[%c_effect d5;square;d5;type;GreatFind;persistent;true] Black has an excellent position after this move.
1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1b5  3... g8f6  4. d2d3  4... f8c5  5. e1g1  5... c6d4  6. f3d4  6... c5d4  7. b1d2  7... c7c6  8. b5c4 A rare move. 8.Ba4 is much more popular. 8... d7d6  9. c2c3  9... d4b6  10. c4b3  10... a7a5 A useful to move to gain space and keep the bishop on the g1-a7 diagonal. 11. d2c4  11... b6a7  12. c4e3 A novelty, but not an impressive one. Overall Gukesh's play in the opening doesn't bring any particular benefits. 12... e8g8  13. d1f3 