1. e2e4  1... c7c5  2. g1f3  2... d7d6  3. d2d4  3... c5d4  4. f3d4  4... g8f6  5. b1c3  5... a7a6  6. c1e3  6... e7e5  7. d4b3  7... c8e6  8. d1d2  8... f8e7  9. f2f3  9... h7h5 The modern treatment of the position, widely  popularised by Topalov and Cheparinov. 10. f1e2  10... b8d7 