meyersh/gimli — comment on commit ee1c744d7fdcd2401f710796549d95d8fdbe1e27
File: 431/project3/Pente.hpp line 100
By meyersh:

This is a memory leak. If multiple boards were used in a program, the memory would never be reclaimed until the program terminated.

What you want is

delete Board[i];
Board[i] = NULL;