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A piece makes one or more moves an then returns by the same route. It is a special case of the closed walk.

See also: Closed walk; Linear cycle; Areal cycle.

Paros, György

Fleck, Ferenc

O. Bláthy MT, 1940

1st-3rd Prize

Example: Switchback
h#4  (4+9)

1.Sd1+ Sf2 2.Sf6 Se4 3.Sf2 Sd6 4.S6e4 Sf5#

View in Helpmate Analyzer

FEN: 5K2/8/8/8/4n1p1/3pk1Pp/3pbnP1/5r1N

External links:

Paliulionis, Viktoras

4th FIDE World Cup, 2015

2nd Comm.

Example: Switchback
h#9  (2+4)

1.Qb8 Ka5 2.Kb7 Ba3 3.Kc6 Bd6 4.Kd5 Bxb8 5.Kc4 Bd6 6.Kb3 Ba3 7.Ka2 Kb4 8.Ka1 Kb3 9.Sb1 Bb2#

Switchback (wB, with captures, 3).

View in Helpmate Analyzer

FEN: k7/8/K7/4p3/8/1qn5/1B6/8

External links:

Telkes, Imre

Magyar Sakkvilag, 1937

Comm.

Example: Switchback
h#4  (6+8)

1.Ra1 Rb1 2.Rh1 Rg1 3.Rd1 Rg4 4.Rhf1 Re4#

Switchback of two black pieces.

View in Helpmate Analyzer

FEN: 8/6K1/8/6P1/Pp6/1Pp2p2/1RPpkp2/3r1r2

External links:

Ott, Markus Johannes

Geissler, Norbert

Die Schwalbe, 1992

Example: Switchback
h#5  (2+13)

1.Rc8 Rf6 2.R3c7 Rc6 3.Sa2 Rc2 4.Rc3 Rc1 5.R8c4 Rxb1#

Switchback of two black pieces.

View in Helpmate Analyzer

FEN: 5R2/8/8/4pp2/bnrp4/pkrpp3/3p4/1n1K4

External links:

Abdurahmanović, Fadil

Orbit , 2006

2nd Prize

Example: Switchback
h#4  (4+16)

1.Rg5 Bh4 2.Qg4 Bxh3 3.Qg2 Bxd7 4.Rg3 Bd8#

View in Helpmate Analyzer

FEN: 8/nb1p4/rk4p1/3p3p/2pP4/3p1prp/3n1Bqb/4KB2

External links:

Meinking, Dan

U.S. Problem Bulletin, 1993 (v)

Example: Switchback
h#3 4.1... (6+5)

1.Rg3 Rf3 2.Qf5 Rxf5 3.Rg2 Rf3#
1.Rf3 Re3 2.Rg3 Rxe6 3.Rg2 Re3#
1.Qg4 Bf5 2.Rd3 Bxd3 3.Qg2 Bf5#
1.Qf5 Be6 2.Qg4 Bxb3 3.Qg2 Be6#

View in Helpmate Analyzer

FEN: 8/3B4/2P1q3/8/P6p/Rr5k/4P2n/K7

Albert, Eugene

Feenschach-Aufsätze, 1963

Example: Switchback
h#4  (2+5)

1.Rd7 Kb8 2.Kd6 Sb5+ 3.Kc6 Kc8 4.Rd6 Sa7#

Switchbacks wK, wS, and bR.

View in Helpmate Analyzer

FEN: 2K5/N7/1p1rk3/2pp4/8/8/8/8