Solución Problema 21
Problema de Samuel Isenegger
Mate en 2 - (1929)
1.Dc4 Txc4+ [ 1...Rxe5 2.d6#; 1...Cb6 2.Dc7#; 1...Axe5 2.Dc5#; 1...Cc6 2.dxc6#; 1...Th4 2.Cf7#; 1...exd5 2.Dxd5#] 2.Cxc4++ 1–0