1.Bd5? Rf5 2.Ke7 Rf1=

1.Be4! Rd1

2.Bc6!
2.Ke7? Kf1!=

2...Rf1 3.Ke7 Rf5 4.Be4!
4.Ke6? Rf8 5.Ke5 Kf1 6.Bb5+ Kg1 7.Ke4 Rf4+ 8.Kxf4= stalemate

4...Rf1 5.Rd2 Rf4
or 5...Re1 6.Bxe1 similar to main line 6...Kf1 7.Bg3 g1N 8.Bxh1 Nh3 9.Bg2+ Kg1 10.Bxh3 h1Q 11.Rd1#

6.Bxf4 Kf1 7.Bg3!
7.Bd3+? Ke1 8.Re2+ Kd1!

7...g1N 8.Bxh1 Nh3 9.Bg2+ Kg1 10.Bxh3 h1Q 11.Rd1#