Checkmate puzzles for intermediate players

Checkmate in 5

1.S2b+ 2.K1c 3.+S1b 4.Kx1b 5.B2b+

1.S*2c 2.K1c 3.N*2e 4.Sx2e 5.P*1d 6.Sx1d 7.S1b+

1.G*1c 2.K2a 3.R4a+ 4.+Bx4a 5.G*2b

1.S*2b 2.Sx2b 3.+Rx4a 4.Kx4a 5.G*4b

1.S*3a 2.K1b 3.N*2d 4.Px2d 5.B2a+ 6.Kx2a 7.L*2c 8.K1b 9.L2b+

1.N*1c 2.Lx1c 3.G*1b 4.Gx1b 5.G*3b 6.K1a 7.+Bx1b 8.Kx1b 9.G*2b

1.B*1c 2.Nx1c 3.G*2a 4.Kx2a 5.G*2b

1.Sx1a+ 2.Kx1a 3.L*1c 4.K2a 5.R1b+ 6.K3a 7.N*4c

1.S*2b 2.K1b 3.Sx1c+ 4.Kx1c 5.P*1d 6.K1b 7.R3b+

1.N2a+ 2.Sx2a 3.R1c+ 4.S1b 5.N*2c 6.K2a 7.N3c