Improves MiniMax searcher to dynamically determin max/min node, but may have still a bug(s), especially detecging a loss move in depth 4.
Plays one game only for CompositeGamer, and loops at play1.sh script; fixes a typo of printing message.
Implements alpha-beta pruning, but still contains a bug(s)..
Enhances Minimax, but still bugs, even if turning off alpha-beta pruning.
Fixes minimax bug (but no alpha-beta pruning).
Enables alpha-beta pruning.