1.h6!

[1.b6? Rxh5! 2.b7 Rh8=]

1...gxh6

[1...Rd5 2.c7 Bb7 3.Rc6++-]

2.b6 Rd5

[2...Bxc6 3.Rxc6+ Kd7 4.b7! Kxc6 5.b8Q+-]

3.b7 Rd8!

[3...Bxb7 4.cxb7 Rd8 5.Rc8+-;

3...Rxd4+ 4.Kb3/Ka3 Rd8 5.c7+-]

4.d5+!

[4.c7? Rxd4+!]

4...Ke7!

[4...Kxd5 5.c7+-;

4...Kd6 5.c7+-]

5.d6+!

[5.c7? Bxb7=]

5...Kxd6 6.c7+-