Questions tagged [othello]

Game for 2 players using a board comprising an 8x8 grid. Also known as Reversi. Players place counters alternately, creating a line of counters makes all counters in the line yours. The aim is to complete the game with more counters than your opponent.

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Is it legal to use opponent's stones in reversi or othello?

In Reversi or Othello, it is sometimes possible that you run out of stones but still need to make a move. Sources disagree upon the fact if you can or must use opponent's stones in this case. I ...
8 votes
2 answers

Othello - Most number of legal moves in a given turn

Can anyone help me figure out the what the largest number of possible moves for a given turn would be in Othello/Reversi? On the first turn, there are 4 possible legal moves, the next player has 3 ...
2 votes
2 answers

Othello/Reversi: Given the board state of an ongoing game, is it possible to programatically determine the moves the players have made?

Given the current board state of an ongoing game, (the position and color of the tiles on the board) is it possible to determine the moves each player made to arrive at that state? Due to the number ...
4 votes
7 answers

Othello (Reversi) Online community

Are there any online big communities similar to FICS or for Othello (Reversi) where you can play against many players and so on?
1 vote
1 answer

Othello Vs Checkers -- are there any complexity and skill comparisons? [closed]

Which game is harder to play at a high skill level, Othello or Checkers? I realize this is a highly subjective question. I have been playing Othello for 35 years or so, and I'm pretty good Othello ...
6 votes
2 answers

Othello on a non-square board?

Many games - such as Othello, Checkers, Chess1, and Go - are played on highly-regular, square boards. How would the game mechanic change if you played an Othello-like game on, say, a Chinese Checkers ...
18 votes
3 answers

How to approach a game of Othello / Reversi?

I have played the game Othello (Reversi) numerous times but I never approach it with a specific logic or algorithm to apply on each move in my mind. I won many times and lost as much. How would one ...
4 votes
1 answer

In reversi, can you overwrite two chips in one move?

In Reversi if you have a line of chips --xxxy--, you can place another x in the 5th position and overwrite the y you for sure can get the line --xxxxx- (where x is light, y is dark, and - is empty, ...
18 votes
6 answers

Is it possible for an Othello / Reversi game to end without the board being filled?

Is there any case where an Othello (reversi) game would need to no more moves allowed? This happen to one of the two players leading to the other to play again is a common thing. Has it ever happened ...
9 votes
1 answer

Is it possible to fill an Othello/Reversi board with one color?

I have a simple question, but couldn't find an answer anywhere: is it possible to fill an Othello/Reversi board with one color? I already played some games where one of the two opponents was wiped out,...
7 votes
2 answers

What's the least amount of pieces on an Othello board where black or white can't make a move?

Say you're following the traditional rules of Othello. What is the least number of pieces possible on the board, producing a result where one of the two players(black or white) can't make a move, ...
6 votes
0 answers

Is there a formal designation for "pure placement" games?

Specifically in the context of abstract or combinatorial games. As an example, Go and Reversi are both placement games. Although mathematically distinct (Reversi requires placement in the center at ...
13 votes
2 answers

How to force the opponent to take the x squares?

I've been told that I must do two things in order to win hard games in Othello (Reversi): Take the corners Do not take the X squares, as they are the worst squares on the board. We all know that we ...
1 vote
1 answer

Are these board games considered as gambling games? [closed]

Are these board games considered as gambling? A. Checkers? B. Four in a row? C. Othello? Edit: Would it be appropriate to allow children (ages < 18) to play these board games? (On the ...
8 votes
2 answers

Tactics for Othello [duplicate]

I understand that occupying the corners is desirable, as a counter placed there can never be flipped. Also, placing a counter on a square next to a corner seems to be bad as it usually hands the ...