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Solution
1.Rx5d
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if 2.Gx5d, 3.S*6c
1.Rx5d
if 2.Gx5d, 3.S*6c
1.P*6d
if 2.Sx6d, 3.B*5d
1.B9e
if 2.R9c, 3.Px7d
1.Rx3d
if 2.Gx3d, 3.B*7a 4.R5b 5.Sx6c+
1.P2c+
if 2.Rx2c, 3.B*4a. if 2.Gx2c, 3.B*3b
1.Sx3d
if 2.Gx3d, 3.Rx5c+
1.N4e
if 2.Px4e, 3.Bx3c+ 4.Nx3c 5.Rx3e
1.R*6i(R*7i)
Black will win material.
1.P*8e
there’s no way to save the Rook on 8f for White.
1.N4e
if 2.Px4e, 3.P6c+ 4.Gx6c 5.B*7b