Die Schwalbe

2 problem(s) found in 2278 milliseconds (displaying 2 problem(s)). [COMMENTDATE>=20220810 AND NOT A='Kuner, Hans Theo' AND K='Zwilling durch Drehung der Position'] [download as LaTeX]

1 - P1404297
E. W. Hearn
514 Los Angeles Times 18/11/1934
P1404297
(4+3)
#3
b) a1=h8
a) 1. Sf5! g3 2. Sd4 ... 3. Sf3#
b) 1. Ta2! Ka5 2. Kc5 bxa4 3. Sc4#,Sb3#
1. ... bxa4 2. Tb2+ Ka3,Ka5 3. Sc4#
1. ... a5 2. Sb1 bxa4 3. Tb2#
play all play one stop play next play all
Henrik Juel: a) double threat 2.Le8,Lf7 (2022-09-13)
comment
Keywords: Miniature, Twinning by board rotation
Genre: 3#
FEN: 7R/4N3/8/4K1kB/6p1/7p/8/8
Input: Rainer Staudte, 2022-09-13
Last update: Gunter Jordan, 2022-09-13 more...
2 - P1415679
Sergey Radchenko
11096 Ideal-Mate Review 79 07-09/2000
Lob
PR Eugene Albert
P1415679
(2+2) C+
h=2
b) a1=a8
a) 1. La7 c7 2. Lb8 cxb8=L=
b) 1. Lb1 f7 2. Lg6 Kxg6=
play all play one stop play next play all
Henrik Juel: I think that the twinning is more clearly described by something like
Rotate the position 90 degrees clockwise (2024-03-10)
comment
Keywords: Attack number, Corner mate (-patt), Ideal stalemate, Minimal (B/l), Symmetrical end position (in a), under-promotion (l in a), under-promotion in the stalemating move (in a), Twinning by board rotation
Genre: Fairies
FEN: k1K5/8/2P5/8/8/8/8/6b1
Input: Gunter Jordan, 2024-03-10
Last update: Gunter Jordan, 2024-03-10 more...
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The problems of this query have been registered by the following contributors:

Rainer Staudte (1)
Gunter Jordan (1)