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Tac tac toe is a simple game that everyone has played. In this
version the game does not stop when a player gets three of his
symbols in a vertical, horizontal or diagonal row. The game
continues with players marking over the occupied cell with their own
symbol until a second row is achieved.
This makes for an interesting
game because so called 'cats games' or draws do not mean the end,
and niether does getting three in a row. The game continues until
one player has occupied two rows.
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Annotation:
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I thought you'd be proposing a version on a 2x3 grid, but this is better. |
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Thanks, in my opinion its better than the one row version.
I wonder why such a simple variation is not known. |
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I think "O" will probably be the most-often winner
here. That's because you are requiring the board
to be filled before you can overwrite a square, and
in a "cat" game, "X" always has a useless last move,
which fills the board. |
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Remember that for any two people who are very
familiar with the game, the result is always a draw,
a "cat" game. |
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So "O" comes along with the first opportunity to
overwrite, and immediately overwrites a
"blocking X" somewhere, and now has one
instance of 3-in-a-row. "X" can do the same. But
now it is the turn of "O" again, and I suspect that
most of the time "O" can get a second 3-in-a-row,
and thereby become the most-often winner. |
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You might come to a situation where the optimal move
for both players is to overwrite the opponent's last
move, in which case the game would effectively come
to a standstill. To prevent this, you could either
disallow playing on the same space as the opponent on
the turn immediately following, or implement a rule
that the board can never look like any previous board
(similar to Go). |
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Right, that would be a problem. Every cell has to remain
occupied for a full turn. |
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If I overwrite your symbol, does your symbol still count? Do we both occupy? Or are the symbols here like a coin: a box can be empty or have heads or tails, and on my move I can place a coin or flip an already placed coin to my symbol. |
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If the flip version is allowed, there should be a rule
that you cannot reflip the same coin your opponent
just flipped. Because that might go on forever. |
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Obviously the previous symbol complicates the game, but
if the players can somehow manage to erase the previous
symbol, write over it, or something else then the game
can continue. Where there's a will there's a way. I like the
coin idea, but the last problem you present has been
covered with the rule "every cell has to remain occupied
for a full turn". Therfore a cell that was not occupied on
the start of the last turn, for instance the last cell to be
filled, is not playable. |
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If the o and x are drawn small, overwriting can
be indicated by the largest symbol in the square.
Extending the x past the circle or circling the x. |
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If the overwriting gets too big, the board can always
be refreshed to another piece of paper. |
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How is this different than just playing two games? |
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Well, in this version you tell your opponent to try and get
two rows, in two games you say "hey, do you want to play
again?". |
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If a wet day and my nieces are around, I'll test this. |
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I just tried this with my daughter....the game finished
very quickly several times, so I tried a variation that
required more strategy....and it is basically the same
idea except you can change the other persons symbol
to yours ( except the most recently changed ) at ANY
time in the game...even before the board is filled. This
changed it into a longer game. |
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It will be interesting how far this meme will go. |
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Yes, it will. My daughter is going to teach her friends
at school, and.... |
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Today the world wide wide web, tomorrow the world! |
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