1.Bd7
Rxf6
[1...Rd6
2.Nd5!
Rxd7
3.Nb6++-
fork] 2.Nxc6
[2.Nd5?
Rd6=
] 2...Bg5
[main 2...Rf2
3.Nd4+
Kb4
4.Nc2+
Kc3
(4...Kc4
5.Bb5+
Kc3
6.Rc5#
) 5.Rc5+
Kd3
6.Bb5#
; 2...Rd6
3.Be8+-
<eg> 3...Re6
(3...Bg5
4.h4+-
) 4.Bf7+-
] 3.Ne7+!
[3.Nd4+?
Kb4=
] 3...Ka5
[3...Kb4
4.Nd5++-
fork] 4.h4
[4.Nf5?
Kb4
5.h4
Bd2
6.Ne7
Rd6=
] 4...Rf2+
5.Kb3
[5.Ka3?
Rh2=
] 5...Rh2
6.Nf5!
[6.Ng6?
e3
7.Bg4
e2=
] 6...Kb6
7.hxg5!!
[7.Kc3?
Bf4
8.Nd4
Bd2+=
; 7.Be8?
e3!
(7...Rh3+?
8.Kc4
e3
9.Kd3
Bf4
10.Bd7
Rh1
11.Nxe3
Bg5
12.Rxg5
hxg5
13.hxg5
Rh5
14.g6+-
) 8.hxg5
e2=
] 7...Rxh5
8.g6
Rg5
9.g7+-