1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1c4  3... f8c5  4. c2c3  4... g8f6  5. d2d4  5... e5d4  6. b2b4 A very rare  move. And a top guess by Dubov as we shall witness! 6... c5b6  7. e4e5  7... f6e4  8. c4d5  8... e4c3  9. b1c3  9... d4c3 All these moves are obvious and logical, as well as Dubov's next novelty. 10. c1g5 In the spirit of the old masters. Material is irrelevant; initiative is everything. 10... c6e7  11. e1g1 Karjakin's problems were multiplied because his opponent was  practically blitzing his moves. 11... h7h6 Getting ready to swap this  bishop. 12. g5h4 