
G. Fuhlendorf
Solution: 1.Ga6
Comments: Switchbacks by WG, WR in first line 

C. S. Kipping
Solution: 1.Bc1 Gf6 2.Ge6 Gd6 3.Gc6 Gb6 4.Ga6‡ Comments: Leapfrog 

K. Dittrich
Solution: 1.Bc2 Gb2 2.Bh7 Gd4 3.Gh8 Gb2 4.Kc4‡ Comments: GK battery setup 

G. Bernecker
Solution: set 1....Gc8 2.Kd8 Ge8 3.Kc8 Gxb8 4.PxG=Q‡
Comments: Almost a selfsolving problem! WK circuit 

C. S. Kipping
Solution: 1.Kb4 Gf3 2.Ge4 Gd5 3.Gc6 Gb7 4.Ga8‡ Comments: Leapfrog 

M. Bukofzer, I Kashdan and D. Pollard
Solution: 1.Ka4 Ga3 2.Kb3 Gc3 3.Ka4 Gh8 4.PxG=G‡ Comments: Gc1 is pinned by Gh1 but still guards a3 against WK. 

W. Pauly
Solution: set 1....Pf3 Gc1‡ key 1.Gd7
Comments: Interchange of Gs a4,d1 

J. Hartong
Solution: 1.Pa8=G (threat 2.Gh8+ Sxh8 3.Ge5‡) Rxa8
Comments: Irreversible G move versus Knight switchback. 

Composer
Solution: 1. ‡ Comments: 