Babiarz, Andrzej
Polish Chess Federation, 2017
Commendation
draw
Arnhem theme
Arnhem theme
White has two thematic tries. Two thematic black defences alternatively either defeat the try or are
met in either try with the same mate.
Scheme:
1.X? a 2.A, 1…b!
1.Y? b 2.A, 1…a!
cyclic Arnhem theme
White has three thematic tries. Three thematic black defences alternatively either defeat the try or are met in with the same mate.
Scheme:
1.X? a 2.A, 1…b!
1.Y? b 2.A, 1…c!
1.Z? c 2.A, 1…a!
Iwanow, Eugeniusz
H.Mattison-75 MT, Shakhmaty (Riga), 1970-71
1st Prize
FIDE Album 1068-70
selfmate in 2 moves
Minski Martin – Murdzia Piotr – Polish Chess Federation – 2017 – studies
option
Lehmann Tadeusz – Gravure – 2019 – helpmates
reversal
reversal (Salazar)
Reciprocal change of the first and mating moves after the same defence in two phases.
Scheme:
1.A 1…a 2.B
1.B 1…a 2.A
threat-reversal
Reciprocal change of the first move and the threat in two phases.
Scheme:
1.A ~ 2.B
1.B ~ 2.A
Mlynka, Karol
Sachsische Zeitung, 1983
mate in 2 moves
Jasik Andrzej – Československý šach – 2020 – studies
Bartolovic theme
Bartolovic theme
In one phase, there are two mates after black’s two thematic defenses. In the next two phases, one of these mates is changed and the other remains the same.
Scheme:
1.X a 2.A, 1…b 2.B
1.Y a 2.C, 1…b 2.B
1.Z a 2.A, 1…b 2.D
Klemanic, Emil; Sovik, Stefan; Gvozdjak, Peter
8th WCCT, 2007-08
4th Place
FIDE Album 2007-09
mate in 2 moves