Running the program and repeatedly entering GO, will crash the program after a while:
GO
GO
MY MOVE - N-N1.
GO
GO
MY MOVE - P-QB5.
GO
GO
Runtime error 201 at $0040758F
$0040758F SEARCH, line 2727 of chess05gnu.pas
$0040B2A2 MYMOVE, line 3627 of chess05gnu.pas
$0040C5FD main, line 4026 of chess05gnu.pas
$00413EC1
And running it in gdb gives:
Program exited with code 0311.
(gdb) bt
No stack.
So, no help there.
Bart