1. In a naval warfare game, the combination of a gameboard having thereon a playing field including a square area of individual checker squares forming the open sea, a perimeter of one row of squares of the same size as the checker squares extending therefrom and completely surrounding all four sides of the square area and forming coastal waters, a square of the coastal waters respectively connected to a square of the open sea, and individual tabular blocks extending from each of the coastal water squares on all four sides and forming seaports, said squares of the open sea, squares of the coastal waters and seaports all defining game piece positions, ans two distinguishingly identifiable sets of game pieces, each game piece being of a size capable of occupying and fitting within a single square and representing a naval vessel, each game piece including a prescribed amount of a particular naval characteristic representative of the respective naval vessels, wherein said presribed amount represents the number of position moves which the repsective game piece has with relationship to the game, wherein said gameboard playing field further comprises a center line diagonally bisecting the square area of individual checker squares forming an Eastern and Western hemisphere on either side thereof, two corner areas respectively positioned adjacent the other diagonally opposed corners of the square area forming canal seaports, four areas respectively positioned adjacent each of the four sides of the square area on the outside of the seaports forming naval airbases, and a circumscribing circle about the entire playing field forming an entire sphere.