Find, compare, write higher value - multiple columns and contitions

Hi guys,
lets say I have four columns, two with different sets of journal ISSN a two with their respective values, e.g.:

ISSN 1 | Points 1 | ISSN 2 | Points 2
0001-1234 | 100 | 0002-5678 | 110
0002-5678 | 100 | 0001-1234 | 110

My goal is to to find and write (in two new columns) ISSN with higer points or -if not matched by ISSN- write "no match" in first of those two new columns.

Any help would be greatly appreciated, thank you!