[Retros] Roberto Osorio 55 JT

[Joost de Heer]

Definition:

Connection between different aged twins: Two identical pieces of 
different age (original and promoted, or two promoted) stand on 
neighbouring squares, which can be reached by both (orthogonal and 
diagonal, except in the bishop case where it's only diagonal).

Roberto Osorio 55th birthday tourney

THEME: Connection between different aged twins. The theme may be 
displayed anywhere on the board, and the diagram may contain promoted 
pieces. Multiple phases are allowed, and encouraged.
JUDGING: The problems are judged by their thematic content, originality 
and general quality. Thematic moves should be indicated with the solution.
FINAL DATE: 30-june-2009
JUDGE: Roberto Osorio
TOURNEY DIRECTOR: Jorge Lois
SUBMISSION: Send a mail to Jorge Lois (jorgejlois at yahoo.com); please 
indicate in the subject 'RO55JJ'.
AWARD: The award will be published at the same time in Die Schwalbe and 
Orbit.