Zimmer, 2000
White to move and checkmate in 8!
kb1N4/p2K4/8/8/1N6/8/8/8 w – – 0 1
Chess Daily News from Susan Polgar
Checkmate in 8!
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Zimmer, 2000
White to move and checkmate in 8!
kb1N4/p2K4/8/8/1N6/8/8/8 w – – 0 1
1.Na6 Bc7
if 1…Bf4 2.Kc8 Be5 3.Ne6
2.Nxc7+ Kb8 3.Na6+ Ka8 4.Nc5 a6 5.Nc6 a5 6.Kc7 a4 7.Nd7 a3 8.Nb6 mate
There are other solutions with the same idea (always 8 moves)
1.Na6 Bc7
2.Kc8 Bb8
3.Ne6 Bd6
4.Nc7+ Bxc7
5.Nxc7#
My answer was wrong.
1.Na6 Bc7
2.Kc8?? Bxd8
1.Na6 Bc7
2.Nxc7+ Kb8
3.Na6+ Ka8
4.Nb4 a6(or a5)
5.Nc6 a5
6.Kc8 a4
7.Ne6 a3
8.Nc7#
4…Kb8
5.Nc6+ Ka8
6.Kc8 a6
7.Ne6 a5
8.Nc7#