Lu is opening a square for his light-squared bishop.
1. c2c4  1... g8f6  2. g2g3  2... e7e6  3. f1g2  3... d7d5  4. g1f3  4... d5d4  5. d2d3  5... b8c6  6. e1g1  6... f8e7 The most popular continuation, although 6...Bc5 is gaining popularity lately. 7. e2e3  7... e6e5  8. e3d4  8... e5d4 That's not exactly a reversed Benoni, but rather a reversed Pirc, with a couple of extra tempi for White. Stil, the ideas are similar to the Benoni and the battle around the d4-pawn are crucial for the opening outcome. 9. b1a3  9... e8g8  10. a3c2 