Battleship has the notorious and mostly inaccurate designation of being a game of pure luck. This is a lazy designation for the classic version of the game and an outright falsehood for the “Commanders” mode. For posterity, here is the method I came up wit 

I calculated the best item. 

Step 1: put your ships Be sure to put them in places where the enemy won't click Step 2: click on the enemy ships For more efficiency, don't click where the enemy ships aren't- only click where they are and you'll win faster Step 3: nothing you already won...