CHOMP
In the game of Chomp, players bite a rectangular cookie in turn.
The player chomping the last bite (0,0) loses.
Each chomp, a row and column, bites off all below and to the right.
Rows? 3
Columns? 5

 01234
0*****
1*****
2*****
Player 1 chomp? 1 4

 01234
0*****
1**** 
2**** 
Player 2 chomp? 2 1

 01234
0*****
1**** 
2*    
Player 1 chomp? 0 1

 01234
0*    
1*    
2*    
Player 2 chomp? 1 0

 01234
0*    
1     
2     
Player 1 chomp? -1 0
That is not a legal chomp position.
 01234
0*    
1     
2     
Player 1 chomp? 0 5
That is not a legal chomp position.
 01234
0*    
1     
2     
Player 1 chomp? 1 1
That position is already chomped.
 01234
0*    
1     
2     
Player 1 chomp? 0 0

Player 2 wins!