1. e2e4  1... c7c6  2. d2d4  2... d7d5  3. e4e5  3... c8f5  4. h2h4  4... h7h5  5. c2c4  5... e7e6  6. b1c3  6... g8e7  7. g1e2  7... b8d7  8. e2g3  8... f5g6  9. c1g5 This move came as a surprise for Black, who spent  almost an hour on his next four moves! 9... d8b6  10. a1c1 Another move  that caused deep thought by the Russian GM. 10... d5c4  11. f1c4 Firouzja plays quite the opposite way: he practically blitzes  his move.