1.Rf4!
[1.axb3+?
Bxb3
2.Rf4
(2.Rf1
Bc2
3.Rf3
Nb6
4.Nxd3
Nd7+
5.Kd5
Bxd3
6.Rxd3
Rg6-+
) 2...d2
3.Nc6+
Bc4
4.Rxc4+
Kb3
5.Nd4+
Ka2!
(5...Kxb2?
6.Rc2+=
) 6.Ra4+
Kb1
(6...Kxb2?
7.Rb4+
Kc1
8.Nb3+
Kc2
9.Nxd2
Kxd2
10.Rb8!
Rh1
11.Ra8
Ra1
12.g5
Ne7
13.g6=
) ] 1...bxa2
2.Nxa2+
Kb3
3.Nc1+!
[3.Nb4?
Nb6
4.Nxd3
Bc4
5.Ne5
(5.Nf2
Nd7+
6.Kd4
Rd6+
7.Ke3
Rd5-+
) 5...Na4+
6.Kd4
Rd6+
7.Ke4
Nc5+
8.Kf3
Be6
9.g5
Rd5
10.Nc6
Kxb2-+
] 3...Kxb2
[3...Kc2
4.Nxd3
Kxd3
5.Rd4+
Ke3
6.Rxd5
Rb6
(6...Kf4
7.Rd4+
Kg5
8.Rd8
Ne7
9.Rd6=
) 7.Rd1!
Rxb2
8.g5
Rb5+
9.Kc6
Ne7+
10.Kd6
Nf5+
11.Kc7
Nd4
12.Ra1
a5
13.g6
Rg5
14.Ra3+
Kf4
15.Kb6=
] 4.Nxd3+
Kc3!
[4...Kb3
5.Kxd5=
] 5.g5!
[5.Kxd5?
Kxd3
6.Rf3+
Kc2
7.g5
Rg6
8.Rg3
(8.Kd4
Ne7
9.Rc3+
Kb2
10.Rc5
Kb3
11.Ke4
Kb4
12.Rc7
Re6+
13.Kd3
a5-+
) 8...Nd6
9.Rg1
Kb3
10.Rb1+
Ka4-+
] 5...Rg6!
[5...Rh5
6.Kxd5
Rxg5+
7.Ke4=
] 6.Ne5!
[6.Kxd5?
Kxd3
7.Rf3+
Ke2
8.Rg3
Nd6
9.Ra3
(9.Rg1
Nf7-+
) 9...Nf7
10.Ra2+
Ke3
11.Ra3+
Kf4-+
] 6...Rxg5
[6...Rd6
7.Rd4
Bg8
8.Rxd6
Nxd6
9.Kxd6
a5
10.Nc6
a4
11.Kc5
a3
12.Nb4=
] 7.Rf3+!!
Bxf3
model mirror stalemate with the night pin! The study is based on incorrect version of same author (Szachy, 1983).