Grasshopper Chess: Selfmates


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Selfmate in 2

9 men 5 types (KBSGP) 2G

G. F. Perrin and solvers
Fairy Chess Review 1939 (3969)
Selfmate in 2, b) remove Gb7

Solution: a) 1.Sg5 Gh6 2.Sf7 Gh1‡
b) 1.Sd4 Gd5 2.Sb5 Ga5‡

Comments: in a) the Sf7 shuts off the WG escape line.

The twin was provided by the FCR solvers

10 men 7 types (KQRBSGP) 2G

G. F. Anderson and C. C. Palmer
Fairy Chess Review Feb 1947
Selfmate in 2

Solution: 1.Be4 1... Gb3 2.Bd3† Gb5‡ 1... Gd1 2.Qh6 Ga1‡

Comment: WBa8 moved to h1 to legalise the position, since othrwise no last Black move.

12 men 5 types (KRBGP) 1G

T. R. Dawson
Chemnitzer Tagbla.. 1926 (2400)
Selfmate in 2, with set play

Solution: Set: 1... G×e5 2.Bg8 Gh5‡ Play: 1.Bh3 Ge4† 2.R×h2† g2‡

Comments: Changed play.

13 men 5 types (KBSGP) 2G

W. H. Reilly
Feenschach 1960 (4978)
Selfmate in 2

Solution: 1.Gc8 c×b6/c×d6/c6/c5 2.Sb5/Sd5/Gc5/Gc4 Ga5/Gc5/Gb5/Gb5 ‡

Comments: Black pawn task ('piccaninny'). B|G battery.

14 men 4 types (KRGP) 2G

A. H. Kniest
Fairy CHess Review Dec 1937
Selfmate in 2

Solution: 1.Gd4 1... f2† 2.Kf1 d×e2‡ 1... f×e2 2.Ga3 d2‡ 1... d×e2 2.Gf4 f2‡

Comments: Asymmetry.

17 men 5 types (KBSGP) 4G

W. Pflughaupt
Fairy Chess Review 1955 (10296)
Selfmate in 2

Solution: 1.g8=B (threat 2.Gd2† b1(=any)‡ h1=G 2.a8=G† G×a8‡

Comments: Corner-rattler. Four pawn promotions.

17 men 7 types (KQRBSGP) 3G

F. Heumer
DMSZ Dec 1932
Selfmate in 2, with set mate

Solution: Set: 1... B×d2‡ Play: 1.Gh6 Be3/Bf4 2.Sed6†/Sc7† Bb6/B×c7 ‡


Selfmate in 3

8 men 7 types (KQRBSGP) 1G

B. Rehm
Feenschach 1961 (5229)
Selfmate in 3, with set play

Solution: Set: 1... Gf2 2.Bb1 Gd4 3.Qe5 d2‡ Play: 1.Bb1 Gf2 2.Qf3 Gf4 3.Qd1 d2‡

Comments: Pin and Nip.

10 men 5 types (KRBGP) 2G

D. Pirnie
Western Morning News May 1924
Selfmate in 3, stalemate set

Solution: 1.Gc3 Gd4 2.Ge5 Gf6 3.Gg7 G×h8‡

Comments: Self-solver. Corner-rattler.

11 men 5 types (KRSGP) 3G

C. M. Fox
Fairy Chess Review 1937 (2737)
Selfmate in 3, b) WQc3 (6 types)

Solution: a) 1.Se2 Gf2 2.Sf4 G×f5 3.Sh5† G×h5‡
b) 1.h5 Gd4 2.Qd3 Gd2 3.Qe4 Gh6‡

Comments: G over G mates. In a) the hurdle f5 is removed, in b) it is blocked by Qe4.

12 men 5 types (KQSGP) 2G

G. Fuhlendorf
Funkschach Aug 1926
Selfmate in 3

Solution: 1.Qb4† Sc4 2.Gg7 Gc3 3.Qe7† Se5‡

Comments: S Switchback.

12 men 5 types (KRBGP) 3G

W. E. Lester
Fairy Chess Review 1943 (5629)
Selfmate in 3

Solution: 1.Be2 Gc6 2.b8=B† K×b6 3.a7 Gaa8‡

Comments: The original has BGa2 and WBb5 for 1.Bf1, but position is illegal (no last move).
I have moved BG a2 to a1 for legality (last move a1=G), and WBb5 to c4 to avoid a dualled key. pin and nip.

12 men 7 types (KQRBSGP) 2G

P. L. Rothenburg
To Alain White 1945
Selfmate in 3

Solution: 1.Qg7 Gh8 2.Qc3 Gh1 3.Sg4 Ga8‡

Comments: Corner-rattler. Nip.

16 men 5 types (KRBGP) 1G

E. M. H. Guttmann
Hamburg Correspondent Mar 1930
Selfmate in 3

Solution: 1.g5 1... Gg4 2.B×h7 GG6 3.R×g6 K×c2‡ 1... Gb7 Rd8 2.Gd7 B×d7 K×c2‡

Comments: Reciprocal shut-offs. Vanishing G.

21 men 7 types (KQRBSGP) 7G

C. Eckhardt
Fubkschach Aug 1926
Selfmate in 3

Solution: 1.Qg1 Gh1 2.Qc5 Gd4 3.Gc3†† Gf4‡

Comments: Pins


Selfmate in 4

6 men 4 types (KQBG) 2G

C. M. Fox
Pittsburgh Post Dec 1926
Selfmate in 4, stalemate set

Solution: 1.Bf7 Gf8 2.Ba2 Ga1 3.Bf7 Gf6 4.Bg8 Gg7‡

Comments: G-shepherding. WB switchbacks.

8 men 6 types (KQBSGP) 1G

B. Rehm
Caissa's Fröhliche Tiefgarage 1970 (13)
Selfmate in 4, stalemate set

Solution: 1.Qc4 K×d1 2.Qe4 K×c1 3.Qe2 Gf2 4.Qd3 b2‡

Comments: WQ circuit.

9 men 5 types (KRBGP) 2G

W. Gunther
PFCS Feb 1934
Selfmate in 4, with set play

Solution: Set: 1... Gc6 2.d7 Ge8 3.d8=G Gc8 4.Gb8 Ga8‡
Play: 1.d7 Gc8 2.d8=S Ge8 3.Se6 Ge5† 4.Sd4 Gc3‡

Comments: G-shepherding. Changed mate.

10 men 5 types (KRBGP) 4G

C. M. Fox
Pittsburgh Sun 1926
Selfmate in 4, stalemate set

Solution: 1.Bg4 Gh4 2.Gg5† Gf4 3.Ra8 Gdh4 4.Rg8 Gf6‡

Comments: G-shepherding.

11 men 6 types (KQRBGP) 3G

W. H. Reilly
Feenschach 1965 (7315)
Selfmate in 4

Solution: 1.Qg3 Gh3 2.Qf2 Gh8 3.Ge3 Gh6 4.Ke2† Gf1‡

Comments: Well hidden mate. B|G battery. R|K battery. Crosscheck.

14 men 6 types (KRBSGP) 1G

T. R. Dawson
Pittsburgh Post 1926 (2413)
Selfmate in 4, stalemate set

Solution: 1.Gg5 S~/Pg3 2.Ge3† Sd3/Pg2 3.Ge7† Sc5 4.Ga7† Sa6‡

Comments: Interposition in G-check lines.

15 men 6 types (KRBSGP) 4G

W.H.Reilly
Feenschach 1961
Selfmate in 4

Solution: 1.Bc4 B any 2.Ga4† Bb4 3.Bd3† Bd2 4.Be4† Bf4‡

Comment: Three interpositions of B in G check lines. G pins but cannot capture pinned piece.


Selfmate in 5

7 men 5 types (KQBGP) 1G

C. M. Fox
The Problemist April 1926 (#24)
Selfmate in 5

Solution: 1.Qf5 Gf4 2.Qe5 Gd6 3.Qe7 Gf8 4.Qe5 Gd8 5.g8=G Gf8‡

Comments: Stalemate set. G over Q path.
Not 4.Qc5 Gb4 or 4.Qd8 G×d8. Other Q moves to retain guard on g5 give check.

T. R. Dawson noted: "CMF eliminated the Ph7 by moving Q to e5, G to d2,
starting 1.Qe3† Gf4 2.Qe5 as before.
As this form includes two switchbacks of Q to e5, many will prefer it.

7 men 5 types (KBNGP) 1G

G. Meyer
Feenschach 1954 (#2124)
Selfmate in 5

Solution: 1.Sg5 Gg4 2.Se4 Gd4 3.Sd2 Gd1 4.Sb1 Ga1 5.Sd2 Ga6‡

Comments: Stalemate set. G over S path.

12 men 5 types (KBSGP) 2G

W. Karsch
Chemnitzer Wochenschach 1927
Selfmate in 5, b) h23 to a23

Solution: a) 1.Sc4 Gb4 2.Sb2 Gb1 3.Sd3 Ge4 4.Se5 Ge6 5.Sg6 Gh6‡
b) 1.Sd3 Gc2 2.Sc5 Gc6 3.Se4 Gf3 4.Sg3 Gh3† 5.Sh5 Gh6‡

Comments: G-shepherding by S.

13 men 7 types (KQRBSGP) 4G

C. M. Fox
Fairy Chess Review 1942 (5375)
Selfmate in 5, stalemate set

Solution: 1.Qd8 Gc8 2.Qe7 Gc3 3.Qe3† f×e3 4.Bd3 Gf2 5.Ge1† Sb2‡

Comments: Blockng the BS to leave it only one escape.

"A very remarkable brilliancy that baffled the whole Fairy Ring".

13 men 7 types (KQRBSGP) 2G

W. H. Reilly
Feenschach 1968 (8687)
Selfmate in 5

Solution: 1.Ge8 S~ 2.Bd5† S×b5 3.Qb4†† Bd4 4.Rg4† Sf4† 5.Kf1 e2‡

Comments: Pins. BS and BB forced into position round the mating square f1.

15 men 5 types (KRSGP) 1G

W. Kramer
Aachener Anzeiger Nov 1928
Selfmate in 5, with set mate

Solution: Set: 1... Rh1‡ Play: 1.Ge5 Ka1 2.Gb8 Kb1 3.Gb3† Ka1 4.Ge3 Kb1 5.Gc3 Rh1‡

Comments: Tempo loss. G circuit.

15 men 7 types (KQRBSGP) 1G

C. P. Swindley & A Lundström
British Chess Magazine Feb 1979 (11527)
Selfmate in 5

Solution: 1.Kc2 c3 2.Qg8† Re6 3.Sd6 Gb1 4.Qg2† Re4 5.Kd3 c2‡

Comments: Line clearance for BG move. WQ and BR switchback.


Selfmate in 6

7 men 5 types (KRBGP) 2G

C. M. Fox
The Problemist Oct 1926 (#60)
Selfmate in 6

Solution: 1.Be6 Gd7 2.Bf7 Gg7 3.Bb3 Gb4 4.Bg8 Gd6 5.Rd5 Gd4† 6.Re5 Gf6‡

Comments: Stalemate set. B circuit in one diagonal. G over B and G over R paths.

9 men 6 types (KQBSGP) 2G

C. M. Fox
Fairy Chess Review 1937 (2740)
Selfmate in 6

Solution: 1.Bf8 g4 2.Bd6 g3 3.Bh3 g2 (not Gh4‡) 4.Sd8 g1=any 5.Q×g1 Gh1 6.Qg8 Gh4‡

Comments: Permuting the guards round the BK. WQ switchback.

11 men 4 types (KBGP) 1G

T. Kardos
Feenschach 1967 (8402)
Selfmate in 6

Solution: 1.e8=G g2 2.Gc6 d×c6 3.h8=G c5 4.Gh2 c4 5.Gc7 c3 6.Ba2 c×b2‡

Comments: Nip.

11 men 5 types (KQRBGP) 3G

C. M. Fox
Eskilstuna Kuriren 1930
Selfmate in 6, stalemate set

Solution: 1.Rh2 h3 2.Bd8 Gc8 3.Bf6 Gf7 4.Bb2 Gb3 5.R×h3† G×h3 6.Qg5† K×g5‡

Comments: G-shepherding. G|K battery set up.

14 men 5 types (KRBGP) 4G

N. S. Petrovic
DMSZ Oct 1931
Selfmate in 6, with set play

Solution: 1.Gh1 Ka2 2.Gh8 Ka1 3.Ga8 c4 4.Gh1 Ka2 5.Gh8 Ka1 6.Ga8 d2/Rb1‡
The set play only requires one G circuit.

Comments: Only just legal. G circuits. Corner-rattler.


Selfmate in 8

19 men 7 types (KQRBSGP) 5G [2WKBs]

W. Pauly
Chess Amateur Jan 1928
Selfmate in 8, with two variations

Solution: 1.Sd1† Ke4 2.Rf5†
2... Rg6 3.Rdd5† Qc6 4.Rf3† Rg2 5.Rfd3† Rc2 6.Rf5† Qg6 7.Rff3† Qg2 8.Gf2 Q×h1‡
2... Qg6 3.Rf3† Qg2 4.Bg6† R×g6 5.e8=Q† Re6 6.Qc6† R×c6 7.R3-d3† Rc2 8.Re2† Q×e2‡

Comments: Interposing in G-checks.

This is just legal 2WP, 5WG, and 1 extra light-square WB accounts for the 8 WPs.


Selfmate in 9

9 men 5 types (KRBGP) 1G

W. Karsch
The Problemist 1954 (34)
Selfmate in 9 with set play

Solution: Set: 1... Gd2 2.c3 Gb4 3.c4 Gd4 4.c5 Gb6 5.c6 Gd6 6.c7 Gb8 7.c8=G Gd8 8.Ge8 Gf6 9.Gg8 Gh8‡
Play: 1.c3 Gd4 2.c4 Gb4 3.c5 Gd6 4.c6 Gb6 5.c7 Gd8 6.c8=R Gb8 7.Rc7 Gd6 8.Re7 Gg8 9.Rg7 Gh6‡

Comments: G-shepherding. Excelsior. Underpromotions.


Selfmate in 10

10 men 4 types (KSGP) 1G

T. R. Dawson
Pittsburgh Post 1926 (2353)
Selfmate in 10

Solution: 1.Sc3 Gd4 2.Sd5 Gd6 3.Sc7 Gb8 4.Sb5 Gb4 5.Sd6 Ge7
6.Sb7 Ga7 7.Sc5 Gd4(again) 8.Sd7 Gd8 9.Sb8 Ga8 10.Sc6 Gd5‡

Comments: G-shepherding. After the 8th moves the G and S formation has been rotated from a1a2 to a8b8.


Selfmate in 14

9 men 4 types (KBSG) 3G

C. M. Fox
Fairy Chess Review 1943 (5474)
Selfmate in 14

Solution: 1.Sb5 Ga4 2.Sa7 Ga8 3.Sc6 Gd5 4.Bf4 Gb7 5.Se5 Gd4 6.Bg5 Gf6 7.Sg4 Gh4
8.Be3 Gf4 9.Se5 Gd6 10.Sg6 Gh6 11.Se7 Gf7 12.Sc6 Gb6 13.Sd4 G×e3 14.Sb3† S×b3‡

Comments: G-shepherding. Release of mating piece (Sd2).

This complicated composition was reached by extension of earlier problems
5110 (Selfmate in 5) and 5426 (Selfmate in 11).


Selfmate in 38

20 men 6 types (KRBSGP) 2G

B. Zastrow
Schachbrief 1944
Selfmate in 38

Solution: 1.Gh5† Bg1 2.Be3 b5 3.Ge8 Bh2 4.Ge4 Bg1 5.Gh4 P~
6.Ge7 Bh2 7.Ge4 Bg1 8.Gh4 P~ and so on to 38.Gh4 S~‡

Comments: 8BPs.

A number of other long selfmates using 8BPs plus BGs are excluded from this collection
as being illegal, since the Gs are required to appear by pawn promotion.


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Composer
Source Problem number and date
Stipulation

Solution: 1. ‡

Comments: