Connect Four (also known as Four Up, Plot Four, Find Four, Captain's Mistress, Four in a Row, Drop Four, and Gravitrips in the Soviet Union) is a two-...
Connect Four (also known as Four Up, Plot Four, Find Four, Captain's Mistress, Four in a Row, Drop Four, and Gravitrips in the Soviet Union) is a two-player connection board game, in which the players choose a color and then take turns dropping colored discs into a seven-column, six-row vertically suspended grid. The pieces fall straight down, occupying the lowest available space within the column. The objective of the game is to be the first to form a horizontal, vertical, or diagonal line of four of one's own discs. Connect Four is a solved game. The first player can always win by playing the right moves.
The game was first sold under the Connect Four trademark by Milton Bradley in February 1974.
Connect Four is a two-player game with perfect information for both sides. This term describes games where one player at a time plays, players have all the information about moves that have taken place and all moves that can take place, for a given game state. Connect Four also belongs to the classification of an adversarial, zero-sum game, since a player's advantage is an opponent's disadvantage.
One measure of complexity of the Connect Four game is the number of possible games board positions. For classic Connect Four played on 6 high, 7 wide grid, there are 4,531,985,219,092 positions for all game boards populated with 0 to 42 pieces.
The game was first solved by James Dow Allen (October 1, 1988), and independently by Victor Allis (October 16, 1988).
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SITTUYIN
Sittuyin (Burmese: စစ်တုရင်), also known as Burmese chess, is a variant of chess that is a direct offspring of the Indian game of chaturanga which arr...
Sittuyin (Burmese: စစ်တုရင်), also known as Burmese chess, is a variant of chess that is a direct offspring of the Indian game of chaturanga which arrived in 8th century AD. Sit is the modern Burmese word for army or war ; the word sittuyin can be translated as representation of the four characteristics of army—chariot, elephant, cavalry and infantry.
In its native land the game has been largely overshadowed by Western (international) chess, although it remains popular in the northwest regions.
The sittuyin board consists of 64 squares, 8 rows and 8 columns, without alternating colors. It also consists of two diagonal lines across the board known as sit-ke-myin (general's lines).
Only feudal lords (pawns) are on the board in the initial position. The game starts with the Red player (depicted here having white pieces), followed by the Black player, placing their other pieces arbitrarily on their own halves of the board (known as sit-tee or troops deployment): chariots can be put on any square on the back rank. In official tournaments, a small curtain is used on the middle of the board to prevent the players seeing each other's deployment during the sit-tee phase. One of the possible game openings is shown in the diagram.
Feudal lords promote to general when they reach diagonal lines marked on the board. The promotion is possible only if that player's general has been captured. If the player has a feudal lord on a promotion square and his or her general is no longer on the board, the player can (if he or she wishes to) promote the feudal lord to general instead of making a move. A feudal lord which passes the promotion square cannot promote anymore.
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