Solving competition
White to move and mate in 2.
V. Chepizhny, 1968
Correct solution of the puzzle from 2.3. (V. Chepizhny, 1968) is 1.Nd3! The winner is Samuele A. Mazzola.
Correct solution of the puzzle from 1.3. (O. Wirzburg, 1917) is 1.Be8! The winner is Zhening Hu.