1. e2e4  1... c7c5  2. d2d4 The Morra Gambit is a popular weapon with amateurs around the world. Grandmasters are a little more skeptical, but they also like to have fun from time to time. 2... c5d4  3. c2c3  3... d4d3 [%c_effect d3;square;d3;type;Inaccuracy;persistent;true] It has been said, wisely in my opinion, that the only way to refute a gambit is to accept it. In blitz games, however, practical considerations are more important than scientific ones, so Dudin was maybe looking for a position that was easier to play, even if worse. 4. f1d3 White now gets free development and will have the chance to get a \"Maroczy\" structure, with pawns on e4 and c4, and a small advantage. 4... b8c6  5. g1f3  5... d7d6  6. e1g1  6... g8f6  7. h2h3 As we have seen, this is an important move to prevent the development of the bishop to g4. 7... g7g6  8. c3c4  8... f8g7  9. b1c3  9... e8g8  10. c1e3 This is a typical position with a white advantage in this pawn structure, thanks to the greater central control guaranteed by the pawns on c4 and e4. The pawn structure is the most important positional element in chess and, often, it's by looking at it that we decide on game plans. Here Black's plan is related to the three possible breaks: b5 (the most realistic), d5 (practically impossible) and f5 (very difficult). Meanwhile, White seeks to finish development, protect his center, and avoid counterplay from Black. 10... c8e6  11. a1c1 