Battleship (game)
Description
The game is played on two square grids, one for each player. The grids are typically
square, and the individual squares in the grid are identified by letter and
number. On one grid the player arranges his own ships and records the shots by the
opponent. On the other grid, the player records his own shots.
Before play begins, each player arranges a number of ships secretly on the
grid for that player. Each ship occupies a number of contiguous squares on the
grid, arranged either horizontally or vertically. The
number of squares for each ship are determined by the type of the ship. The
ships cannot overlap (i.e., at most one ship
can occupy any given square in the grid). The types and numbers of ships allowed
are the same for each player. These may vary depending on the rules. A typical
arrangement would be: 1 aircraft carrier (5 squares)
1 battleship (4 squares)
1 destroyer (3 squares)
2 cruisers (2 squares each)
1 submarine (1 square)
Another arrangement would be: 1 aircraft carrier (5 squares)
1 battleship (4 squares)
1 destroyer (3 squares)
1 submarine (3 squares)
1 cruiser (2 squares)
After the ships have been positioned, the game proceeds in a series of
rounds. In each round, each player has a turn. During a turn, the player
announces a list of target squares in the opponents' grid which are to be shot
at. If a ship occupies one of the squares, then it takes a hit. When all of the
squares of a ship have been hit, the ship is sunk. After the target list has
been given, the opponent then announces which of his ships have been hit. If at
the end of a round all of one player's ships have been sunk, the game ends and
the other player wins. If all of both players ships are sunk, the game ends in a
tie.
The number of target squares that a player may shoot at in a given turn is
determined by the condition of the players' own ships at the beginning of the
round. The player is allowed to target one square for each square in his own
ships which are not sunk. Thus with the ships described above, the players would
have 17 shots in the first round. As each ship is sunk, the player losing that
ship loses the corresponding number of shots. Thus with the ships described
above, if the battleship is sunk, the player loses 4 shots.
Variations
Many variations in the basic rules are possible, including the sizes of the
grids, the numbers and sizes of this ships, the numbers of shots allowed, and
when hits are announced. Most of the variants simplify the game, which is useful
for younger players.
In one variant, the opponent announces a hit after each target square is
given. This reduces the challenge of guessing the locations of the ships.
In another variant, the number of shots allowed is reduced by each individual
hit, rather than by ships sunk. This reduces the benefit for locating ships
precisely.
A logical variation of battleship in which guessing is not required is more
common in puzzle magazines. There will be some form of clues, either as row or
column tallies or neighboring ship segment tallies in such a way that no guesses
are needed to solve the puzzle.
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