2...f5

  2...Df6

  2...Cc6 3.Cf3 d5

                      Cf6

                      f5 4.exf5

  2...Cf6 3.Cf3

            3.fxe5 Cxe4 4.Cf3 Cg5 5.d4 Cxf3 6.Dxf3 Dh4+ 7.Df2 Dxf2+ 8.Rxf2

                                       d5 5.d3 Cc5 6.d4 Ce4

  2...Dh4+ 3.g3 De7 4.Cc3

                              4.fxe5 d6 5.exd6 Dxe4+

  2...d6 3.Cf3 Cd7

                    Ag4 4.Ac4 Cf6

                    Cf6 4.Cc3 Ae7 5.Ac4

                                   Cbd7 5.Ac4

                                   Ag4 5.Re2

                                         5.Ac4

                                         5.h3 Axf3 6.Dxf3

                                   Cc6 5.Ac4

                                         5.Ab5

                   Cc6 4.Cc3 Ag4

                          4.Ab5 Ad7

                                   Cf6 5.Cc3 Ag4

                                                  Ad7 6.d3

                          4.Ac4 Ae6

                                   Ae7 5.0-0 Cf6 6.d3

                                   Ag4 5.c3 

                                         5.0-0

                                   Cf6 5.Cc3 Ae7

                                                  Ag4 6.h3

                                                        6.0-0