad at Varna on board two, scoring 6/10. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ <unk> <unk> <unk> <unk>
1958 Munich Olympics, again as first reserve, and scored 9.5/15. ️<unk>️<unk>️<unk>️<unk>️