Tic Tac Toe Tactics 2

Logic Level 2

You are playing a game of tic-tac-toe. You play as O O while your opponent plays as X X . The game plays as shown:

Where should you put your next O O in order to save yourself from losing?

Lower-left corner Upper-right corner Any of the two corners Any of the middle spaces on a side Either middle space on the left or right side Either middle space on the upper or lower side

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Jeremy Bansil by Jeremy Bansil , 27, Philippines

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7 solutions

Jeremy Bansil
May 18, 2015

Placing a mark on a corner would make the opponent put a mark on the opposite corner, leading to a fork (which would make you lose). However, if you put a mark on the sides, you would prevent the opponent on making a fork. It doesn't matter which side would you put a mark on. So the answer is Any of the four sides .

23 Helpful 2 Interesting 3 Brilliant 0 Confused

it doesn't guarantee that you will win. :)

Grant Wynn Arnuco - 6 years ago

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The question is how will you save yourself from losing.

rita Arora - 6 years ago

Of course O O would not win.

Jeremy Bansil - 6 years ago

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hey if you think it will save you then you are wrong putting a mark in corners will work but you will not able to win as it will make a tie as opponent will have no continuous 3 columns to make a win take your question back

Pranav Kumar - 5 years, 7 months ago

yes ! this match will be a tie one..cause if u put 0 on upper middle side,your opponent will put X on lower middle side..if u put 0 on lower middle side then opponent will put X on upper middle side...like this,at last stage this match going to be a tie one..

mehdi hasan - 6 years ago

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There is no way of preventing this loss. Either way you will be forked even if you place an O in the middle or anywhere else for that matter.

Jared Crawford - 5 years, 1 month ago

If you put an O right-middle then X will go bottom-left and O will lose. In fact, there is no way to avoid a loss from here as long as X goes opposite corner after O's second move

Jon Sims - 5 years, 2 months ago

I disagree. Even if you put it on one middle-side, he can still fork, can't he?

Aarush Kumbhakern - 5 years, 2 months ago

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Aarush Kumbharn, here we supposed to choose the option which will give us positive outcome immediately

Aaradhya Verma - 2 years, 3 months ago

For example: if I put an O in the left side (center), the other player could pur an X in the top left corner. This answer is not correct because for everywere I sign, I'll be not surely saved.

leonardo aldegheri - 3 years ago

The answer is correct, because no matter which side you put an O in the middle of, the X player must block if they're playing optimally.

James Gaulden - 2 years, 4 months ago

Tic tac toe is for nerds who always say no.

yera kim - 5 months, 2 weeks ago
Prabhat Khare
Jan 31, 2016

O will certainly loose even if he puts marks on middle tiles. Even if O puts marks on mid tile X will put marks on opposite side corner again leading to win for X

13 Helpful 0 Interesting 0 Brilliant 2 Confused

He has to block your Os for him to put it in the corner

Leven Wood - 4 years, 11 months ago

But if you put on middle he has to block your shot first, which means you block his, which means he blocks yours, which then means you block his, and cat's game.

Pallington - Junkrat's American Cousin - 3 years, 7 months ago
Achille 'Gilles'
Jan 31, 2016

Corners are the worst move. If you put your O in a corner, simply by blocking you, your opponent will have 2 options for his next move.

So avoid corners to force your opponent his next move on the central column or the central row.

  • There is only one strategy in TicTacToe. Find a way to have 2 winning options on the next move and avoid move that could give your opponent this option.
5 Helpful 0 Interesting 1 Brilliant 0 Confused

The reason for not putting it on an corner is that then they put one in the opposite corner, so whatever you do you lose, because they have two winning moves.

Ivy Litton - 3 years, 3 months ago
Angelo Curcio
Nov 7, 2015

Any one of the four sides. You force your opponent to make a defensive move. For example put O in the top middle space, opponent must mark the bottom middle space or else you will win. You then mark bottom left to block him etc.

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Tariq Al-Bayer
Sep 8, 2020

If you play on a corner, X will just play on the opposite corner causing a fork. Thus you have to play on a side which will cause X to block you, then the game will end in a tie.

P.S. (You can't win this game as long as X plays optimally, the best you can get is a tie)

0 Helpful 0 Interesting 0 Brilliant 0 Confused
Henrique Ribeiro
May 20, 2015

If the opponent doesn't make a mistake, you can draw the match, marking in any middle spaces. If you mark the corners, you'll lose.

0 Helpful 0 Interesting 0 Brilliant 0 Confused
Faisal Islam
May 20, 2015

Here the opponent has sure-win if he puts a X at any of the corners left. But there are two corners and only one turn to secure them so do not even approach the corners. Now leta look at the sides of O. Putting an O on any of the 4 sides allows you to win in the next turn if opponent goes on to place X in the corner. So to prevent a loss, place O at any of the sides. Not corners.

0 Helpful 0 Interesting 0 Brilliant 0 Confused

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