About Reversi Baby! - Free Puzzle!
Reversi is a very famous board game.
This covers from beginners to masters.
You can play with Deep Leaning AI that grows up along with your level.
AI has 100 levels and when you win level 100, it learns your steps by machine learning.
Rule by Wikipedia
Each of the disks' two sides corresponds to one player; they are referred to here as light and dark after the sides of Othello pieces, but any counters with distinctive faces are suitable.
The game may for example be played with a chessboard and Scrabble pieces, with one player letters and the other backs.
The historical version of Reversi starts with an empty board, and the first two moves by each player are in the four central squares of the board. The players place their disks alternately with their color facing up and no captures are made.
A player may choose to not play both pieces on the same diagonal, different from the standard Othello
opening. It is also possible to play variants of Reversi and Othello wherein the second player's second move may or must flip one of the opposite-colored disks (as variants closest to the normal games).
For the specific game of Othello (as technically differing from the historical Reversi), the rules state that
the game begins with four disks placed in a square in the middle of the grid, two facing white side up,
two pieces with the dark side up, with same-colored disks on a diagonal with each other. Convention has initial board position such that the disks with dark side up are to the north-east and south-west (from both players' perspectives), though this is only marginally meaningful to play (where opening memorization is an issue, some players may benefit from consistency on this). If the disks with dark side up are to the north-west and south-east, the board may be rotated by 90 degrees clockwise or counterclockwise. The dark player moves first.
Dark must place a piece with the dark side up on the board, in such a position that there exists at least
one straight (horizontal, vertical, or diagonal) occupied line between the new piece and another dark piece, with one or more contiguous light pieces between them. In the below situation, dark has the following options indicated by translucent pieces:
After placing the piece, dark turns over (flips, captures) all light pieces lying on a straight line between
the new piece and any anchoring dark pieces. All reversed pieces now show the dark side, and dark can use them in later moves-unless light has reversed them back in the meantime.
In other words, a valid move is one where at least one piece is reversed.
If dark decided to put a piece in the topmost location (all choices are strategically equivalent at this time), one piece gets turned over, so that the board appears thus:
Now light plays. This player operates under the same rules, with the roles reversed: light lays down a light piece, causing a dark piece to flip. Possibilities at this time appear thus (indicated by transparent pieces):
Light takes the bottom left option and reverses one piece:
Players take alternate turns. If one player can not make a valid move, play passes back to the other player.
When neither player can move, the game ends. This occurs when the grid has filled up or when neither player can legally place a piece in any of the remaining squares. This means the game may end before the grid is completely filled. This possibility may occur because one player has no pieces remaining on the board in that player's color.
In over-the-board play this is generally scored as if the board were full (64-0).
Example where the game ends before the grid is completely filled:
The player with the most pieces on the board at the end of the game wins. An exception to this is that if a clock is employed then if one player defaults on time that player's opponent wins regardless of the board configuration, with varying methods to determine the official score where one is required.
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