Alpha-Beta move generator can look 2 plays (4 plies) ahead on a 4x4 board and blocks every possible attempt by the player to connect 3.

It should be possible to play on larger boards when the computers 'move' is changed from playing a tile to picking the player's next available color.

src/player/MinimaxComPlayer.java

@@ -0,0 +1,5 @@
+package player;
+
+public class MinimaxComPlayer {
+
+}