1. d2d4  1... d7d5  2. g1f3  2... g8f6  3. e2e3  3... c7c5  4. d4c5 [%c_effect c5;square;c5;type;Interesting;persistent;true] By now we are used to queen's pawn sidelines in world championship matches. Both Ding and Ju showed that this is just as viable a path as fighting for advantage in the main lines. 4... e7e6  5. b2b4  5... a7a5  6. c2c3  6... a5b4  7. c3b4  7... b7b6  8. f1b5  8... c8d7  9. b5d7  9... b8d7  10. a2a4  10... b6c5  11. b4b5 I have a great friend (and a strong amateur chess player) who has always been a devoted fan of the Noteboom Variation. He felt invincible with these passed pawns. I wonder how he feels now that Ju is showing the world that it's possible to play the line with White, with an extra tempo. I also have a good friend, GM Gilberto Milos, who loves playing with central pawns: he is probably not very impressed with White's play. 11... d8c7 A rare move that has been played in correspondence games, but the game will transpose to a more common position later. Black has various tries here: 12. c1b2  12... f8d6  13. e1g1 