1. A double check always forces the opponent to move the king , since it is impossible to defend attacks from two directions in any other way .
2. A double check always forces the opponent to move the king , since it is impossible to defend attacks from two directions in another way .

yes

1. Sharon Northe has been the conductor of the group since 2003 , and Heather Weaver has been President since 2017 .
2. Sharon Northe has been Head of the Group since 2003 , and since 2017 Heather Weaver has been President .

yes

1. On 4 July 1968 , at Smith 's request , Harper resigned from the cabinet .
2. On 4 July 1968 , Smith resigned from the Cabinet at Harper 's request .
no