May 18th

Carl Eckhardt (18-05-1894 - 12-12-1954) German composer

Carl Eckhardt [Kartothek A-K page 80]

Since we do not have much information about Carl Eckhardt, except his card on page 80 of the Kartothek A-K let his problems evoke him.
First, a logical moremover:

Eckhardt, Carl
Die Schwalbe, Aug 1951

#5

7 + 6

Show Solution

1.Rc8? (2.Rc4+ Kxd5 3.Sc3,Sb6#) but 1...Rc1!
1.Rb8! (2.Rb4#) Be1 2.Rc8 (3.Rc4+ Kxd5 4.Sb6#)

2...Rg8 3.Rxg8 (4.Rg4#)
         3...Bg3 4.Rg4+ Bf4 5.Rxf4#
         3...b1=Q 4.Rg4+ Qe4 5.Rgxe4,Rexe4#

Secondary variation: 2...Ba5 3.Rc4+ Kxd5 4.Rc3+,Rc5+
Hamburg theme.

Secondly, a selfmate with interesting pin play: