Anticipatory self-pin

A black piece closes a line of a white piece to free a square for the black king. The bK moves to this square and the pin of the black piece is exploited in the mate.

Alias: ASP.

Kricheli, Josif

Schach-Echo, 1974

Example: Anticipatory self-pin
h#2 2.1... (6+7)

1.Sb3 Be4 2.Ke3 Qc1#
1.Sd7 Re4+ 2.Kxf5 Ra5#

View in Helpmate Analyzer

FEN: 2Q5/6bK/4Rp2/2n2P2/3p1k2/R2B4/4pp2/8

External links:

Paliulionis, Viktoras

Probleemblad, 1988

3rd Prize

Example: Anticipatory self-pin
h#3 2.1... (4+11)

1.Re2 Bc1 2.Qd2 Sa3 3.Ke3 Sc2#
1.Qh7 Bc2 2.Qd3 Bf6+ 3.Ke4 Sc3#

View in Helpmate Analyzer

FEN: 8/p7/1p2r1Bq/np4B1/3k2K1/4r3/5bp1/1N4n1

External links:

Gavrilovski, Zoran

Liga Problemista, 1996

4-5 Place

Example: Anticipatory self-pin
h#2 b) bBg4  (6+8)

a) 1.Sxf2 Rd4 2.Kf5 Bg4#
b) 1.Bxf3 Sc5+ 2.Kf6 Sg4#

View in Helpmate Analyzer

FEN: 5K2/3Np1n1/3pk1qb/3R2p1/6n1/5B2/5N2/5R2

External links:

Bakcsi, György

Probleemblad, 1979 (v)

Example: Anticipatory self-pin
h#3 3.1... (5+13)

1.Qb4 gxf7 2.Sd4 fxe8=Q 3.Kc4 Qc6#
1.Qc4 gxf7 2.Se4 f8=Q 3.Kd4 Qd6#
1.Qf4 g7 2.Sd4 g8=Q 3.Ke4 Qg2#

View in Helpmate Analyzer

FEN: 4b3/p4p2/5nPp/p2kpp2/R3q2R/1p1p1n2/3P4/7K

External links:

Pachl, Franz

Schach-Report, 1992

4th Prize

Example: Anticipatory self-pin
h#2 2.1... (9+8)

1.Bxe5 Sb4 2.Ke3 Bb6#
1.Sxd5 Sf7 2.Kf3 Qf5#

View in Helpmate Analyzer

FEN: 5r2/1BBQR3/8/K2NN3/2Pb1nP1/2p5/4qkp1/1r6

External links:

Abdurahmanović, Fadil

ChessblogYG TT-2, 2019

1st Prize

Example: Anticipatory self-pin
h#2 4.1... (8+13)

1.Qc6 c3 2.Kd5 Ra5#
1.Qe6 Ra5+ 2.Kd6 Rd5#
1.Qd5 f4+ 2.Ke4 Ra4#
1.Qd6 Rf5+ 2.Ke6 Bc8#

View in Helpmate Analyzer

FEN: nK4br/1Bpqp3/R4Rpp/4k1p1/8/1P2rP2/2P1P1nb/8

External links:

Csák, János

Meeting of Solidarity, 1989

1st Prize

Example: Anticipatory self-pin
h#2 2.1... (6+9)

1.Sc3 Sxg6 2.Sxg6 Rg7#
1.Sf6 Sxf3 2.Sxf3 Rc3#

View in Helpmate Analyzer

FEN: 1B5b/2R5/6pR/3nN3/7n/5pkP/2r2pp1/K7

External links: