Black's replies here4…Bh4+4…Nf64…d6
Black's replies here5…Nf65…d65…Nh65…g55…Be75…d55…c65…Nc65…Bg5
Black's replies here6…Nxe46…O-O6…d5
Black's replies here6…Nf66…Bg46…Bg56…Be66…g5
Black's replies here6…g56…Ng46…O-O6…Bg5
Black's replies here6…Nf66…d66…g56…c6
Black's replies here6…Nf66…c66…Bg4
No fork here: one prepared move