Larsson theme

A helpmate twomover with identical final positions in set play and actual play with exchanged squares (or existence) of two pieces of the same kind and color.

Larsson, Bror

Schachmatt, Stockholms Problemschackklub TT, 1949

4th Prize

Example: Larsson theme
h#2*  (3+3)

1...Se3 2.cxb1=R Sc2#

1.cxd1=R Sa3 2.Rb1 Sc2#

View in Helpmate Analyzer

FEN: 8/8/8/8/8/2K5/p1p5/kN1N4

External links:

Moder, Janez

Partizan TT, 1958

1st HM

Example: Larsson theme
h#2*  (4+2)

1...Rb6 2.Bxg8 Rh6#

1.Bxb3 Rg6 2.Bg8 Rh6#

View in Helpmate Analyzer

FEN: 5BR1/7k/8/8/8/1RK5/b7/8

External links: