For the time being, White does not want to  castle on the kingside. Instead, he intends to bring his rook out via the  h3-square.
1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1c4  3... f8c5  4. d2d3  4... g8f6  5. c1g5 A relatively rare  continuation. White usually waits for his opponent to either castle first  or block his dark-squared bishop with d7-d6. 5... c5e7 Karjakin kills  the pin at once. 6. b1c3  6... d7d6  7. a2a4 Saving the bishop from the positional threat Nc6-a5 with  a swap of the minor pieces. 7... e8g8  8. h2h3  8... c8e6 Black is obviously not  afraid to double his e-pawns. They cover all the important central  squares. On top of that, the f-file would be opened for the black rooks. 9. g5f6 Finally the bishop is traded as it is not quite useful on g5. 9... e7f6  10. c4e6  10... f7e6  11. c3e2 Antipov prepares an interesting  regrouping of his pieces. 11... d8d7  12. c2c3  12... f8f7 