Checkmate puzzles for intermediate players

Checkmate in 7

1.+R3b 2.Sx3b 3.B1c+ 4.Kx1c 5.B*3a 6.K1b 7.B2b+

1.G1b 2.Kx1b 3.P*1c 4.Kx1c 5.S*2b 6.K1b 7.L*1c

1.S*2c 2.Kx2c 3.B*1b 4.Kx1b 5.+R2a

1.R2a+ 2.Kx2a 3.S*3b 4.K1b 5.G2c

1.B1b+ 2.Kx1b 3.G*2c 4.K2a 5.+Bx1a 6.Kx1a 7.L*1b 8.K2a 9.N*3c

1.S*1c 2.Kx1c 3.B*3a 4.Rx3a 5.G*2c

1.N*4c 2.Gx4c 3.S*3b 4.Kx3b 5.N*4d 6.K4a 7.N*5c 8.Gx5c 9.G*4b

1.S*3b 2.Gx3b 3.N*4c 4.Gx4c 5.S*3b

1.+Rx1c 2.Kx1c 3.L*1d 4.Kx1d 5.G*2d

1.+B1c 2.Kx1c 3.B*3a 4.K1b 5.B2b+