1.Rxc6+
[1.bxc6?
h1Q-+
] 1...Kb4!
[main 1...Kxd3
2.Rc1
Rxb5
3.Rd1+!
Kc2!
(3...Kc3
4.Rc8++-
) 4.Rh1
Ra5+
(4...Rh5
5.Rc8+
Kd3
6.Rc7
Rxf6
7.d7+-
) 5.Kb8
Rb5+
6.Kc8
Ra5
7.Rxh2+
Kc3!
(7...Kd3
8.Rb2
Ra8+
9.Rb8+-
) 8.d7!
(8.Rh3+
Kc4
9.Rh4+
Kc3
10.d7
Ra8+
11.Kc7
loss of time) 8...Ra8+
9.Kc7
Rxh8
10.Rh6
Kd4
11.Kd6
Ke4
12.Ke6+-
] 2.Rhc8!
[2.Rc1?
Ra3+
3.Kb8
Raa7!
(not 3...Ka5?
4.Rhc8
Rxh7
5.Rh1
Rxd3
6.Rc6
Kxb5
7.Rc2+-
) 4.b6
(4.Rb1+
Ka5
5.b6
Rfb7+
6.Kc8
Rxb6=
) 4...Rfb7+
5.Kc8
Rxb6
6.d7
Rc6+!
7.Rxc6
(7.Kb8
Rxd7=
) 7...h1Q
8.d8N=
; 2.Rd8?
Rxh7
3.Rc1
Ra3+
4.Kb8
Kxb5
5.d7
Rb3
6.Ka8
(6.Kc7
Rc3+!
7.Rxc3
h1Q
8.Rc2
Kb4
9.Kd6
Rh5
10.Rb8+
Ka3
11.Rc3+
Ka2
12.d8Q
Qd5+
13.Kc7
Rh7+
14.Kb6
Rb7+
15.Rxb7
Qxd8+
16.Kb5
Qxf6=
) 6...Ra3+
7.Kb7
Rxd3
8.Rb8
h1Q+
9.Rxh1
Rhxd7+
10.Kc8+
Kc6
11.Rc1+
Kd6
12.Rb6+
Ke5
13.Rc5+
R7d5
14.Rxd5+
Kxd5
15.Kd7
Kc5+
16.Kc7
Ra3
17.Rc6+
Kd5
18.Rd6+
Ke5=
] 2...Rxh7
[2...Ra3+
3.Kb8
Rxh7
4.Rc1
Kxb5
(4...Rxd3
5.Rb1+
Ka4
6.Rc2
Ka3
7.Rc6
Rh8+
8.Kc7
Rh7+
9.Kd8+-
; 4...Ka5
5.Rh1
Rxd3
6.Rc6
Kxb5
7.Rc2
Rh8+
8.Kc7
Rh7+
9.Kc8+-
) 5.Rb1+
Ka6
6.Rc6+
Ka5
7.Kc8
Rb3
8.Ra1++-
] 3.Rc1
Rxd3
[3...Ra3+
4.Kb8
Kxb5
5.f7
Rxf7
6.Rb1+
Ka4
7.Rc4+
Ka5
8.Rc5+
(or also 8.Kc8
h1Q
9.Rxh1
Rxd3
10.Ra1+
Kb5
11.Rc2
Kb4
12.Rc7
Rf8+
13.Kd7+-
) 8...Ka4
9.Rh5
Rd7
(9...Rxd3
10.Rxh2+-
) 10.Rb6
Rxd3
11.Rxh2
Ka5
12.Rb1
Rd4
13.Ra2++-
] 4.b6
Rxd6
5.b7
Ra6+
6.Kb8
Rxf6
[6...Rb6
7.f7
Rxf7
8.R8c7
Rf8+
9.Ka7+-
] 7.Ka7
Rff7!
8.Rb1+
Ka5
9.Ra8!
Rf6
[or also 9...Rxb7+
10.Rxb7
h1Q
11.Kb8#
] 10.Kb8+
Ra6
11.Ra1+
Kb5
12.R8xa6
h1Q
13.Rxh1+- .