Black promotion defences to all possible pieces are answered by the same white promotions.
Kramer, Wilhelm
Babson Task Tourney 1929
1st Prize
selfmate in 3 moves
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Blog about chess problems
Black promotion defences to all possible pieces are answered by the same white promotions.
Kramer, Wilhelm
Babson Task Tourney 1929
1st Prize
selfmate in 3 moves