Shogi School
矢倉
1.L*1i
1.L*1i threatens R1a+
1.P9e
if 2.Px9e, 3.P+9b 4.Lx9b 5.P*9c
1.P*7b
if 2.B5c, 3.N4e
1.P*3d
if White plays 2.Sx3d(Gx3d), Black will play 3.P*3e