Solution
1.N*2e 2.Sx2e 3.+B2c
1.N*2e 2.Sx2e 3.+B2c
B2c+
B2c+ threatens G*1b
R3a+
R3a+ threatens G*2b
1.R1c+ 2.K2a 3.+R1a 4.Kx1a 5.B2c+ 6.K2a 7.L1b+
1.S*2d 2.Sx2d 3.B2b+
S*3a
S*3a threatens G*2b
P*2c
P*2c threatens G*2b
1.R3b+ 2.G*2b 3.G*1a
1.B1b+ 2.Kx1b 3.N2c+ 4.K1a 5.+Bx3c 6.Sx3c 7.S*1b
R3b+
R3b+ threatens S*1b