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1 problem(s) found in 2328 milliseconds (displaying 1 problem(s)). [PROBID='P1010139' OR PROBID='P1046567'] [download as LaTeX]

1 - P1010139
Gerald Frank Anderson
S470R The Problemist 07-09/1975
1. Preis
Reflexmates, 1974-1975
P1010139
(13+12) C+
r#2
1. Dg5!
1. ... Kb3 2. Ta6 Dxc4#
1. ... Ka5 2. Dg7 Dxc4#
1. ... Sxc8 2. Lxc8 Dxc4#
1. ... Tc5 2. Tc6 Dxc4#
1. ... Dc6 2. Tb5 Dxc4
1. ... g3 2. Lh3 Dxc4#
1. ... Lf3 2. Lxg4 Dxc4#
1. ... Le4 2. Lf5 Dxc4#
1. ... Ld5 2. Le6 Dxc4#
1. ... Lg2+ 2. Ke2 f1=D#
play all play one stop play next play all
9 unpins of BQ, of which 8 are set. Key adds one and changes 1...g3/Ka5 2.De2/De8.
Keyword=Unpin of Black Queen
comment
Keywords: Task (Construction), Unpinning (d), Promotion in the mating move
Genre: r#
FEN: 2N5/nprBP2p/1R3P1P/1q5Q/k1P3pP/P1p5/2RB1p1p/5Kbb
Reprints: 644 FIDE Album 1974-1976 1980
Input: Paul Valois, 2001-04-09
Last update: Alfred Pfeiffer, 2019-01-25 more...
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The problems of this query have been registered by the following contributors:

Paul Valois (1)