Chessproblem
A.G. Kuznetsov & B.A. Sacharov, 1958
Mate in 5 moves. White to begin.
To see the solution: drag the mouse from here....
Solution:
White cannot take the queen because of stalemate.
1. Rh1+!! Kxh1
1. ......, Qxh1? 2. Ng4#
2. Nxe4 Kh2 3. Nd2 Kh1 4. Nf1 h2
the only move.
Ng3#
to here.