Solution
1.P*3d
if White plays 2.Sx3d(Gx3d), Black will play 3.P*3e
1.P*3d
if White plays 2.Sx3d(Gx3d), Black will play 3.P*3e
1.B*9f
if White plays 2.B*9b, Black will play 3.P7e
1.B8b+ 2.Sx8b 3.N6b+
1.B1c+ 2.Gx1c 3.G*2b
1.B*6a
putting Bishop like 1.B*6a is a common tactic in Bishop Exchange.
1.B*6a threatens S*8c and Bx4c+ Gx4c Rx2c+
1.P*7d
if White plays 2.Gx7d, Black will play 3.B*6c
1.B*3b 2.K3a 3.S2b+ 4.Kx2b 5.R2c+ 6.K3a 7.+R2a
1.S1a+ 2.K1c 3.N*2e 4.K2d 5.B3c+
1.P4e
if 2.Sx4e, 3.P5c+
P*8d