Die Schwalbe

29 problem(s) found in 5741 milliseconds (displaying 29 problem(s)). [COMMENTDATE>=20220810 AND NOT S='Arbeiter-Zeitung (Wien)' AND K='Selbstbehinderung, weiße'] [download as LaTeX]

1 - P1025183
Franz Pachl
Jens Künzelmann

12240 Schach 04/1990
P1025183
(10+10) C+
#2
1. Ld2! droht 2. Sdf4#
1. ... f5 2. Dh4#
1. ... Sf7-g5 2. Txh6#
1. ... T6c5 2. Sxf6#
1. ... T1c5 2. e3#
play all play one stop play next play all
more ...
comment
Keywords: Brian Stephenson Collection (10061), Option key, self-unpin (s, maskiert, vierfac), white self-obstruction (vierfach)
Genre: 2#
Computer test: Juel: 4.61
FEN: 1b6/4QnK1/2r2pRp/1R1Np1Bk/4p3/7P/1p2P1N1/2rB4
Reprints: A117 FIDE Album 1989-1991 , p. 40, 1997
26 Schach mit Partner , p. 63, 1999
Input: Brian Stephenson, 2004-08-12
Last update: Dieter Berlin, 2024-01-07 more...
2 - P1029071
Alexander P. Korepin
? 1938
1. Preis
Tschigorin-Memorial 1938
P1029071
(13+9) C+
#2
1. Lf6? Sf7! 2. Dxe6?
1. Ld4? Se4! 2. Td4?
1. Lc3? Sf5! 2. Tc3?
1. Lb2? Sb5! 2. Sb2?

1. La1! droht 2. Se5#
1. ... Sf7 2. Dxe6#
1. ... Se4 2. Td4#
1. ... Sf5 2. Tc3#
1. ... Sb5 2. Sb2#
1. ... Dxg7 2. Dxe6#
1. ... Tb2+ 2. Sxb2#
1. ... Lxd3 2. exd3#
play all play one stop play next play all
more ...
comment
Keywords: Brian Stephenson Collection (13962), white self-obstruction (vierfach)
Genre: 2#
Computer test: SCHRECKE: popeye 4.87
FEN: 2r1n1q1/1rbN2Pb/2Bnp2Q/2P1B3/N1k2P2/P2RP3/2K1P3/8
Reprints: Chess Problems: Introduction to an Art 1963
652 FIDE Album 1914-1944/I , p. 124, 1971
1128 Beispiele zur Ideengeschichte des Schachproblems , p. 229, 1982
Input: Brian Stephenson, 2004-08-12
Last update: Dieter Berlin, 2023-02-14 more...
3 - P1033298
Stefan Dittrich
(8) idee & form , p. 265, 07/1986
3. Preis
1. Thematurnier
P1033298
(9+7) C+
#2
1. c3? d2!
1. c4? Sac2!
1. cxd3? Sdc2!

1. cxb3! droht 2. Tf3#
1. ... Sdc2 2. Txd3#
1. ... d2 2. Dc3#
1. ... Sac2 2. Sc4#
play all play one stop play next play all
more ...
comment
Keywords: Brian Stephenson Collection (18209), Option key, Albino, theme A1, white self-obstruction (in Verf.)
Genre: 2#
Computer test: A. Baumann: Gustav 4.2a
FEN: 3R3b/7K/8/N1N4B/3n4/np1pk3/1QP2R2/4q1B1
Reprints: A37 FIDE Album 1986-1988 , p. 14, 1995
B The Problemist Supplement 135, p. 414, 03/2015
Input: Brian Stephenson, 2004-08-12
Last update: Dieter Berlin, 2024-03-20 more...
4 - P1049634
Werner Speckmann
9423 Die Schwalbe 05-06/1954
C. Eckhardt zum 60.Geburtstag gewidmet
2. Preis
P1049634
(6+3) C+
#3
1. Td4? Tg1 2. Db6+ Kc1! 1. Td5? Th1 2. Db7+ Kc1! 1. Td6? Tg1 2. Db6+ Kxa1!
1. Td7? Th1 2. Db7+ Kxa1!

1. Td8! Tg1 2. Db6+ Kc1 3. Dxg1# 2. ... Kxa1,Ka2 3. Ta8#
1. ... Th1 2. Db7+ Kc1 3. Dxh1# 2. ... Kxa1,Ka2 3. Ta8#
play all play one stop play next play all
more ...
comment
Keywords: Brian Stephenson Collection (34663), white self-obstruction (Verführungen), Option key
Genre: 3#
Computer test: SCHRECKE: popeye 4.87
FEN: 8/7B/Q7/8/5K2/2pR4/2P5/Bk2r3
Reprints: 11 Das logische Schachproblem , p. 27, 1965
11 Das logische Schachproblem , p. 28, 1980
1391 Beispiele zur Ideengeschichte des Schachproblems , p. 280, 1982
Input: Brian Stephenson, 2004-08-12
Last update: Dieter Berlin, 2023-03-15 more...
5 - P1054643
Gottlieb Frei
Schweizerische Schachzeitung 1975
P1054643
(11+8) C+
#2
1. Tf6? Tb2! 1. Tf5? Tc2! 1. Tf3? Se2!

1. Tf1! droht 2. Sf4#
1. ... Tb2 2. Dh8# 1. ... Tc2 2. Lxg6# 1. ... Se2 2. Lf3#
play all play one stop play next play all
more ...
comment
Keywords: Brian Stephenson Collection (39691), white self-obstruction (dreifach, Verführung), Line closing (b)
Genre: 2#
Computer test: SCHRECKE: popeye 4.89
FEN: 1r6/2r1NP2/6p1/6Pk/3QBR1P/4p2P/6NK/bb2B1n1
Reprints: 19 Kunstschach in der Schweiz , p. 19, 1980
Input: Brian Stephenson, 2004-08-12
Last update: Dieter Berlin, 2023-10-20 more...
6 - P1055165
Hans Johner
Neue Zürcher Zeitung 1965
P1055165
(9+7)
#2
1. T5e2? Tde3!

1. Te3! droht 2. De5#
1. ... Tdxe3 2. Td2#
1. ... Tfxe3 2. Tf4#

1. ... Sxe3 2. Dh8#
1. ... bxa6 2. Db6#
1. ... Kxe3 2. De5#
play all play one stop play next play all
SCHRECKE: C+, popeye 4.87 (2022-09-14)
comment
Keywords: Brian Stephenson Collection (40216), black self-obstruction, white self-obstruction, pin-mate, Sacrifice key, Rook sacrifice, Knight sacrifice, Blocknutzung
Genre: 2#
FEN: 1Q6/Kp1b4/N7/3BRp2/2Pk4/3r1r2/1Pn2R2/6B1
Reprints: 30 Kunstschach in der Schweiz , p. 25, 1980
Input: Brian Stephenson, 2004-08-12
Last update: Dieter Berlin, 2022-09-13 more...
7 - P1055434
Andreas Schönholzer
? 1977
Problemwettkampf
Schweiz-Österreich 1977
5. Platz
P1055434
(7+11) C+
#2
1. Le4? Sh8,Sh6! 1. Lg2? Sh8,Sh6 2. Dxe5# 1. ... Sd6!

1. Lb7! droht 2. Sd5#
1. ... Sh8,Sh6 2. Dxe5#
1. ... Sg5 2. Sg2#
1. ... Sd6 2. Dxc5#

1. ... Lf3 2. Txf3#
1. ... exf4 2. Dxf4#
play all play one stop play next play all
more ...
comment
Keywords: Brian Stephenson Collection (40485), white self-obstruction, Black correction
Genre: 2#
Computer test: Juel: Popeye 4.61
FEN: K2n1bq1/2Q2n2/8/2pBpp2/2R2N2/3pk3/3p1R2/3b3N
Reprints: 51 Kunstschach in der Schweiz , p. 35, 1980
Input: Brian Stephenson, 2004-08-12
Last update: Dieter Berlin, 2023-10-17 more...
8 - P1058198
Karl Hasenzahl
Problemas 1951
2. Preis
P1058198
(14+7)
#2
1. Sg6? droht 2. Te5#
1. ... Lxg6!
1. Sxf7? droht 2. Te5#
1. ... Txf7!
1. Sc4? droht 2. Te5#
1. ... Dxc4,Txc4!
1. Sc6? droht 2. Te5#
1. ... Kxd5!
1. Sf3? droht 2. Te5#
1. ... Dxd5!
1. Sd3? droht 2. Te5#
1. ... Lxd5!
1. Sg4? droht 2. Te5#
1. ... Sxd5!
1. Sd7! droht 2. Te5#
1. ... Kxd5 2. Dc6#
1. ... Dxd5 2. f3#
1. ... Lxd5 2. d3#
1. ... Sxd5 2. Lf5#
1. ... Txb5 2. Td4#
play all play one stop play next play all
SCHRECKE: C+, popeye 4.87 (2022-12-06)
comment
Keywords: Brian Stephenson Collection (43257), white self-obstruction, Dual avoidance
Genre: 2#
FEN: 4nr2/B4bN1/Q2P4/1P1RN3/1r2k3/1qn3PB/2PPPPK1/8
Reprints: FIDE Album 1945-1955 1964
36 Rochade , p. 275, 10/1977
Input: Brian Stephenson, 2004-08-12
Last update: Felber, Volker, 2013-09-15 more...
9 - P1235265
Cornelis Groeneveld
3340 Freie Presse (Chemnitz) 18/09/1992
P1235265
(11+11) C+
#2
1. Tb5? Sxe3! 2. Dc3?
1. dxc4? Txe3! 2. Dc4?
1. Te5? cxd3! 2. Tb4+ Lxb4!
1. Le6? exd3! 2. Dxc4+ Kxe3!

1. Lf7! droht 2. Sc2#
1. ... Sxe3 2. Dc3#
1. ... Txe3 2. Dxc4#
1. ... cxd3 2. Tb4#
1. ... exd3 2. Dxc4#
play all play one stop play next play all
more ...
comment
Keywords: white self-obstruction, Blocknutzung
Genre: 2#
Computer test: SCHRECKE: popeye 4.87
FEN: 5b2/4R2b/1pP5/3B4/N1pkpP2/p2PN2r/4Pn2/KRQn3r
Reprints: 456 Problemschach-Jahrbuch 1992 D , p. 216, 1992
Input: Felber, Volker, 2012-03-27
Last update: Dieter Berlin, 2023-05-29 more...
10 - P1235721
Wieland Bruch
3452 Freie Presse (Chemnitz) 15/10/1993
2. ehrende Erwähnung
P1235721
(8+8) C+
#2*
* 1. ... Tb3 2. Sc4#
* 1. ... Sf6 2. Dd6#

1. c4? droht 2. Dd5#,De4#
1. ... Sf6 2. Dd6#
1. ... Tb3! 2. Sc4?

1. Tc4! droht 2. Dd5#,De4#
1. ... Tb3 2. Tc5#
1. ... Sf6 2. Lf4#
1. ... Ta3 2. Sd7#
1. ... Txc4 2. Dd5#
1. ... Lxc4 2. De4#
play all play one stop play next play all
more ...
comment
Keywords: Nowotny, Changed mates, white self-obstruction, Sacrifice key, Doppeldrohung, Blocknutzung
Genre: 2#
Computer test: Juel: Popeye 4.61
FEN: 2N1n3/r4p2/1N6/4kBB1/1r3R2/3Q3K/bbP5/5n2
Reprints: 451 Problemschach-Jahrbuch 1993 D , p. 212, 1993
Input: Felber, Volker, 2012-04-01
Last update: Dieter Berlin, 2023-05-28 more...
11 - P1236517
John M. Rice
3654 Freie Presse (Chemnitz) 17/11/1995
P1236517
(10+8)
#2
1. g5? Sf5!
1. cxb5? Sd5!
1. Df3? Sxg4!
1. Td3? Sxc4! 2. Lxc4?
1. Td4? Lc1! 2. Lxc3?

1. Td7! droht 2. Ld1,Ld3#
1. ... Sxg4 2. Lxg4#
1. ... Sf5 2. Dxf5#
1. ... Lc1 2. Lxc3#
1. ... Sxc4 2. Lxc4#
1. ... Sd5 2. Txd5#
1. ... Sxd7 2. Lc7#
play all play one stop play next play all
Henrik Juel: double threat (2023-07-09)
comment
Keywords: white self-obstruction, discovered checkmate, Deckungsverlust, Line opening
Genre: 2#
FEN: r7/8/1n5n/BpN1k3/2P3P1/2p3p1/1bN1B3/1K1RRQ2
Reprints: 819 Problemschach-Jahrbuch 1995 D , p. 340, 1996
Input: Felber, Volker, 2012-04-10
Last update: Dieter Berlin, 2023-07-09 more...
12 - P1244481
Peter Sickinger
1572 Freie Presse (Chemnitz) 28/06/1974
1. Preis
P1244481
(11+7) C+
#3
1. Sf2? Dh7!
1. Sd6? f6!
1. Sc3? Da8!
1. c3? Se8! 2. Sc3?
1. c4? Se6! 2. Sd6?
1. d3? Sf5! 2. Sf2?
1. d4! droht 2. c3,c4#
1. ... Se8 2. Sc3
1. ... Se6 2. Sd6
1. ... Sf5 2. Sf2
play all play one stop play next play all
more ...
comment
Keywords: white self-obstruction
Genre: 3#
Computer test: Juel: Popeye 4.61
FEN: 6q1/3p1pn1/8/1PP4p/1K2NP2/4P3/1kPP2R1/bB4R1
Reprints: 107 Problemschach [Siehndel] , p. 127, 1985
Input: Felber, Volker, 2012-07-13
Last update: Dieter Berlin, 2023-01-30 more...
13 - P1248469
Peter Sickinger
2720 Freie Presse (Chemnitz) 09/05/1986
P1248469
(8+9)
#2
1. f3? Sc4 2. Lc2#
1. ... Ld4 2. Sf4#
1. ... Sf5! 2. De4?

1. f4? Sc4 2. Lc2#
1. ... Sf5 2. De4#
1. ... Ld4! 2. Sf4?

1. fxg3? Sc4 2. Lc2#
1. ... Sf5 2. De4#
1. ... Ld4 2. Sf4#
1. ... Tf8+!

1. Ke1! droht 2. Te3#
1. ... Sc4 2. Lc2#
1. ... Sf5 2. De4#
1. ... Ld4 2. Sf4#
1. ... gxf2+ 2. Sxf2#
play all play one stop play next play all
SCHRECKE: C+, popeye 4.89 (2023-10-17)
comment
Keywords: white self-obstruction
Genre: 2#
FEN: 2r4b/7b/3nN3/3P4/6pp/1Bpk2p1/4RPQ1/3N1K2
Input: Felber, Volker, 2012-09-15
Last update: Felber, Volker, 2014-08-12 more...
14 - P1266397
Andreas Schönholzer
(20) idee & form , p. 268, 07/1986
1. Thematurnier 1986
Lob
P1266397
(10+13) C+
#2
1. Lxd3? c3!
1. Lf3? Tc3!
1. Lf5? Sc3!
1. Lg2? Lc3!

1. Lh1! droht 2. Dd4#
1. ... c3 2. Sxd3#
1. ... Tc3 2. Tf1#
1. ... Sc3 2. Txf6#
1. ... Lc3 2. Dh2#
play all play one stop play next play all
Viermal verstellt Schwarz eine w. Linie auf demselben Feld.
more ...
comment
Keywords: white self-obstruction (Verführungen)
Genre: 2#
Computer test: Juel: Popeye 4.61
FEN: 7n/5b2/p2K1pR1/r2nN1N1/1pp1BkPB/3pp2P/1Q1b4/R1r5
Reprints: 95 Schweizer Schachkompositionen 1976-1986 , p. 37, 1989
Input: Felber, Volker, 2013-04-05
Last update: Dieter Berlin, 2023-11-05 more...
15 - P1386387
Dieter Berlin
Landeszeitung für die Lüneburger Heide 09/05/1981
P1386387
(10+9) C+
#2
1. Ld5? Lc7! 1. Lb3? Tc6! 1. Lxd3? Lxc8!

1. La2! droht 2. Le3#
1. ... Lc7 2. Dxg5#
1. ... Tc6 2. Dxb2#
1. ... Lxc8 2. Dxd3#
play all play one stop play next play all
more ...
comment
Keywords: white self-obstruction (dreifach)
Genre: 2#
Computer test: Juel: Popeye 4.61
FEN: 2Rb4/8/br1pP3/1Q4p1/2BB4/2Pp1P2/1p1kpK2/1R2N3
Reprints: 700 Schachbrett - 1000 Schachaufgaben der LZ , p. 256, 1989
Input: Dieter Berlin, 2021-02-11
Last update: Dieter Berlin, 2023-07-19 more...
16 - P1404028
Martin Wolfgang Hoffmann
Neue Zürcher Zeitung 1985
2. Preis
P1404028
(12+11) C+
#2
1. Lxe7? Lb6,Ld6! 1. Le5? Sgf6! 1. Ld4? Ld6! 1. Lxc3? Tb6! 1. Lxg5? Shf6!

1. Lh8! droht 2. Sg7#
1. ... Lb6,Ld6 2. Sxe7#
1. ... Sgf6 2. Te5#
1. ... Ld6 2. Sd4#
1. ... Tb6 2. Kxc3#
1. ... Shf6 2. Dxg5#
play all play one stop play next play all
more ...
comment
Keywords: Levman defence, white self-obstruction (fünffach)
Genre: 2#
Computer test: Juel: Popeye 4.61
FEN: 6Q1/3pp2n/R3NB2/2bN1kp1/2P2Pn1/2pK1P2/1rBPRp2/7r
Reprints: 34 Schweizer Schachkompositionen 1976-1986 , p. 17, 1989
Input: Dieter Berlin, 2022-09-04
Last update: Dieter Berlin, 2022-09-04 more...
17 - P1405308
Stephen Rothwell
1259 Lüneburger Landeszeitung 01/02/1992
P1405308
(9+7) C+
#2
1. e3? Lc5! 1. e4? Se3! 1. exf3? Se2! 1. Dxg1? hxg1=S!

1. Da7! Lc5 2. Dxc5#
1. ... Se3 2. Dxe3#
1. ... Sxe2 2. Sxf3#
play all play one stop play next play all
more ...
comment
Keywords: white self-obstruction
Genre: 2#
Computer test: Juel: Popeye 4.61
FEN: B1N2b2/5K2/8/4k1N1/1p4P1/1P3p2/4PQnp/2B3n1
Reprints: 5 Problemschach-Jahrbuch 1992 D , p. 10, 1992
Input: Dieter Berlin, 2022-10-21
Last update: Dieter Berlin, 2022-10-22 more...
18 - P1407457
Hans Joachim Schlüter
? 1969
2. Lob
Jozsef-Banyai-Gedenkturnier
P1407457
(9+9) C+
#2
1. Sb6? Sd6! 1. Se5? Lg1! 1. Se3? b4!

1. Sxa3! droht 2. d4#
1. ... Sd6 2. Dxa7#
1. ... Lg1 2. Th5#
1. ... b4 2. Lf2#

1. ... Lxd3 2. Sxd3#
play all play one stop play next play all
more ...
comment
Keywords: white self-obstruction, Vorausverstellung (w), Capture key, Pawn mate (Drohung), Line opening (s), Blocknutzung
Genre: 2#
Computer test: SCHRECKE: popeye 4.87
FEN: 4r3/nn1Q4/K1p1P3/1pk5/2N1PN2/p2P4/7b/4Bb1R
Reprints: 25 Problemschach [Siehndel] , p. 96, 1985
Input: Dieter Berlin, 2023-01-28
Last update: Dieter Berlin, 2023-01-28 more...
19 - P1407830
Hans Hülsmann
Westfälischer Schachbund 1938
1. Preis
Westfälischer Schachbund 1938
P1407830
(9+10) C+
#2
1. Ta7? bxa5! 1. Tb7? Sf7! 1. Td7? Se4! 1. Te7? d5! 1. Tf7? b4! 1. Tg7? Ld5!

1. Th7! droht 2. Lxd6#
1. ... bxa5 2. La7#
1. ... Sf7 2. Sb7#
1. ... Se4 2. Sd7#
1. ... d5 2. Df8#
1. ... b4 2. Dxc4#
1. ... Ld5 2. Dg1#
play all play one stop play next play all
more ...
comment
Keywords: white self-obstruction (sechsfach), Line opening
Genre: 2#
Computer test: SCHRECKE: popeye 4.87
FEN: KBBn2Q1/2R5/1ppp1n2/Npk1N3/2p2p2/P7/3R2b1/8
Reprints: 1127 Beispiele zur Ideengeschichte des Schachproblems , p. 229, 1982
Input: Dieter Berlin, 2023-02-14
Last update: Dieter Berlin, 2023-02-14 more...
20 - P1409287
Frank Richter
9904 Schach 11 1982
P1409287
(7+9)
#2
1. Te4? droht 2. Dd4#, 1. ... Se6!
1. Tf4? Lg7!
1. Th4! Lg7 2. Sf4#
1. ... Se6 2. Lg2#
1. ... e5 2. Sf6#
play all play one stop play next play all
Erstling
SCHRECKE: C+, popeye 4.87 (2023-05-05)
comment
Keywords: Bahnung, white self-obstruction
Genre: 2#
FEN: 5n2/3ppn2/Kp5b/1P1k3N/1QR5/1p2p2B/8/B7
Input: Frank Richter, 2023-05-05
Last update: Frank Richter, 2023-05-05 more...
21 - P1409344
Frank Richter
1353 Hlas ludu 24/11/1983
4. ehrende Erwähnung
P1409344
(11+9)
#2
1. Tc5? droht 2. Se2#, 1. ... Lg6!
1. ... Tg6 2. Txf5#
1. Lc5? droht 2. Se2#, 1. ... Tg6!
1. ... Lg6 2. Ld6#
1. Sb6? droht 2. Se2#, 1. ... Sc5!
1. Tg6! droht 2. Txf5,Ld6#
1. ... Txg6 2. Txf5#
1. ... Lxg6 2. Ld6#
1. ... Sc5 2. Se2#
1. ... Lxd2 2. Lxd2#
play all play one stop play next play all
Henrik Juel: C+ Popeye 4.61 (2023-05-06)
comment
Keywords: theme A, Grimshaw, Nowotny, Unpinning, white self-obstruction
Genre: 2#
FEN: 8/K2N1pRb/n6r/R4p2/1B1N1k1P/3Pb1p1/3Q2Pn/3B4
Input: Frank Richter, 2023-05-06
Last update: Frank Richter, 2023-05-06 more...
22 - P1409750
Stephen Rothwell
1352 Landeszeitung für die Lüneburger Heide 20/11/1993
P1409750
(9+11) C+
#2
1. Sd5? cxd5!

1. Sg4? f1=S! 2. Dh4? 1. Sd1? De8! 2. Da1? 1. Sc4? d1=S! 2. Db4?

1. Sf1! d1=S 2. Db4#
1. ... exf1=S 2. De4#
1. ... De8 2. Da1#
play all play one stop play next play all
Im Ndr. Problemschach-Jahrbuch 1993 ist der Bc6 fälschlicherweise ein wB.
more ...
comment
Keywords: under-promotion (sS, zweifach), white self-obstruction (dreifach)
Genre: 2#
Computer test: Juel: Popeye 4.61
FEN: q7/3p3p/2p2p1B/1pN2R2/3k4/3PN2K/2RpppP1/4Q2n
Reprints: 42 Problemschach-Jahrbuch 1993 D , p. 22, 1993
Input: Dieter Berlin, 2023-05-17
Last update: Dieter Berlin, 2023-05-17 more...
23 - P1410259
Herbert Ahues
824 Neue Osnabrücker Zeitung 28/01/1995
P1410259
(9+9) C+
#2
1. Sb2? droht 2. Td3# 1. ... c1=S! 1. Sdf2? e1=S! 1. Sc5? axb4! 1. Sf4? Se5!

1. Sde5! e1=S 2. Lg1## 1. ... c1=S 2. Da1# 1. ... axb4 2. Da7# 1. ... Sxe5 2. Lxe5#
play all play one stop play next play all
more ...
comment
Keywords: white self-obstruction (Verführung), under-promotion (sS, doppelt)
Genre: 2#
Computer test: Juel: Popeye 4.61
FEN: K7/3p1n2/8/p2B2n1/QPPk2N1/1R1N4/2ppp2B/3q4
Reprints: 107 Problemschach-Jahrbuch 1995 D , p. 50, 1995
Input: Dieter Berlin, 2023-06-08
Last update: Dieter Berlin, 2023-06-08 more...
24 - P1410938
Hanspeter Suwe
1266 Landeszeitung für die Lüneburger Heide 21/03/1992
P1410938
(10+10) C+
#2
1. Tc5? b5! 1. Te5? De8! 1. Tf5? Le8! 1. Tg5? De8! 1. Dc6? Sxf4! 1. exf8=D? Lh8!

1. Th5! droht 2. Sb5#
1. ... b5 2. Dc5#
1. ... Le8 2. Sf5#
1. ... De8 2. Lxf6#
1. ... Td5 2. Txd5#
1. ... Lg5,Le5 2. De5#
1. ... Lxh5,Lf5 2. Sf5#
play all play one stop play next play all
more ...
comment
Keywords: Option key, white self-obstruction
Genre: 2#
Computer test: SCHRECKE: popeye 4.87
FEN: 1r1r1q2/2Q1P3/1p2Pbb1/R7/1Ppk1P1B/2N2pN1/3K2n1/8
Reprints: 11 Problemschach-Jahrbuch 1992 D , p. 14, 1993
Input: Dieter Berlin, 2023-07-15
Last update: Dieter Berlin, 2023-07-16 more...
25 - P1412679
Alexander Pituk
Ceskoslovensky Sach 1964
P1412679
(8+14) C+
#2
1. Dg7? Le4!
1. De5? Se4!
1. Dc3? Sd4!

1. Df6! droht Tb4#
1. ... Le4 2. Tg8#
1. ... Se4 2. Lxc7#
1. ... Sd4,d4 2. Dd8#
play all play one stop play next play all
more ...
comment
Keywords: Line opening (Schlüssel), white self-obstruction
Genre: 2#
Computer test: SCHRECKE: popeye 4.87
FEN: rk5K/p1p2p1b/B3N3/2Pp4/p2Q2R1/3p1nn1/rb5B/qR6
Reprints: 1848 Deutsche Schachblätter 1, p. 18, 01/1976
Input: Dieter Berlin, 2023-10-03
Last update: Dieter Berlin, 2023-10-03 more...
26 - P1412831
Bjärne Blikeng
1822 Deutsche Schachblätter 11, p. 266, 11/1975
P1412831
(8+12) C+
#2
1. Lc1? d2! 1. Lf4? Sf3! 1. Lh4? Sh3! 1. Lxe7? Lc1! 1. Le3? Se4! 1. Lh6? Df6! 1. Lf6? exf6!

1. Ld2! droht 2. Dg5#
1. ... Sf3 2. Df4#
1. ... Sh3 2. Sh4#
1. ... Se4 2. Lxe4#
1. ... Df6 2. Sh6#
1. ... Dh6 2. Sxh6#
1. ... Tf4 2. Dxf4#
play all play one stop play next play all
more ...
comment
Keywords: white self-obstruction (siebenfach), Square vacation (Schlüssel)
Genre: 2#
Computer test: SCHRECKE: popeye 4.89
FEN: 6Nq/1B1Kp3/6p1/4PkBp/3p4/b1np2Q1/4R1N1/5rnr
Input: Dieter Berlin, 2023-10-08
Last update: Dieter Berlin, 2023-10-08 more...
27 - P1412907
Hubert Gockel
7587 Die Schwalbe 133, p. 12, 02/1992
P1412907
(10+6) C+
#2
1. S6xe4? droht 2. Sf2# 1. ... Lc5!
1. S3xe4? droht 2. Sf2# 1. ... Lh4!
1. Txe4? droht 2. Td4# 1. ... Lf6!
1. fxe4? droht 2. Tf3# 1. ... Lg5!
1. Sc4? droht 2. Se5# 1. ... d6!

1. Sf7! droht 2. Se5#
1. ... d6 2. Db5#
1. ... Ld6 2. Dxe4#
1. ... exf3+ 2. Txf3#
play all play one stop play next play all
more ...
comment
Keywords: white self-obstruction, Line opening (b), Option key
Genre: 2#
Computer test: SCHRECKE: popeye 4.89
FEN: 4Q3/3pb3/3N4/8/n3pR2/r2k1PN1/2RP2K1/3B2B1
Input: Dieter Berlin, 2023-10-13
Last update: Dieter Berlin, 2023-10-13 more...
28 - P1413305
Jaques Fulpius
Journal de Geneve 1976
P1413305
(12+12) C+
#2
1. Lh3! Tc8 2. Sxd7# 1. Lxd7?
1. ... Se6 2. Sf7# 1. Lf7?
1. ... f5 2. g8=D# 1. Lg8?
1. ... g5 2. Tf5# 1. Lf5?
1. ... h4 2. Sg4# 1. Lg4?
1. ... Lxc5 2. Dxc5# 1. Ld5?
1. ... b4 2. Sc4# 1. Lc4?
1. ... Lc3 2. Dxc3# 1. Lb3?
1. ... La1 2. Dxa1# 1. La2?
play all play one stop play next play all
H. Henneberger: Neun Verführungen (w. Selbstbehinderungen) der Themafigur, absoluter Rekord.
more ...
comment
Keywords: white self-obstruction (neunfach), Zugzwang-Goal, discovered checkmate, Deckungsverlust
Genre: 2#
Computer test: Juel: Popeye 4.61
FEN: 3n3B/1prpK1P1/1NpRBppN/1pP1k2p/3b4/Q2Pp3/4P3/5R2
Reprints: 23 Schweizer Schachkompositionen 1976-1986 , p. 13, 1989
Input: Dieter Berlin, 2023-11-01
Last update: Dieter Berlin, 2023-11-01 more...
29 - P1413355
Josef Mettler
Tages-Anzeiger 1975
P1413355
(8+11) C+
#2*
* 1. ... Sc7 2. Txc7#

1. La3? Tf5! 1. Lb4? Tf5! 1. Le7? Sb6! 1. Lb8? Sf5!

1. Lf8! droht 2. Dd5#
1. ... Tf5 2. Sb4#
1. ... Sf5 2. Se5#
1. ... Td4 2. Dc5#
1. ... Sc7 2. Td6#
1. ... Sb6 2. Se7#
play all play one stop play next play all
more ...
comment
Keywords: Option key, Changed mates, Blocknutzung, Line closing, white self-obstruction
Genre: 2#
Computer test: SCHRECKE: popeye 4.89
FEN: n1N5/1p1R2pK/2kBP3/1p4Q1/5r1n/3N3p/r1b5/2R3b1
Reprints: 80 Schweizer Schachkompositionen 1976-1986 , p. 33, 1989
Input: Dieter Berlin, 2023-11-04
Last update: Dieter Berlin, 2023-11-05 more...
Show statistic for complete result. Show search result faster by using ids.

https://pdb.dieschwalbe.de/search.jsp?expression=COMMENTDATE%3E%3D20220810+AND+NOT+S%3D%27Arbeiter-Zeitung+%28Wien%29%27+AND+K%3D%27Selbstbehinderung%2C+wei%C3%9Fe%27

The problems of this query have been registered by the following contributors:

Brian Stephenson (8)
Felber, Volker (6)
Dieter Berlin (13)
Frank Richter (2)