Tic-Tac-Toe
2.3M5,000+
Casual
3.0
![Tic-Tac-Toe Screen Shot 0](https://sg-res.playyah.com/sg/res/jpg/09/d0/a8df4c569fb56ef6e74c46527b27-dho.jpg?x-oss-process=style/mq200)
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Tic-Tac-Toe
Tic-tac-toe (American English), noughts and crosses (British English), or Xs and Os is a paper-and-pencil game for two players, X and O, who take turns marking the spaces in a 3×3 grid. The player who succeeds in placing three of their marks in a horizontal, vertical, or diagonal row is the winner.
Players soon discover that the best play from both parties leads to a draw. Hence, tic-tac-toe is most often played by young children, who often have not yet discovered the optimal strategy.
Because of the simplicity of tic-tac-toe, it is often used as a pedagogical tool for teaching the concepts of good sportsmanship and the branch of artificial intelligence that deals with the searching of game trees. It is straightforward to write a computer program to play tic-tac-toe perfectly or to enumerate the 765 essentially different positions (the state space complexity) or the 26,830 possible games up to rotations and reflections (the game tree complexity) on this space.
History:-
Games played on three-in-a-row boards can be traced back to ancient Egypt,
An early variation of tic-tac-toe was played in the Roman Empire, around the first century BC.
The different names of the game are more recent. The first print reference to "noughts and crosses"
In 1952, OXO (or Noughts and Crosses), developed by British computer scientist Sandy Douglas for the EDSAC computer at the University of Cambridge, became one of the first known video games.
Strategy:-
A player can play a perfect game of tic-tac-toe (to win or at least, draw) if each time it is their turn to play, they choose the first available move from the following list, as used in Newell and Simon's 1972 tic-tac-toe program.
1
1. Win:
If the player has two in a row, they can place a third to get three in a row.
2. Block: If the opponent has two in a row, the player must play the third themselves to block the opponent.
3. Fork: Create an opportunity where the player has two ways to win (two non-blocked lines of 2).
4. Blocking an opponent's fork: If there is only one possible fork for the opponent, the player should block it. Otherwise, the player should block all forks in any way that simultaneously allows them to create two in a row. Otherwise, the player should create a two in a row to force the opponent into defending, as long as it doesn't result in them creating a fork. For example, if "X" has two opposite corners and "O" has the center, "O" must not play a corner in order to win. (Playing a corner in this scenario creates a fork for "X" to win.)
5.
Center: A player marks the center. (If it is the first move of the game, playing on a corner gives the second player more opportunities to make a mistake and may therefore be the better choice; however, it makes no difference between perfect players.)
6. Opposite corner: If the opponent is in the corner, the player plays the opposite corner.
7. Empty corner: The player plays in a corner square.
8. Empty side: The player plays in a middle square on any of the 4 sides.
자세히보기
새로운 기능
version 1.0
First Release
정보
- ID:com.drxmaan.tictoc
- 범주:Casual
- 업데이트 됨:2020-04-01
- 버전:1.0
- 요구:Android 4.0.3
- 사용 가능한:Google Play
- 파일 크기:2.3M
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