Self-unpin/self-pin

In the course of the solution, a piece is first self-upinned, then self-pinned again.

See also: Self-unpin/pin; Unpin/pin; Unpin/self-pin.

Harkola, Hannu

Kallio, Timo

Suomen Tehtäväniekat TT, 1991

1st Prize

Example: Self-unpin/self-pin
h#2 2.1... (5+10)

1.Kd3 Kf6+ 2.Be4 Rd5#
1.Kb5 Kf4+ 2.Bd5 Bd3#

View in Helpmate Analyzer

FEN: 2R1r3/1p6/1pb3Bq/5KRp/n1k5/5p2/3Bp3/8

External links:

Abdurahmanović, Fadil

feenschach, 1990 (v)

5th Prize

Example: Self-unpin/self-pin
h#2 2.1... (6+9)

1.Kd1 Qh5+ 2.Be2 Rg1#
1.Kb3 Rb7+ 2.Qb4 Bf7#

View in Helpmate Analyzer

FEN: 8/r2R2pr/6B1/4p1p1/p7/3b3Q/1Pkq2RK/8

External links:

Nastran, Janez

Slovenian Championship, 1993

1st Place

Example: Self-unpin/self-pin
h#2  (7+11)
b) wQb6→b8 c) wQb6→g3

a) 1.Qf2 Qxe6+ 2.Sxe6 Rxf2#
b) 1.Qd7 Qxe5+ 2.Rxe5 Bxd7#
c) 1.Qd5 Qxf4+ 2.Bxf4 Rxd5#

View in Helpmate Analyzer

FEN: 2B5/5p2/1Q2rp2/2R1bkpP/1r2pnp1/8/3q2P1/5R1K

External links:

Feather, Christopher John

Moultings 4, 1991

Example: Self-unpin/self-pin
h#2 2.1... (7+13)

1.Qxc2 Qxc5+ 2.Se5 Qf2#
1.Qxb5 Qxd3+ 2.Se4 Qf1#

View in Helpmate Analyzer

FEN: 1b6/3p1N2/p2p2b1/1Rn2kN1/q1p3pr/Q2n4/1PBp4/K7

External links:

Gadjanski, Borislav

Sahovska kompozicija, Liga Problemista, 1993

1st Place

Example: Self-unpin/self-pin
h#3 3.1... (7+15)

1.Qb2 Rxb2 2.S3e4 Bxc5+ 3.Bd4 Rb3#
1.Qxa5 Bxa5 2.Sd3 Rxe5+ 3.Se4 Bb6#
1.Bg4 Rxd8 2.Bd4 Rxc3+ 3.Sd3 Re8#

Self-unpin/self-pin (black) x3
Unpin/self-pin (black) x3

View in Helpmate Analyzer

FEN: 3rR3/2K5/1B1p1p2/P1nPbP1b/1p3p2/qRn1kp2/3prp2/8

External links: