Your opponent is using a pre-KDE4 version of KBattleship. Note that, according to the rules enforced by old clients, ships cannot be placed adjacent to one another.
Vaš nasprotnik uporablja različico starejšo od te za KDE4. Po pravilih, ki veljajo za stare odjemalce, ladje ne morajo biti postavljene povsem skupaj ena zraven druge.