Solution
1.+B3a 2.Sx3a 3.N*3c
1.+B3a 2.Sx3a 3.N*3c
1.B*4e
1.B4e threatens Bx6c+ and Bx2c+
1.G6h
the Promoted Bishop is trapped.
1.+R2b 2.Kx2b 3.G*2c 4.K2a 5.P*2b 6.K3a 7.G3b
1.B1c+ 2.Kx1c 3.R*1d
1.P*7c
if 2.Sx7c, 3.Rx8c+. if 2.Nx7c, 3.P*7d
1.Bx5c+
if 2.G5b-x5c, 3.S*2e
1.B3a+
1.B1b+ 2.Lx1b 3.P*2b 4.K1a 5.+R3a
1.B*3e