Mate en 2
Joseph William Abbot
1876
British Chess Problems
Joseph William Abbot
1876
British Chess Problems
Piotr Ruszczynski
1971
1. n. Konkurs PZSzach
Matjaz Zigman
1972
1. p. Novi Temi
Grigorij Gamza
1982
Revista Romana de Sah 1982
Samuel Tyrrell
1876
British Chess Problems