1...Bf1-h3 {/g2/d3} 2.Bh7-d3 # 1...d7-d5 2.Qa8*a4 #
1.c3*d4 ? threat: 2.d4-d5 # 1...Bf1-g2 {/d3} 2.Bh7-d3 # 1...e6-e5 2.d4*e5 # 1...d7-d5 2.Qa8*a4 # but 1...c5*d4 !
1.Bh7-e4 ! threat: 2.Qa8*a4 # 1...Sd4*c2 2.Be4*c2 # 1...Sd4-f3 + 2.Be4*f3 # 1...Sd4-f5 + 2.Be4*f5 # 1...Sd4-c6 2.Be4*c6 #