Solution
1.S2a 2.K2c 3.G3c 4.Kx3c 5.+B3b
1.S2a 2.K2c 3.G3c 4.Kx3c 5.+B3b
1.+R3c 2.Sx3c 3.G*2c

1.P*6b

if 2.Gx6b, 3.R7a+

1.N*5c

if 1.Sx5c, 2.Rx4c+
1.N*3d 2.Px3d 3.+R3c 4.Kx3c 5.G*3b
1.S*2c 2.Gx2c 3.+R3b 4.G2b 5.S2c+

1.P*2b

if 2.Bx2b, 3.Rx2d

1.Nx5c+

if 2.Kx5c, 3.B*3a
1.N*1e 2.Px1e 3.S*1b 4.K1c 5.L*1d 6.Kx1d 7.+B3b 8.K1c 9.+B2c
1.+B3b 2.K1c 3.G1b 4.Kx1b 5.+B2b