Jun 20

Problema 521

Mate en 2

Subotic, Miroslav
1987
Hlas Ludu 1987

Jun 13

Problema 520

Mate en 2

Zyrulik, Stepan Pavlovich
1989
Lesnoe chosjaistwo

Jun 06

Problema 519

Mate en 2

Speckmann, Werner
1963
Revue FIDE

May 30

Problema 518

Mate en 2

Pauly, Wolfgang
1913
British Chess Magazine

May 23

Problema 517

Mate en 2

Marandjuk, Michail Nasarowitsc
1997
Mem. V. Kukyanov Kotovski visti 1.Prix