Wigwag

In initial position a linear piece stands on a square X. It moves along any line and later the same piece moves along the same line in an opposite direction, passing through the square X.

Jones, Christopher James Austin

Schach, 2011

1st Prize

Example: Wigwag
h#3 2.1... (6+14)

1.Sc4 Bxa2 2.Ke4 Bxc4 3.Ra2 Be6#
1.Rc4 Rxa4 2.Ke6 Rxc4 3.Sa4 Rxf4#

View in Helpmate Analyzer

FEN: 8/3p4/3P2p1/1pP1pk2/bR3p2/1B1pp3/rnrp2P1/1K1n4

External links:

Meinking, Daniel E.

Wiehagen, Rolf

F. Abdurahmanovic-60 JT, StrateGems, 2000

2nd Prize

Example: Wigwag
h#4.5 2.1... (4+9)

1...Re2 2.Kc4 Rxa2+ 3.Kb3 Rf2 4.Bb1 Be2 5.Ka2 Bc4#
1...Be2 2.Ke4 Bxg4+ 3.Kf4 Bd1 4.g5 Re2 5.Kg4 Re4#

View in Helpmate Analyzer

FEN: 8/8/6p1/3knb2/6p1/p5p1/p5P1/r3RB1K

External links:

Bogdanov, Evgeny

Zalokockij, Roman

feenschach, 1983

Comm.

Example: Wigwag
h#3 2.1... (6+14)

1.Bxb3+ Kxb4 2.Bc4 Bxc1 3.Ba2+ Bf4#
1.Rxf4+ Kd5 2.Rc4 Sxc1 3.Rcg4+ Sb3#

View in Helpmate Analyzer

FEN: 8/8/1p4p1/1P3prp/1pK2Brb/1N4p1/bp4R1/qkn4R

External links:

Meinking, Dan

Die Schwalbe, 2002

4th Prize

Example: Wigwag
h#3.5 2.1... (3+12)
b) wPc6→g2

a)
1...Qxb2+ 2.Ke6 Qxb5 3.Qf6 Qxd3 4.Re5 Qd7#
1...Qxb5+ 2.Kd6 Qxb2 3.Rc5 Qg7 4.Qe5 Qd7#
b)
1...Qxb2+ 2.Ke4 Qxb5 3.Qd4 Qh5 4.Re5 Qf3#
1...Qxb5+ 2.Kf4 Qxb2 3.Rg5 Qb7 4.Qe5 Qf3#

View in Helpmate Analyzer

FEN: Kb1n4/2p5/n1P5/rp2k3/8/1Q1p2p1/1pp5/q7

External links: