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a) diagram b) Move wSg2 to f5 c) Move wSg2 to g7 d) Move wSg2 to c4
For some wholly unaccountable reason, I am feeling in a generous mood this week, so here are
four problems in one! The diagram is a helpmate in 3, but there are also three other twins.
After you have solved the diagram, transfer the white knight to f5, and it is again helpmate
in three, and likewise with the WS starting on g7 and c4. Experienced solvers will probably
guess the theme already, but I will tell the rest of you that there is an obvious thematic
link between the four solutions. As always, don't forget that Black moves first in a
As I said above, an experienced solver will get the idea instantly – looking at the
black pawn on a2 and the fact that we are looking for four solutions. They are: