It's not quite clear from your pseudo path, whether you specified a relative path.  If so, make it an absolute one (e.g. "c:/path/to/directory/of/chess-square"). In this case, both use lib ... and BEGIN { push @INC, ... } should work just fine (if you specify the correct path).

In reply to Re: How to use a .pm file in a .pl file in another directory. by Eliya
in thread How to use a .pm file in a .pl file in another directory. by tommyxd

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