1.b6
Rh7
[1...Rxh4
2.b7
Rh8
3.Kc5+-
] 2.Kc5
[Thematic try 2.a4?
Ke5!
(2...Kxe4?
3.Kc5
Rh5+
4.Kc4
main line) 3.Kc5
(3.Kb5
Kd6
4.e5+
Kd7=
) 3...Kxe4
4.a5
Rh5+!
5.Kb4
Kd5
6.b7
Rxh4+
7.Kb5
Rh1
8.Kb6
Rb1+
9.Kc7
Rc1+
10.Kd7
Rb1
11.Kc7
Rc1+
12.Kd7
Rb1
13.a6
Rb6
14.Kc7
Rc6+
15.Kd8
Rd6+
16.Ke8
Re6+
17.Kf8
Rf6+
18.Kg8
Rg6+
19.Kh8
Rh6+~~
positional draw] 2...Ke5!
[2...Kxe4
3.a4
zz main line] 3.a3!!
zz 3...Kxe4
4.a4
zz 4...Rh5+
5.Kc4!
Rxh4
6.a5
Rh1
[6...Ke5+
7.Kc5
Ra4
8.b7+-
] 7.a6
Rc1+
8.Kb4!
[8.Kb5?
Kd5
9.a7
Rb1+
10.Ka4
Ra1+
11.Kb5
Rb1+=
] 8...Rb1+
9.Kc5
Rc1+
10.Kd6
Ra1
11.a7
Kd4
12.Ke6!
[12.Kc6?
Kc4
13.Kd6
loss of time] 12...Ra6
13.Kf5
Kc5
14.b7
Rxa7
15.b8Q
with win.