Tic-Tac-Toe
Choose a cell numbered from 1 to 9 as below and play
1 | 2 | 3
--------------
4 | 5 | 6
--------------
7 | 8 | 9
COMPUTER has put a O in cell 6
| |
--------------
| | O
--------------
| |
HUMAN has put a X in cell 7
| |
--------------
| | O
--------------
X | |
COMPUTER has put a O in cell 5
| |
--------------
| O | O
--------------
X | |
HUMAN has put a X in cell 1
X | |
--------------
| O | O
--------------
X | |
COMPUTER has put a O in cell 9
X | |
--------------
| O | O
--------------
X | | O
HUMAN has put a X in cell 8
X | |
--------------
| O | O
--------------
X | X | O
COMPUTER has put a O in cell 4
X | |
--------------
O | O | O
--------------
X | X | O
COMPUTER has won
Challenging pattern 1
O | |
--------------
| |
--------------
| |
O | | Y
--------------
| |
--------------
| |
O | | Y
--------------
O | |
--------------
| |
O | | Y
--------------
O | |
--------------
Y | |
Y will lose whatever the choice O | | Y -------------- O | O | -------------- Y | |
O | | Y
--------------
O | O | Y
--------------
Y | |
Challenging pattern 2
| |
--------------
| O |
--------------
| |
| |
--------------
Y | O |
--------------
| |
| | O
--------------
Y | O |
--------------
| |
| | O
--------------
Y | O |
--------------
Y | |
O | | O
--------------
Y | O |
--------------
Y | |
Y will lose whatever the choice O | | O -------------- Y | O | -------------- Y | |
O | | O
--------------
Y | O |
--------------
Y | | Y