1. c2c4  1... g8f6  2. b1c3  2... e7e6  3. e2e4  3... c7c5  4. e4e5  4... f6g8  5. g1f3  5... b8c6  6. d2d4  6... c5d4  7. f3d4 A  famous pawn sacrifice in the Flohr-Mikenas system. For the pawn White  collects the bishop pair and has the lead in the development. 7... c6e5  8. d4b5  8... a7a6  9. b5d6  9... f8d6  10. d1d6  10... f7f6  11. c1e3  11... g8e7  12. e3b6 