Puzzle 109897:
Puzzle 109897:
Jose Luis Guerra Osio - Marc Santo-Roman (2205)
19th World U20 ch Dortmund GER (6), 1980 Guerra Osio - Santo-Roman, Dortmund 1980
19th World U20 ch Dortmund GER (6), 1980 Guerra Osio - Santo-Roman, Dortmund 1980