I notice that my opponent X has pieces at (0,2) and (1,1), forming a diagonal pattern that could lead to a win on their next move if they place at (2,0). By placing my O at (2,2), I'm blocking their diagonal win opportunity. Additionally, this creates potential winning lines for me: I could win vertically by adding moves at (1,2) later, or diagonally if I can get (1,1) in the future. This is both a defensive and potentially offensive move that prevents an immediate loss while setting up future winning possibilities.