1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. b1c3  3... f8b4 The Nimzo-Indian had always had solid  reputation. 4. d1c2  4... d7d5 But this is a surprise. So far Ju has always  played either: 5. a2a3  5... b4c3  6. c2c3  6... f6e4  7. c3c2  7... c7c5  8. d4c5  8... b8c6  9. g1f3  9... d8a5  10. c1d2  10... e4d2  11. c2d2  11... d5c4  12. d2a5  12... c6a5  13. e2e3 