1.a3+
Ka4
[1...Kc4
2.e6
Nxd4
3.e7+-
] 2.e6
Nxd4
3.e7
Nc6!
4.e8R!
[4.e8Q?
stalemate] 4...Ne5
5.Rc8!
[Thematic Try : 5.Rg8?
Nc4+
6.Kc5
Nxb2
7.Rg1
Nd3+
8.Kc4
Nf4!=
(Not 8...Nf2?
9.Kc3
Ne4+
10.Kb2
Nf2
11.Rf1
Nd3+
12.Kc3
Nc5
13.Rf5
Ne4+
14.Kb2+-
) ] 5...Nd7+
6.Kc6!
[Try : 6.Ka7?
Nc5
7.Rd8
(7.Rxc5
Stalemate) 7...Kb5!
8.Rd6
Na4!=
(Not 8...a4?
9.Rd4
Kc6
10.Kb8
Kb6
11.Kc8+-
) ] 6...Nb6
7.Rf8!!
[7.Rh8?
Nc4
8.Kc5
Nxb2
9.Rh1
Nd3+!
10.Kc4
Nf2!
(Not 10...Ne5+?
11.Kc3
Nd7
12.Kb2
Nc5
13.Rh4+
Kb5
14.Kc3+-
) ] 7...Nc4
8.Kc5
(Rf1) 8...Nxb2
9.Rf1
Kxa3
[9...Nd3+
10.Kd4+-
] 10.Ra1#