1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1c4  3... g8f6  4. d2d3  4... f8e7  5. b1c3 What's new is well-forgotten old. What we played as children is coming back as a chess fashion. 5... d7d6  6. a2a3  6... c8g4 Dubov uses this defense quite successfully. 7. h2h3  7... g4f3  8. d1f3  8... c6d4  9. f3d1  9... c7c6  10. c4a2  10... e8g8  11. e1g1  11... d4e6  12. c3e2  12... d6d5  13. e2g3  13... d5e4 An obvious move and a novelty. What happens next is a beautiful concept. 14. d3e4 