40...Rb1
Sealed move
41.Nc3
Re1+
42.Kd4
Kc6
43.b5+
Kb6
44.Kc4
Rg1
45.Nd5+
Ka5
46.Rf3
[46.Kc5
Rc1+
47.Rc4
Ra1
(47...Rxc4+
48.Kxc4
f4
49.gxf4
Be4
50.Nxf6
Bf3
51.Kc5
) 48.Ne7
f4
49.Nc6#
]
46...Rc1+
47.Rc3
Ra1
48.Kc5
f4
49.b6
[49.gxf4
]
49...Ka6
[49...fxg3
50.b7
g2
51.b8Q
g1Q+
52.Ne3
(52.Kc6
) ]
50.gxf4
[50.Nb4+
Kb7
51.Kb5
Be4
(51...fxg3
52.Rc7+
Ka8
53.b7+
Kb8
54.Kb6
g2
55.Nc6#
) 52.Rc7+
Ka8
53.gxf4
]
50...Ra5+
[50...Be4
51.Nxf6
(51.Nb4+
Kb7
52.Kb5
) 51...Bg2
]
51.Kc6
[51.Kd4
Ra4+
52.Rc4
; 51.Kd6
Be4
52.Nxf6
Bg2
53.Kc7
]
51...Be4
52.Rc5
Ra4
53.Kd6
[53.b7
Rb4
(53...Bxd5+
54.Rxd5
Rc4+
55.Rc5
Rb4
56.Rxh5
) 54.Kd6
Rb2
55.Nxf6
Rb6+
56.Ke7
Rxb7+
57.Kf8
Bg6
58.f5
Rb4
59.fxg6
fxg6
]
53...Bxd5
54.Kxd5
Rxf4
55.Kc6
Rb4
56.Rxh5
Rxb6+
1/2-1/2