Grasshopper Chess: Helpmate in 5 or more

E. Holladay
British Chess Magazine Mar 1975 (10777)
Helpmate in 5 in each file.

Solution: a-file: 1Kb4 Bd5 2.Kc3Ka3 3.Kc2 Ga4 4.Kb1 Ba2 5.Ka1 Kb3‡
c file: 1.Kb5 Gc2 2.Ka4 Kd2 3.Kb3 Ba3 4.Ka2 Kc1 5.Ka1 Bb2‡
e file: 1.Kf5 Bf2 2.Kg4 Ge1 3.Kh3 Kf1 4.Kh2 Bg1+ 5.Kh1 Kf2‡
g file: 1.Kf4 Gg3 2.Ke3 Kh3 3.Kf2 Bc4 4.Kg1 Bf1 5.Kh1 Bg2‡

Comments: Ideal mates.

T. R. Dawson
Problemist Fairy Chess Supplement #973 October 1933
Helpmate in 5

Solution: 1.Kg5 Gh5 2.Kh4 Kf2 3.Kh3 Gd1 4.Kh2 Kf1+ 5.Kh1 Gf3‡

Comments: Asymmetry

G. P. Jelliss
Original 7 September 2012
Helpmate in 5, (b) Ga2 to f1

Solution:
(a) 1.Kc4 Gd4 2.Kd3 Gc3 3.Kc2 Gd2 4.Kb1 Gb4 5.Kh1 Gb2‡
(b) 1.Kd3 Gc3 2.Kd2 Ge1 3.Kc2 Gad1 4.Kb1 Gc1+ 5.Kh1 Gb1‡

Comments: Asymmetry in (a), Gf1 can be at g1 or h1 in (b)
This is the first problem I have composed for a long while; chances of it being anticipated are strong I should think.

T. R. Dawson and C. M. Fox
Problemist Fairy Chess Supplement #476 August 1932
Helpmate in 5, (b) Ga8 to c2, (c) Gh7 to f7, (d) Gh7 to g1

Solution:

(a) 1.Kd3 Gc2 2.Kc3 Kb5 3.Kb2 Ka4 4.Gb1 Ga2 5.Ka1 Kb3‡

(b) 1.Ke5 Kb5 2.Kd6 Gb1 3.Kc7 Gc8 4.Kb8 Ga6 5.Ga7 Kc6‡

(c) 1.Kd4 Kd7 2.Kc5 Gc6 3.Kb6 Ge4 4.Ka7 Kc8+ 5.Ka8 Gc6‡

(d) 1.Kf5 Kxd5 2.Kg6 Kc4 3.Kh7 Kb3 4.Kh8 Ka2 5.Gh7 Ga1‡

Comments: Two other twins in this set proved to be unsound.

T.R.Dawson & C.M.Fox
Problemist Fairy Chess Supplement August 1932
Helpmate in 6

Solution: 1.Kd5 Kf3 2.Ke6 Ke4 3.Kf6 Kd5 4.Kg7 Ke6 5.Kh7 Kf7 6.Kh8 Ng6‡

Comment: Same mate as Kemp HM4, but with WG further away.

C.M.Fox
Problemist Fairy Chess Supplement 1936
Helpmate in 7

Solution: 1.Kb2 Ga1 2.Ga2 Ga3 3.Gd1 Gc1 4.Kb3 Ke5 5.Ga4 Kd4 6.Ka3 Kc3 7.Gb1 Ga1‡

Effect: Black G-formation rotated 90° from diagram to finale.

Composer
Source Problem number and date
Helpmate in

Solution: 1. ‡

Comments: