1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. g1f3  3... d7d5  4. g2g3  4... d5c4 "Maybe I should study some  Catalans with ...dxc4." (Grischuk) 5. f1g2  5... a7a6  6. e1g1  6... b8c6  7. e2e3  7... a8b8  8. f3d2  8... e6e5  9. g2c6  9... b7c6  10. d4e5  10... f6g4  11. d2c4  11... c8e6 