I'll place my 'O' in the top-right corner (0,2) because this will complete a diagonal line of three 'O's from top-right to bottom-left. I already have 'O's at positions 1,2 (middle-right) and 2,0 (bottom-left), so adding an 'O' at 0,2 will create the winning diagonal. This is an immediate winning move that will end the game in my favor.