1. e2e4  1... c7c5 Navara revealed that this move was a sort of surprise for him as his opponent tend to play the open games against stronger players. 2. g1f3  2... d7d6  3. f1b5  3... b8d7  4. b5a4 "Rare but fashionable line" (Navara) 4... g8f6  5. e1g1  5... a7a6  6. c2c4  6... g7g6  7. b1c3  7... f8g7  8. d2d3  8... e8g8  9. h2h3  9... b7b6  10. c1g5  Navara improved on an earlier game of his, where he played as... Black! 10... h7h6 An inaccuracy. Grandelius should have jumped in the center at  once. 11. g5e3  11... c8b7  12. d1d2  12... g8h7  13. a1b1  13... e7e6  14. b2b4 Generating useful pressure along the b-file. 14... d8c7  15. f1c1  15... f8d8  16. a4d1 "Also an idea by Bartel" (Navara) This is the  thing, Navara not only played a game in this line, but had a chance to  examine it and was armed with ideas. The bishop protects the f3 knight  which is crucial in some lines. 16... g7f8  17. e3f4  17... d7e5 Either an oversight, or a sacrifice which was not  calculated properly. 18. b4c5  18... b6c5 Forced. 19. f3e5  19... d6e5  20. f4e5  20... c7e5  21. b1b7  21... h7g7 Black lost a pawn, but is not  yet lost due to the opposite colored-bishops and the strong d4 square for  his pieces. 22. d2e3  22... a8b8  23. b7b3  23... f6d7  24. f2f4  24... e5d4 