Umnov move

1. In a helpmate a piece of any color moves to a square left by another piece.
2. A piece moves to a square left by a piece of the opposite color, which loses control of that square.

Umnov theme

A piece moves to a square vacated by a piece of the opposite color that maintains control of that square.

Umnov mate

A piece mates on a square left by a piece of the opposite color.

Umnov deferred

A move to a square that was abandoned at least two moves earlier by a piece of the opposite color.

Tura, Waldemar
Szachista, 1995-96
1st-2nd Prize
FIDE Album 1995-97

selfmate in 3 moves

Barulin 1 theme

Dual avoidance by pinning white pieces.

Barulin 2 theme

Dual avoidance by unpinning black pieces.

Wróbel, Marian
Berner Tagwacht, 1947
2nd Prize
FIDE Album 1945-55

mate in 2 moves

Loshinsky theme

Like-moving black and white pieces stand next to each other in direction of their movement. The former moves away along their common line the latter follows it by moving to the adjacent square.

Retter, Yosi
144 T.T. Probleemblad, 1982
2nd honourable mention
FIDE Album 1980-82

mate in 2 moves