Black has stabilized the center. If he manages to castle, his queenside majority will become a long-term asset. But since White has a temporary development advantage...
1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. g2g3  3... d7d5  4. f1g2  4... d5c4  5. g1f3  5... c7c5  6. e1g1  6... b8c6  7. d1a4  7... c8d7  8. a4c4  8... b7b5  9. c4d3  9... c5c4  10. d3d1  10... a8c8  11. c1f4 Arjun is full of original ideas, but today it is his opponent to demonstrate one. This move is currently scoring better than 11.Re1. 11... f8e7 The main line. 12. b1c3  12... a7a6  13. a2a3  13... c6a5  14. d1c2  14... f6d5 [%c_effect d5;square;d5;type;Interesting;persistent;true] Santos is the first one to deviate from the trodden path. 15. c3d5 