1. e2e4  1... e7e6 Yesterday it was the London System and today it's the French Defense, which was missing for a long time in world championship matches. Did Ding Liren finally show the best opening repertoire for chess players of all levels $2 2. d2d4  2... d7d5  3. b1d2 Nepomniachtchi decides not to test his opponent in the most critical lines, instead aiming for a small and safe advantage. 3... c7c5 Definitely Black's best move in this position. 4. g1f3  4... c5d4  5. f3d4  5... g8f6  6. e4d5  6... f6d5  7. d2f3  7... f8e7  8. f1c4  8... b8c6 This is a new move in this position, although there will be a move transposition later on. In any case, the position becomes unfamiliar very soon, something of a trend in this match. Although Black now gets three \"pawn islands,\" he gets the b-file and good piece development in return. The usually bad French bishop now can be developed on b7. 9. d4c6  9... b7c6  10. e1g1  10... e8g8  11. d1e2  11... c8b7  12. c4d3 This sensible move, preparing the typical queen and bishop battery, is a novelty. 12... d8c7  13. e2e4 This is the idea. Black has to either allow the queen to h4 or give the h6-square to the bishop. 13... d5f6 