1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1b5  3... a7a6  4. b5a4  4... g8f6  5. e1g1  5... f8e7  6. d2d3 Ding is one of  the leading Marshall specialists, and there are very few brave players who can dare to repeat Radjabov's epic effort from the World Cup.