1.Rc8!
Not quite expected move, since control is removed from the g2 and Black attacks white king. 1...Qg2+!
[1...Qf3+
2.Ka7
Rxg5
3.Bg6
Rxg6
4.h7
Rh6
5.Ra6+
d6
6.Rxd6++-
] 2.Ka7!
It's not easy to choose a place for a wK 2...Qxg5
3.Bg6!
Qxg6
[3...Rh1
4.Ra6+
d6
5.Rxd6+
Kxe5
6.Rc5++-
; 3...Qxh6
4.Ra6+
Kxe5
5.Re8++-
] 4.Ra6+
and Black is forced to throw the pawn d7 4...d6
5.Rxd6+
Now White forced Black to take pawn e5 5...Kf5!
6.Rf6+!!
[Thematic try 6.Rxg6?
and here is "Study in study"-BTM, draw: 6...Rxg6
.Rf8+
Kxe5
8.Rh8
Rf6!
(Thematic try by black: 8...Re6?
9.h7
Re7+
10.Ka8!!
Ke4
11.Kb8
Ke5
12.Kc8
Ke6
13.e4
Ke5
14.Kd8
Kd6
15.e5+
Ke6
16.Re8+-
) 9.h7
Rf7+
10.Kb6
Re7
11.Kc6
Ke6
12.Kc5
Ke5
13.e4
Rc7+
14.Kb6
Re7
15.Kc5
Rc7+
positional draw] 6...Kxe5
[6...Kg5
7.Rxg6+
Kxg6
8.Rg8++-
] 7.Rxg6
Rxg6
8.Rc5+
Ke4
9.Rh5+-