H#2 (5+10) C+
2.1.1.1
Ricardo Vieira Jorge Lois Jorge Kapros
12th WARSAW SOLVING GRAND PRIX 2013
1st Premio
1.S:g6 Se4+ 2.Se5 Td2! (Td3?) #
1.S:f6 Se5 2.Se4 Td3! (Td2?) #
Theme and comment:
Theme required : a black piece opens a black line in a fase and opens a white line in other fase.
1.S:g6 Se4+ (F+G) 2.Se5 (A+D) Td2! (Td3?) #
1.S:f6 Se5 (E+H) 2.Se4 (B+C) Td3! (Td2?) #
Theme + Anti-Theme + Theme by White + Anti-Theme by White
Theme: required Anti-Theme:
A – a black piece opens a black line C – a black piece closes a black line
B – a black piece opens a white line D – a black piece closes a white line
Theme by White: Anti-Theme by White:
E – a white piece opens a black line G – a white piece closes a black line
F – a white piece opens a white line H – a white piece closes a white line