1. e2e4  1... c7c5  2. g1f3  2... d7d6  3. d2d4  3... c5d4  4. f3d4  4... g8f6  5. b1c3  5... a7a6  6. f2f4 This old move still has some venom, it seems. 6... e7e5  7. d4f3  7... b8d7  8. a2a4  8... d8c7 Preventing the development of the bishop on c4. 9. g2g4 [%c_effect g4;square;g4;type;Interesting;persistent;true] A fresh idea, played only once before, but by a renowned theoretician. 9... d6d5 [%c_effect d5;square;d5;type;GreatFind;persistent;true] A novelty that was played quickly by Vitiugov, who was prepared. I'd like to know how top GMs manage to remember so much. 10. g4g5  10... d5d4  11. g5f6 