1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. b1c3  3... f8b4  4. c1d2 This is considered to be one of the  most harmless continuations against the Nimzo-Indian, but it was used in  the past by Alekhine. 4... e8g8  5. g1f3  5... c7c5  6. a2a3  6... b4c3  7. d2c3  7... f6e4  8. a1c1  8... b7b6  9. g2g3  9... c8b7 