N?u ??i th? là m?t ng??i ch?i thi?u kinh nghi?m thì r?t có th? h? s? b?t ??u n??c ?i ??u tiên ? biên.If the opponent spots their 3rd O to dam your winning transfer (making a X-X-O diagonal). Then make your future move by placing your X into A further corner square, enabling you to block your opponent and create a double diagonal. This tends to