Ilkka Blom
Ilkka Blom,
a Finnish chess problem composer and author of the commercial chess solving programs Alybadix [2] and the Excel worksheet for solving 9 x 9 Sudoku grids, Aly-Sudoku. Alybadix is one of the oldest software (1980) programs for chess problems, compatible with the free Windows GUI APwin by Paul Wiereyn [3].