May 3rd

Carl Erik Israel Lind (03-05-1907 - 01-03-1989) Swedish composer

Carl Erik Israel Lind Problem, September 1969 [Thanks to Александр Никитин ]

Carl Erik Israel Lind mostly composed helpmates and help retractors.

A good starter to warm up:

Lind, Carl Erik Israel
Svenska Problemschackklubben 2^nd TT, 1938
Prize

h#2

2 solutions

2 + 5

Show Solution

1.Sc8 dxc8=Q 2.b1=B Qc5#
1.b1=R d8=S 2.Rb5 Sc6#
Allumwandlung.

Something more challenging:

Lind, Carl Erik Israel
1.pl Sverige-Israel, 1986

h#2

b) wSd1->a5 c)=b) + wPe2->c2 d)=c) + wPb3->a3

6 + 10

Show Solution

a) 1.Bd3-e4 Sd1xe3 2.Sg4-e5 Se3-c2#
b) 1.Re3-e4 Sa5-c4 2.Sg4-f2 e2-e3#
c) 1.Qd5-e4 c2-c4 2.Sg4-f6 Sa5-c6#
d) 1.Sc5-e4 a3xb4 2.Sg4-e5 c2-c3#
Four unpins on e4 of the bSg4 and four pin mates. Nice dual avoidance.

April 1st

Віталій Іванович Шевченко (01-04-1939 - 07-04-2022) Ukrainian composer (Vitaly Ivanovich Shevchenko)

Vitaly Shevchenko was a journalist who mostly composed moremovers in collaboration with other Ukrainian composers but had lately a preference for helpmates, such as he displayed on his website [broken link]. You may find an example of a successful joint helpmate below.
Vitaly Shevchenko was also the editor of two chess problem magazines "Козацька Шахівниця" (Kozatska Shakhivnitsya) and "Приазовський Літопис" (Priazovsky Litopis).
He wrote many books and was the author of over 800 problems.

Колесник, Микола Іванович & Шевченко, Віталій Іванович
ЮК М.Гершинский-70, 2006
1^st Prize

h#3

b) wSg3->g8

6 + 9

Show Solution

a) 1. Qxc3 Sxb1 2. Qxb4 Sc3 3. Kc5 Sge4#
b) 1. Sxa3 Bxd2 2. Sxb5 Bf4 3. Kc6 Se7#

Reciprocal captures.