Mishra reacts in the most principled way.
1. d2d4  1... d7d5  2. c2c4  2... c7c6  3. g1f3  3... g8f6  4. b1c3  4... e7e6  5. g2g3  5... d5c4  6. f1g2  6... b8d7  7. e1g1  7... b7b5  8. e2e4  8... c8b7  9. e4e5  9... f6d5  10. f3g5 One of the many aggressive attempts to gain more than positional compensation for the pawn in these lines.