To edit an XML file. Double-click the file you want to edit. From the Project menu, select Add New Item. Select XML File from the Templates pane. Enter the filename in the Name field and press Add. The XML file is added to the project and opened in the XML Editor.
According to Intel, there are currently 711 million PC gamers in the world, which works out as one in every ten people on the planet.
There is a recent TV show episode that claims that there are more possible games of chess than atoms in the universe. They go on that each possible move represents a different game, a different universe [..]; by the second move there are 72084 possible games, by the third -- 9 million, by the fourth --- 318 million.