Both players achieved a reversed version of the Benoni/Benko gambit with equal pawns which looks quite OK for  Black.
1. g1f3  1... g8f6  2. g2g3  2... g7g6  3. b2b3  3... d7d5  4. c1b2  4... c7c5  5. f1g2  5... f8g7  6. c2c4  6... d5d4  7. b3b4  7... e8g8  8. b4c5  8... f6e4  9. e1g1  9... e4c5  10. d2d3 