Solution
1.R2b+
1.R2b+
1.+B1a
1.R4b+ 2.Nx3c 3.P*1b 4.K2a 5.N*1c
1.B1b+ 2.Kx1b 3.N*2d 4.K2a 5.+R2c 6.S2b 7.N1b+ 8.K3a 9.+Rx2b 10.K4a 11.S*5b
1.+B1a 2.Kx1a 3.P*1b 4.K2a 5.N*3c
1.S*1c 2.Sx1c 3.B*2a 4.Sx2a 5.G*2c
1.S*2c 2.Kx2c 3.G*3c 4.Gx3c 5.S*1b
1.B1c+ 2.Kx1c 3.+R1d
1.+R1c 2.Gx1c 3.G*2b
1.G*2a