Problem 214034:
Problem 214034:
Marcel Sisniega Campbell (2345) - Emmanuel Rayner
16th World U20 ch Innsbruck AUT (12), 1977 Sisniega Campbell - Rayner, Innsbruck 1977
16th World U20 ch Innsbruck AUT (12), 1977 Sisniega Campbell - Rayner, Innsbruck 1977