h a l f b a k e r y
Expensive, difficult, slightly dangerous, not particularly effective... I'm on a roll.
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The inversi game is played on a conventional 8x8 game
board, identical to Reversi (also known as Othello), and
with 64 disks, each of which is white on one side and
black on the other, again, identical to Reversi.
The rules, however, differ. There are two separate
game phases, with different
The first phase is as follows: The game board starts
empty, with no disks on it. Each player takes turns
placing one disk on the board. No flipping occurs, and
both players can choose whether the disk they place is
white side up or black side up.
After the last disk is placed (by the second player) the
first player chooses who will be white, and who will be
black. The game enters the second phase, and the
second player moves next.
During the second phase, each player removes a disk of
his own color from the board, and flips one or more
disks of his own color to his opponent's color.
The board after the move must satisfy the following
condition: if the player were to put his tile back on the
board, in the location he removed it from, and flip
pieces according to the rules of normal Reversi, the
result would be identical to the board before he
removed his disk.
If a player is unable to make any such move, he must
pass. If neither player can legally remove a disk from
the board, the game ends.
Whoever has the most disks left on the board at the
end of the game wins.
Players may agree to skip the first phase, and start the
game with some predetermined pattern (all black, all
white, a checkerboard, etc) or have a computer fill the
||This sounds really complicated! I haven't even figured out regular Reversi strategy yet.
Why Versi? That name would imply that Reversi is
||If we ignore the first phase, which is really just filling
the board in semi-randomly, then it's no more
complicated than regular Reversi, but played
||As for strategy (for regular Reversi), there are several
books to read, but the simplest suggestion is that,
during the beginning and middle of the game, try to
maximize your own mobility (the number of places
which it's legal for you to move) and minimize your
||Also, it's nearly always a good thing if you can force
your opponent to make a move which will allow you to
take a corner on the following move. Usually, this is
done by forcing him (or tricking him) into eliminating all
other moves he might otherwise have made.
||I would play this, probably more than once.
||I played Reversi against the computer a few times, and it always seemed to try to capture the 3rd square from the corner (along each side). So there may be something magical about those squares too.