Problem n°1 : Feast , 1897

White plays.Mate in 2.

Solution :

How to control the e4 square so that the King cannot escape ?

1.Qa2 ! (threatens Re3#)

If Bishop plays , 2.Re3#

If 1…Ke4+ , 2.Rf3#

If …Ke6+ , 2.Rb7#

If …Kc4+ , 2.Rf3#

If …d3 , 2.Rb4#

If …e4 , 2.Rb5#

If …f4 , 2.Re3#

In all ways the Rook gives mate from 5 different squares.