4.exd5 Ad6 5.Cc3 Ce7 6.d4 c6 7.Ac4

                                            7.dxc6 Cbxc6 8.Ac4 0-0 9.0-0 Ag4 10.Ce4 Ac7

                                                              8.d5

            4...Dxd5 5.Cc3 De6+

                                Dd8

            4...Cf6 5.c4 c6 6.d4 Ab4 7.Cc3 cxd5 8.Axf4 0-0 9.Ad3

                      5.Cc3 Cxd5 6.Cxd5 Dxd5 7.d4 Ae7

                      5.Ac4 Ad6

                               Cxd5

                      5.Ab5 c6 6.dxc6 bxc6 7.Ae2

                                                    7.Ac4 Ad6

                                            Cxc6 7.Cc3

                                                    7.Axc6+ bxc6

                                                    7.Ce5

                                                    7.d4 Da5 8.Cc3

                                                           Ad6 8.0-0 0-0 9.Cbd2

                                                                 8.De2 Ae6 9.Cg5 0-0 10.Cxe6 fxe6 11.Axc6 bxc6