1.b6!
Bd5+
[1...cxb6
2.Rxb6
Bd5+
3.Kh2
see main line] 2.Kh2!
cxb6
3.Rxb6
Nd3
[2nd main line: 3...Nc4
4.Rh6!
(4.Rf6?
Ne3!
5.Ra6
Ke7!
6.Kg3
Bc4
7.Rc6
Kd7
8.Rb6
Nd5-+
) 4...Ke7
5.Kg3
Be6
6.Kf4
Nd6
7.Rh5!
Kf6
8.Rh6+
Ke7
9.Rh5
positional draw 9...Bd7
10.Kg5
Ne4+
11.Kf4
Nd6
12.Kg5
positional draw 12...Nf7+
13.Kg6
Nd6
14.Kg5=
positional draw.] 4.Rf6!
[4.Rd6?
Thematic try: 4...Be4
5.Kg3
Kf7!
zz (5...Ke7?
6.Rb6!
zz 6...f4+
7.Kg4
f3
8.Kg3
f2
9.Rb1=
) 6.Rh6
f4+
7.Kg4
f3
8.Kg3
f2-+
; 4.Kg3?
Kf7
5.Kh4
Be6
6.Kg5
Nc5
7.Rb8
Ne4+
] 4...Be4
5.Kg3
Kd7!
[5...Ke7
6.Rb6
zz] 6.Rh6!
[6.Rb6?
Ke7!
zz] 6...Ke7
[6...Bd5
7.Kh4
Ke7
8.Rb6
Be6
9.Kg5
f4
10.Rb1
f3
11.Rf1
f2
12.Kh4=
] 7.Rb6!
zz 7...Kf7
8.Rd6!
[8.Rh6?
f4+
9.Kg4
f3
10.Kg3
f2-+
; 8.Ra6?
Nc5
9.Rh6
Ne6-+
] 8...Ke7
9.Rb6
zz 9...Bd5
[9...f4+
10.Kg4
f3
11.Kg3
f2
12.Rb1=
] 10.Kh4!
f4
11.Kg4
Be6+
12.Kf3
Bd5+
13.Kg4
Bc4
14.Kf3
Bd5+
15.Kg4
positional draw.