Die Schwalbe

53 problem(s) found in 3502 milliseconds (displaying 53 problem(s)). [COMMENTDATE>=20200919 AND NOT K='Hilfsrückzüger' AND NOT K='Königswanderung' AND A='Jordan, Gunter'] [download as LaTeX]

1 - P1007739
Gunter Jordan
9061 Die Schwalbe 156 12/1995
P1007739
(7+3)
h#2
wDU=Grashüpfer
2.1...
Madrasi rex inclusive
1) 1. Ld8 exd8=T 2. Td5 Gd4#
2) 1. Tf8 exf8=L 2. Lb4 Ga3#
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"Hübsche Paralysierungs-Brückenbauten, die mit dem #-Sprung des G erst wirksam werden!" (MS) "Die unterverwandelten L und T lähmen, wobei einmal der L und das andere Mal der K als Sprungstein dienen." (RobS)
wDU=Grashüpfer
Anton Baumann: C+ Alybadix (2023-06-29)
comment
Keywords: Madrasi
Pieces: du = Grasshopper (G)
Genre: Fairies
FEN: 8/4P3/P2*2Q4/b4r2/8/4PP2/PK6/k7
Input: Gerd Wilts, 2003-06-29
Last update: Gunter Jordan, 2023-10-04 more...
2 - P1094532
Gunter Jordan
3146 Schach-Aktiv 04/2006
P1094532
(5+4) C+
s#12
1. Sf5+! Ke4 2. Td4+ Ke5 3. Td6+ Ke4 4. Sg3+ Ke3 5. Td1 h5 6. Sxh5 Ke4 7. Sg3+ Ke3 8. Sf5+ Ke4 9. Td4+ Ke5 10. Td6+ Ke4 11. Sg3+ Ke3 12. Td1 Sc2#
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Moldenhauer: Computerprüfung: C+ Gustav 4.1d in 1 Tag 31 Min. (2022-07-22)
comment
Keywords: Tempo Winning Manouevre, Checking key, Selfblock, Model mate
Genre: s#
FEN: 8/8/7p/8/8/1p2k1N1/1B6/n2RKR2
Input: Frank Müller, 2009-11-20
Last update: Marcin Banaszek, 2022-07-30 more...
3 - P1102766
Gunter Jordan
228 Opfer-Opfer-Matt 10/2005
P1102766
(10+9) C+
h#18
0.1...
1. ... Kh2 2. Lf1 b3 3. Lg2 b4 4. Lxh1 Kxh1 5. Ka7 Lh2 6. Kb8 Kg1 7. Kc8 Kf1 8. Kd8 Ke1 9. Ke8 Kd1 10. Kf8 Kc1 11. Kg7 Kb2 12. Kf6 Kc3 13. Ke5 Kxd3 14. Kxd5 Ke3 15. Kxc6 Kf4 16. d5 Kxg4 17. Kd6 Kf5 18. c6 g4#
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Anton Baumann: C+ Gustav 4.1d (2021-03-29)
Henrik Juel: Position is legal, but Lg1 is a promoted pawn (2021-03-29)
comment
Keywords: Obvious promotion, Non-standard material (L)
Genre: h#
FEN: 8/2p1p3/1kPpP3/1p1P4/6p1/3p1pP1/1P1PbPK1/6BN
Input: Frank Müller, 2010-04-06
Last update: James Malcom, 2021-03-29 more...
4 - P1104076
Gunter Jordan
9172 feenschach 01-03/2005
nach Frank Müller
P1104076
(7+3)
s#13
1. La5 Kg3 2. Lc7+ Kh3 3. Sd6 Kg3 4. Sf7+ Kh3 5. Se5 Kg3 6. Sd3+ Kh3 7. La5 Kg3 8. Le1+ Kh3 9. Ld2 Kg3 10. Lf4+ Kh3 11. Le3 Kg3 12. Lf2+ Kh3 13. Df3+ Sxf3#
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SCHRECKE: vergleiche: P1088240, P1088243 (2021-01-04)
comment

Genre: s#
FEN: 4N3/8/6P1/7Q/2PP3n/7k/6p1/4B1K1
Input: Frank Müller, 2010-04-27
Last update: Gerd Wilts, 2021-01-04 more...
5 - P1107477
Gunter Jordan
88 Opfer-Opfer-Matt 01/2002
P1107477
(8+5)
#6
1. Le3! fxe3 2. Ke1 e2 3. f4 exf4 4. Kxe2 f3+ 5. Ke3 f2 6. Td4#
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Henrik Juel: C+ Popeye 4.61 (2022-11-08)
comment
Keywords: Stalemate dissolution, Sacrifice key, Provoked check
Genre: n#
FEN: 8/8/8/1pB1p3/1Pk1Pp2/P1pR1P2/2P2K2/8
Reprints: 172 Problemschach-Jahrbuch 2002, p. 76, 03/2003
Input: Gunter Jordan, 2010-06-07
Last update: Gunter Jordan, 2022-11-09 more...
6 - P1137010
Gunter Jordan
1385 Rochade Europa 07/1997
P1137010
(4+2) C+
#10
Köko
1. Sa1 Kxa1 2. Lxa2 Kb1 3. Lc4 Kc2 4. Sc5 Kc3 5. Lb5 Kb4,Kd4 6. Sb7 Ka4,Kc4 7. Kc7 Kb4 8. La6 Kb5 9. Sd8 Ka5 10. Sc6#
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SCHRECKE: C+, popeye 4.85 (2020-10-09)
comment
Keywords: Miniature Collection (0074230), Schlüssel = Eckzug, Köko
Genre: Fairies
FEN: 2K3B1/8/8/8/8/1N1N4/p7/1k6
Input: Felber, Volker, 2010-09-11
Last update: Marcin Banaszek, 2020-10-12 more...
7 - P1139236
Gunter Jordan
69 Die Schwalbe 238, p. 193, 08/2009
Klaus-Peter-Zuncke-Gedenkturnier
3. Preis
PR Martin Minski
P1139236
(4+3)
#4
2.1...
1. Ld5-f7+!
1. Ld5-c6+!
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Gunter Jordan: Preisrichter Martin Minski: "„Gedenkkreuz“ mit thematischer Doppelsetzung in Zweispännerform und das als Miniatur! Die thematische Verführung 1.Le6+? Ke4 2.Tf7 Kf3 3.Ld5+ Kg4 4.Tg7+ Kh~ scheitert daran, dass der sK auf der rechten Seite zu viel Platz besitzt. Deshalb besser: 1.Lc6+! Kc4 2.Tb7 (droht 3.Txb5 nebst 4.Tb4#) Kb3 3.Ld5+ Ka4 4.Ta7# mit Mustermatt. Die zweite asymmetrische Lösung lautet: 1.Lf7+ Ke4 2.Ke2 b4 3.Lh5 (droht 4.Lf3#) f4 4.Lg6#. Dieser Läufertanz ist auf der linken Seite aus Platzgründen nicht möglich: 1.Lb7? Kc4 2.Kc2 f4 3.L?." (2012-03-17)
SCHRECKE: C+, Gustav 4.1d, Brute Force (2021-02-01)
comment
Keywords: Miniature Collection (0356029), Symmetrical position, Asymmetrical solution, Miniature, Checking key, Symbol problem (Kreuz)
Genre: n#
FEN: 8/3R4/8/1p1B1p2/3k4/3N4/3K4/8
Reprints: C108 ASymmetrie 2013
Input: Felber, Volker, 2010-09-11
Last update: Gunter Jordan, 2023-01-10 more...
8 - P1144303
Gunter Jordan
3262 Freie Presse (Chemnitz) 03/01/1992
P1144303
(4+3) C+
#2
1. Ke6? b6 2. Dc3# 1. ... e4!

1. Da2? Kb4 2. Da3# 1. ... e4!

1. Da4! Kd5 2. Dc4#
1. ... e4 2. Dd4#
1. ... Kb6 2. Da7#
1. ... b6 2. Dc4#
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A10-33-
more ...
comment
Keywords: Miniature Collection (0017009), Flight-giving key, Zugzwang-Goal, Blocknutzung, Miniature
Genre: 2#
Computer test: SCHRECKE: popeye 4.87
FEN: 8/1p1K4/8/QNk1p3/8/8/4B3/8
Reprints: 378 Problemschach-Jahrbuch 1992 D , p. 174, 1992
Input: Felber, Volker, 2010-09-11
Last update: Dieter Berlin, 2022-11-14 more...
9 - P1148596
Gunter Jordan
3426 Freie Presse (Chemnitz) 09/07/1993
P1148596
(3+3)
#2
* 1. ... f4 2. Dd5#
* 1. ... Te5 2. Db4#

1. Sc4! droht 2. Sd2#
1. ... f4 2. Dd3#
1. ... Te5 2. Dxe5#
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C4-24DD 2MW
vf: b1=a1, Stefan Dittrich, 23.12.1982, Wetscherni Charkow = P1139627
Henrik Juel: C+ Popeye 4.61 (2020-10-13)
comment
Keywords: Miniature Collection (0020347), Changed mates, Miniature
Genre: 2#
FEN: 8/4r3/3Q4/5p2/4k3/4N3/4K3/8
Input: Felber, Volker, 2010-09-12
Last update: Gunter Jordan, 2020-10-13 more...
10 - P1176589
Gunter Jordan
12660 Schach 03/1992
P1176589
(10+4) C+
s#5
1. Dd4! a5 2. b8=T a4 3. Sh7+ Kf7 4. Dd7+ Te7 5. Tc8 Txd7#
1. ... a6 2. b8=S a5 3. Sa6 a4 4. Dd6+ Te6 5. Sc7 Txd6#
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SCHRECKE: C+, Gustav 4.1d, Brute Force (2021-11-11)
comment
Keywords: Pawn step variations, Exchange of Promotions
Genre: s#
FEN: 3KR3/pP6/5k1B/4rbNP/4P3/P1Q2R2/8/8
Input: Frank Müller, 2010-09-16
Last update: Marcin Banaszek, 2021-11-11 more...
11 - P1176593
Gunter Jordan
13847 Schach 07/1997
P1176593
(4+4) C+
s#5
1. Sd3 e5 2. De1+ Kc2 3. Sf2 e4 4. Db4 e3 5. Db2+ axb2#
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more ...
comment
Keywords: Interchange
Genre: s#
Computer test: Gustav 4.1d
FEN: 8/8/4p3/8/1N1p4/p7/P4Q2/K2k4
Input: Frank Müller, 2010-09-16
Last update: Arnold Beine, 2021-04-03 more...
12 - P1176595
Gunter Jordan
14310 Schach 07/1999
P1176595
(5+8)
s#2
1. De3? Txf6 A / Te6 B 2. Dc1+,De1+, aber 1. ... Td6! C
1. De2? Te6 B / Td6 C 2. De1+,Dd1+, aber 1. ... Txf6! A
1. Dc2? Td6 C / Txf6 A 2. Dd1+,Dc1+, aber 1. ... Te6! B
1. Dd2 Txf6 2. Dc1+ Txc1#
1. Dd2 Te6 2. De1+ Txe1#
1. Dd2 Td6 2. Dd1+ Txd1#
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SCHRECKE: C+, popeye 4.89 (2023-11-23)
comment
Keywords: benachbarte Felder, Cycle
Genre: s#
FEN: 8/2p5/1pr2B2/1Rp5/2p5/2r4p/5Q1R/k6K
Input: Frank Müller, 2010-09-16
Last update: Frank Müller, 2010-09-16 more...
13 - P1176604
Gunter Jordan
1656 The Ural's Problemist 07-09/2001
5. Lob
P1176604
(9+3) C+
s#7
1. Sg3! droht 2. g5+ fxg5 3. hxg5+ Lxg5 4. Tf6+ Lxf6 5. Dg7+ Lxg7#
1. ... La3! 2. Db3 Lb4 3. Dc3 La5 4. Dd2+ Lxd2 5. g5+ fxg5 6. hxg5+ Lxg5 7. Tf6+ Lxf6#
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SCHRECKE: C+, Gustav 4.1d, Brute Force (2020-12-16)
comment
Keywords: Multiple publication, Change of Sacrifices
Genre: s#
FEN: 6BK/5Q2/5p1k/2P2R1P/4N1PP/8/8/2b5
Reprints: 1251 harmonie 09/2006
Input: Frank Müller, 2010-09-16
Last update: Marcin Banaszek, 2020-12-21 more...
14 - P1176610
Gunter Jordan
347 harmonie 09/1997
3. Lob
PR Manfred Seidel
P1176610
(9+5) C+
s#5
1. La2 a6 2. Sd5 axb5 3. Tf1 b4 4. Tf6 b3 5. Lb1 b2#
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more ...
comment
Keywords: Corner mate, Pawn mate, Interchange (zyklisch LST)
Genre: s#
Computer test: Gustav 4.1d
FEN: 8/p5B1/5N1P/pP1B4/p7/k2pP3/3P4/KR6
Input: Frank Müller, 2010-09-16
Last update: Arnold Beine, 2021-04-04 more...
15 - P1176614
Gunter Jordan
5602 Problemkiste 04/2002
P1176614
(7+7) C+
s#6
1. Se5 g4 2. Sf7+ Ke8 3. Sg5+ Kd8 4. Kxg4 hxg5 5. g8=S h6 6. Lg3 d5,d6#
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more ...
comment

Genre: s#
Computer test: Gustav 4.1d, Brute Force
FEN: 2bk4/1p1p2Pp/1P1B3p/5KpB/6N1/5P2/8/8
Input: Frank Müller, 2010-09-16
Last update: Marcin Banaszek, 2021-02-12 more...
16 - P1176615
Gunter Jordan
1770 Die Welt 11/05/2001
P1176615
(9+5) C+
s#6
1. Lc6 b5 2. Dc5 Lb6 3. Dd6+ exd6 4. g8=D+ Ke7 5. Df7+ Kd8 6. Dc7+ Lxc7#
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SCHRECKE: C+, Gustav 4.1d, Brute Force (2021-03-06)
comment

Genre: s#
FEN: RK1k4/PP2p1P1/1p2P3/bB3Q2/1p6/1P6/8/8
Input: Frank Müller, 2010-09-16
Last update: James Malcom, 2021-03-06 more...
17 - P1176630
Gunter Jordan
148 Problem-Forum 12/2004
Lob
PR Johannes Quack
P1176630
(13+7) C+
s#7
1. Lb7?? droht 2. Lxc8+ Txc8#
1. Sd4+? Ke5 2. f4+ exf3ep 3. Se6+ Txc3!
1. Da4! Txa4 2. Sd4+ Ke5 3. f4+ exf3ep 4. Se6+ Kxe6 5. Te2+ fxe2 6. Lb7 ... 7. Lxc8+ Txc8#
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more ...
comment
Keywords: Staggered preplans
Genre: s#
Computer test: SCHRECKE: Gustav 4.1d
FEN: r1b1K3/p7/4kp2/2P2N2/1PP1p1P1/r1BP4/5P1R/3Q1R1B
Input: Frank Müller, 2010-09-16
Last update: Dieter Berlin, 2023-01-10 more...
18 - P1196784
Gunter Jordan
209 Pat a Mat 71 06/2010
P1196784
(2+2)
h#3
2 Lösungen
Vogtländerschach
Weißer Längstzüger
1. c1=L Sa3 2. Lxa3 Kb6 3. Kb2 Kc5#
1. Kd3 Sd2 2. Kxd2 Kb4 3. c1=L Ka3#
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Henrik Juel: C+ Popeye 4.61 (2023-01-19)
comment
Keywords: Echo, Maximummer (Weiss), Promotion key, under-promotion, Vogtländer Chess
Genre: h#, Fairies
FEN: 8/8/8/K7/2N5/2k5/2p5/8
Input: Gunter Jordan, 2011-06-03
Last update: A.Buchanan, 2024-01-18 more...
19 - P1196955
Gunter Jordan
4979 Ideal-Mate Review 42 10-12/1991
P1196955
(2+4)
h#2
b) sLd6->f6
c1=Heuschrecke
a) 1. f1=T Kd3 2. Tf4 HExf4-g5# b) 1. f1=L Kf3 2. Lc4 HExc4-c5#
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Henrik Juel: C+ Popeye 4.61 (2022-06-29)
comment
Keywords: Echo, Ideal mate, Miniature, under-promotion (T,L), Minimal (HE)
Pieces: dl = Locust (HE)
FEN: 8/8/3bp3/4k3/8/4K3/5p2/2*3Q5
Input: Gunter Jordan, 2011-06-05
Last update: Gunter Jordan, 2022-06-29 more...
20 - P1201996
Gunter Jordan
3035 Problemkiste 82 08/1992
P1201996
(9+11) C+
a) s#2
b) s#3, sKb7->d1
c) s#4, sKb7->h7
d) s#5, sKb7->h8
a) 1. c8=T Ka6 2. Tb8 Th6#
b) 1. c8=D Ke1,Ke2 2. Dc3 Kd1,Ke2 3. De3,Dc1 Th6#
c) 1. c8=S Kh8 2. Sb6 Kh7 3. Sd7 Kh8 4. Sxf8 Th6#
d) 1. c8=L Kh7 2. Lcd7 Kh8 3. Le8 Kh7 4. L8f7 Kh8 5. Lg8 Th6#
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SCHRECKE: a)-d): C+, Gustav 4.2a, Brute Force (2022-03-16)
comment
Keywords: Allumwandlung, Promotion key, under-promotion, Stipulation change
Genre: s#
FEN: 5b2/1kP1p1p1/4Bpr1/p2P1QpK/p5P1/Pp6/1P4p1/6B1
Reprints: Springaren (64), p. 49, 03/1996
Input: Gunter Jordan, 2011-09-07
Last update: Rainer Staudte, 2023-01-19 more...
21 - P1202547
Harald Grubert
Gunter Jordan

harmonie 98 06/2009
1. Lob
19. TT Sachsentreffen 2009
PR Andreas Schönholzer
P1202547
(4+5)
h#3
0.2.1...
1. ... Td8 2. Kxd3 Lf5+ 3. Ke3 Td3#
1. ... Txg4 2. Kf3 Tg1 3. Te3 Lg4#
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SCHRECKE: C+, popeye 4.85 (2021-02-01)
comment
Keywords: Exchange of roles, Model mate
FEN: 6R1/3B4/8/8/5bp1/3Pk3/4rp2/1K6
Input: Gunter Jordan, 2011-09-15
Last update: Gunter Jordan, 2021-02-01 more...
22 - P1235014
Gunter Jordan
M28 Problemkiste (199/200) 03/2012
P1235014
(7+8) C+
s=6
1. Dd4 droht 2. Ta2+ bxa2+ 3. Ka1 droht 4. Txb6 ... 5. Tb2 droht 6. Dg7 Lxg7=
5. ... Lg7 6. Dc3+ Lxc3=
3. ... Lg7 4. Db2+ Lxb2+ 5. Txb2 ... 6. Tb3+ Kxb3,axb3=
1. ... b2 2. Tc2 droht 3. Dg7 Lxg7 4. Tc3+ Lxc3 5. Tb3+ Kxb3,axb3=
2. ... Lg7 (Umnow II) 3. Dc3+ Lxc3 4. Txb6 Lb4,L~ 5. Tc3+ Lxc3 6. Tb3+ Kxb3,axb3=
1. ... Lg7? 2. Da1+ Lxa1 3. Tb2 Lxb2 4. Txb3+ Kxb3,axb3= (leider ein Kurzspiel, denn dies ist mit Abstand die interessanteste Variante)
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more ...
comment

Genre: Fairies
Computer test: Anton Baumann: C+ Gustav 4.1d (2021-02-09)
FEN: 5b2/4p3/1p1pP3/1R1P2p1/p5P1/kpQ5/5R2/1K6
Input: Erich Bartel, 2012-03-23
Last update: Erich Bartel, 2021-02-10 more...
23 - P1258837
Gunter Jordan
Stern 22, p. 165, 05/1998
P1258837
(5+7) C+
#7
1. Tc3+ Kd4 2. Txa3+ Kc4 3. Tc3+ Kd4 4. Tg3+ Kc4 5. Le5! dxe5 6. Sb2+ Kd4 7. Td3#
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Rosalie Fay: 4. Tf3+ (Tg3+? Kc4 5. Tc3+ #9; 5. Le5?? Da8#!)
C+ Stockfish 16 in Lichess (2024-02-05)
comment
Keywords: Block guiding, Remote selfblock, Logical Problem, Round Trip, Line closure
Genre: n#
FEN: 8/8/3p1N2/2p5/K1k5/pR6/5p2/B2N1n1q
Input: Gunter Jordan, 2013-01-09
Last update: Gunter Jordan, 2013-01-09 more...
24 - P1259991
Gunter Jordan
3210 idee & form , p. 3883, 01/2013
4. Lob
Informalturnier 2012/13
PR Volker Gülke
P1259991
(8+7) C+
s#5
2 Lösungen
1) 1. Sh6! Lxf6,Lg5 2. Dh5+ Lh4 3. Txe2 dxe2 4. Sg4 d3 5. Sf2+ gxf2#
2) 1. Te7! Lxf6,Lg5 2. Th7+ Lh4 3. Sxh2 Kxh2 4. Txh4+ Kg1 5. Df2+ gxf2#
play all play one stop play next play all
SCHRECKE: C+, Gustav 4.1d, Brute Force (2021-01-04)
comment
Keywords: Exchange of roles, Change of Sacrifices, Pawn mate, Model mate (in 1)
Genre: s#
Computer test: C+, Gustav 4.1d, Brute Force
FEN: 8/8/4RP2/8/3p2Nb/3p1Qpk/3Pp1Np/4K2B
Input: Felber, Volker, 2013-01-18
Last update: Marcin Banaszek, 2021-01-07 more...
25 - P1260893
Gunter Jordan
405 Troll 25 25/11/1998
P1260893
(8+5)
#2
1. Se6! droht 2. Sg7#
1. ... Kxe6 2. Dd7#
1. ... fxe6 2. Dh7#
1. ... Sxe6 2. Dxf7#
1. ... Txe6 2. De4#
1. ... Lxe6 2. Db1#
play all play one stop play next play all
SCHRECKE: C+, popeye 4.85 (2021-05-18)
comment
Keywords: x pieces defend on one square (5), Line closing, Line opening, Flight giving sacrifice key, x pieces capture on one square (5)
Genre: 2#
FEN: 3n1N2/1Q3p2/2r5/4Pk1P/3R1P1K/1bP5/8/8
Reprints: I Phénix 312, p. 12134, 11/2020
Input: Felber, Volker, 2013-01-25
Last update: Gunter Jordan, 2021-05-18 more...
26 - P1268523
Gunter Jordan
12680v Springaren 127 03/2013
6. ehrende Erwähnung
PR Kjell Widlert
P1268523
(10+10)
s#3
1. De8! droht 2. Taxc3+ Lxc3 3. Sxa5+ Txa5#
1. ... g5 2. Sb6+ (2.Se5#?) Dxb6 3. Db5+ Dxb5#
1. ... Ld5 2. Se5+ (2.Sb6#?) Txe5 3. Dc6+ Lxc6#
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Dies ist die optimierte Fassung. Der wTa3 stand zuvor auf d3 und auf a3 stand ein zusäztlicher wB. Die Verbesserung erschien in Springaren 168, Seite 177.
Henrik Juel: C+ Popeye 4.61 also (2023-12-19)
comment
Keywords: theme A (s), Dual avoidance, Bivalve, Pinning, Sacrifice of white pieces
Genre: s#
Computer test: Popeye WINDOWS-32Bit V4.37 (168116 KB)
FEN: Q7/1N1N1b2/6pq/p6r/K1k1PP1p/R1p1P3/2R1Pp2/4b3
Input: Frank Müller, 2013-04-26
Last update: Gunter Jordan, 2023-12-19 more...
27 - P1276391
Gunter Jordan
9994 feenschach 04-06/2010
1. ehrende Erwähnung
PR Hartmut Laue
P1276391
(8+8) C+
s#7
1. Ke8! droht 2. Dd8 ... 3. Dxe7+ Lxe7#
1. ... f5 2. e5 Tg6 3. Td8 h6 4. Td6+ Kxe5 5. Td7+ Td6 6. Dd4+ Ke6 7. Sg7+ Lxg7#
3. ... Thg8 4. Td6+ Kxe5 5. Td7+ Td6 6. Dd4+ Ke6 7. Txe7+ Lxe7#
play all play one stop play next play all
SCHRECKE: C+, Gustav 4.1d, Brute Force (2021-01-07)
comment

Genre: s#
Computer test: C+, Gustav 4.1d, Brute Force
FEN: 2RK1brr/2B1pp1p/2P1kp2/7N/4P3/2PQ4/8/8
Input: Frank Müller, 2013-08-13
Last update: Marcin Banaszek, 2021-01-13 more...
28 - P1289303
Gunter Jordan
12966 Springaren (131) 03/2014
P1289303
(6+13) C+
s#8
1. Dxb3+? Ke4!
1. Sg5 droht 2. Dxb3+ Lxb3#
1. ... Sc2! 2. Dc6 droht 3. Dxc2+ bxc2#
2. ... Se1 3. De6 droht 4. Dxb3+
3. ... Sc2 4. Dxf5+ Kc4 5. De6+ Kd3 6. Dg6+ Kc4 7. Dc6+ Kd3 8. Dxc2+ bxc2#
5. ... Kc5 6. Dd6+ Kc4 7. Dc6+ Kd3 8. Dxc2+ bxc2#
play all play one stop play next play all
more ...
comment

Genre: s#
Computer test: Gustav 4.1d
FEN: 8/6b1/4N3/1p1QPp2/bp1p4/pp1kp3/1P1p4/rN1Kn3
Input: Frank Müller, 2014-10-17
Last update: Arnold Beine, 2021-04-07 more...
29 - P1304998
Gunter Jordan
13346 Springaren (136) 06/2015
P1304998
(7+4) C+
s#7
2 Lösungen
1) 1. c8=S+ Ke6 2. g8=D+ Tf7 3. Sd6 Kf6 4. Se4+ Ke6 5. Dxg6+ Tf6 6. Ke8 Txg6 7. Dg8+ Txg8#
2) 1. c8=T Ke6 2. Te5+ Kd6 3. Txg5 Ke6 4. d5+ Kd6 5. Df6+ Te6 6. g8=D Txf6 7. Df8+ Txf8#
play all play one stop play next play all
SCHRECKE: C+, Gustav 4.1d, Brute Force (2020-11-15)
comment
Keywords: Echo, Exchange of Promotions, under-promotion key, konsekutive Umwandlungen 2 (SD, TD), Checking key (in 1), Antiphönix, Promotion (D)
Genre: s#
FEN: 3K1Q2/2P1r1P1/3k2p1/2R3p1/3P2P1/8/8/8
Input: Frank Müller, 2015-07-03
Last update: Gunter Jordan, 2023-12-29 more...
30 - P1309515
Gunter Jordan
683 mpk-Blätter 09/2015
P1309515
(3+1) C+
ser-h=15
Sentinelles
1. Ka7 2. Kb8(+sBa7) 3. a5 4. a4 5. a3 6. a2 7. a1=L 8. Lxd4 9. Lb6(+sBd4) 10. d3 11. d2 12. d1=T 13. Ta1 14. Ta8 15. La7(+sBb6) Kd7(+wBc6)=
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more ...
comment
Keywords: Sentinels, Seriesmover, Kindergarten Problem, Miniature
Genre: Fairies
Computer test: Jacobi
FEN: 1k6/8/2K5/1P6/3P4/8/8/8
Input: Frank Müller, 2015-09-13
Last update: Arnold Beine, 2022-09-11 more...
31 - P1349130
Gunter Jordan
3992 Best Problems 86 04/2018
P1349130
(6+4) C+
s#3
AMU
wDR=Equihopper
1. Td2? (Z) d5? 2. Td3 d4 3. E4g2 hxg2#, aber 1. ... d6!
1. Td4! (Z) d6 2. Te3 d5 3. E8g2 hxg2#
1. ... d5 2. Td3 d4 3. E4g2 hxg2#
play all play one stop play next play all
more ...
comment
Keywords: Pawn mate, Corner mate, Model mate, Pawn step variations
Pieces: dr = Equihopper (E)
Genre: Fairies
Computer test: Popeye Windows-64Bit v4.75 (1024 MB)
FEN: *1Q3R3/3p4/3R4/8/*1Q7/7p/5p1P/5k1K
Input: Gunter Jordan, 2018-04-12
Last update: James Malcom, 2020-09-28 more...
32 - P1350382
Gunter Jordan
1650 Gaudium 24/05/2018
5. Lob
PR Franz Pachl
P1350382
(5+2)
#8
1. Sh5! Kxh5 2. e3! (e4?) Kh4 3. Kf4 Kh5 4. Ld3 Kh4 5. Lf5 Kh5 6. e4 Kh4 7. Lg4 h5 8. g3#
play all play one stop play next play all
Anton Baumann: C+ Gustav 4.1d (2021-03-25)
comment
Keywords: Flight giving and taking key, Miniature, Line opening, Minimal (b), Sacrifice key, Dual avoidance, Pawn step variations
Genre: n#
FEN: 8/8/7p/5K2/5N1k/8/4P1P1/5B2
Input: Rainer Staudte, 2018-05-26
Last update: Gunter Jordan, 2019-12-22 more...
33 - P1382408
Thierry Le Gleuher
Gunter Jordan
Raúl Jordan
Roberto Osorio

15 feenschach 237, p. 224, 09-10/2019
P1382408
(12+11) C+
BP in 9.5
1. d4 a5 2. d5 a4 3. d6 a3 4. dxc7 axb2 5. cxb8=D bxc1=D 6. Dxc8 Dg5 7. Dc4 Dxg2 8. Dxf7+ Kxf7 9. Lxg2 Ke8 10. Lf1
play all play one stop play next play all
Silvio-Baier-40-JT: Thema: Gesucht waren eindeutige orthodoxe Beweispartien mit weißer und schwarzer Homebasestellung, wobei auf jeder Seite ein Bauer umwandeln und von einer Figur (keinem Bauern) geschlagen werden sollte und zudem genau ein Stein eine zweizügige Rückkehr vollführt.
A.Buchanan: Can anyone send me the full results of this JT please? I have an unpublished one which is similar in theme, and I want to confirm that I’m not anticipated. I will load all problems into PDB if they’re not already here (2020-11-26)
comment
Keywords: Unique Proof Game, Homebase (2), Prentos Theme (Dd), Switchback (Lk), Ceriani-Frolkin Theme (Dd)
Genre: Retro
FEN: r2qkbnr/1p1pp1pp/8/8/8/8/P1P1PP1P/RN1QKBNR
Input: Gunter Jordan, 2020-11-25
Last update: A.Buchanan, 2021-02-20 more...
34 - P1382736
Gunter Jordan
4526v idee & form 147, p. 4997, 07/2020
P1382736
(2+6)
h#7
1. d3-d2 Kxg2 2. d1=D Kh1 3. Df3+ Kg1 4. Df6 exf6 5. d4 f7 6. d3 f8=D 7. d3-d2 Df1#
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Meeraner, farbvertauschte Form, Themafiguren: sB & sB

Die hier vorliegende Fassung ist bereits die korrigierte Stellung. E. Fomichev stellte fest, dass der sBg4 überflüssig ist. Er wurde in i&f 149 (01/2021), Seite 5045 gestrichen.
Henrik Juel: C+ Popeye 4.61 also (2021-01-29)
comment
Keywords: Minimal (B), Kindergarten Problem, Phoenix (gemischtfarbig), Antiphönix, Promotion (D), Selfblock, Tempo Move, Round Trip (K-3), Meerane-Thema
Genre: h#
Computer test: Popeye WINDOWS98-32Bit-Version 3.77 (8192KB)
FEN: 8/8/4p3/3pP3/8/3p2p1/6p1/4k1K1
Input: Felber, Volker, 2020-12-04
Last update: Gunter Jordan, 2022-04-26 more...
35 - P1383054
Gunter Jordan
4458 Best Problems 96 10/2020
P1383054
(9+4) C+
h#3
2.1...
1) 1. Dxc4 exf5 (c6?) 2. Dxd5 Tb4 3. Dxc5 Txc5#
2) 1. Dxd5 c6 (exf5?) 2. Dxe4 Tb5 3. Dxc4 Txc4#
play all play one stop play next play all
SCHRECKE: Auf f4 muss ein wT stehen! (2020-12-16)
Gunter Jordan: Danke für den Hinweis. Hab's gleich geändert. (2020-12-16)
comment
Keywords: Dual avoidance, Exchange of roles (T-T), Line opening, Model mate
Genre: h#
Computer test: Popeye Windows-64Bit v4.79 (4096 KB)
FEN: 8/8/4P3/2PPRp2/2PqPR2/5P2/4p3/2k1K3
Input: Gunter Jordan, 2020-12-16
Last update: Gunter Jordan, 2020-12-16 more...
36 - P1386840
Gunter Jordan
8838 Phénix 310-311 09-10/2020
P1386840
(2+3) C+
h#2
2.1...
wDR=Adler
Andernachschach
1) 1. g4 ADg5 2. Txg5[=wT] Th5#
2) 1. Tg6-h6 ADg6 2. Txg6[=wT] Tg6-h6#
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gemischtfarbiger Meeraner, Themafiguren: wT & sT (in b)
Erstdarstellung eines gemischtfarbigen Meeraners im h#2 -Tanagra.
Henrik Juel: I see no Holst promotion, as there are no promotions (2021-02-26)
James Malcom: Fixed. (2021-02-27)
comment
Keywords: Meerane-Thema, Minimal (AD), Model mate, Umnov
Pieces: dr = Eagle (AD)
Genre: Fairies
Computer test: Popeye Windows-64Bit v4.79 (4096 KB)
FEN: 7k/5K2/6r1/6p1/7*1Q/8/8/8
Input: Gunter Jordan, 2021-02-26
Last update: James Malcom, 2021-02-27 more...
37 - P1387575
Gunter Jordan
14709 Springaren 156 12/2020
P1387575
(2+7) C+
h#6
1. b3 Kd4 2. b4 Kc4 3. b5+ Kxb4 4. b6 Kxb3 5. Ka5 Ka3 6. La6 b4#
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PAS-Läufer-Hilfsmatt

Hierzu gibt es eine Weiterentwicklung, siehe P1398481.
Yuri Bilokin: the idea is not new P0514053 (2023-08-15)
comment
Keywords: Pawn mate, Pawn step variations, Minimal (B), Model mate, Selfblock, Umnov
Genre: h#
Computer test: Popeye Windows-64Bit v4.79 (4096 KB)
FEN: 2b5/1p1p4/kp6/1p1K4/1p6/8/1P6/8
Input: Gunter Jordan, 2021-03-19
Last update: Gunter Jordan, 2022-01-17 more...
38 - P1388631
Silvio Baier
Gunter Jordan
Raúl Jordan
Roberto Osorio

154 feenschach 237, p. 238, 09-10/2019
P1388631
(11+12) C+
BP in 9.0
1. f4 a5 2. f5 a4 3. f6 a3 4. fxg7 axb2 5. gxf8=S bxc1=D 6. Se6 Dxb1 7. Sxd8 Dxa2 8. Txa2 Kxd8 9. Ta1 Ke8
play all play one stop play next play all
Silvio-Baier-40-JT: Thema: Gesucht waren eindeutige orthodoxe Beweispartien mit weißer und schwarzer Homebasestellung, wobei auf jeder Seite ein Bauer umwandeln und von einer Figur (keinem Bauern) geschlagen werden sollte und zudem genau ein Stein eine zweizügige Rückkehr vollführt.
A.Buchanan: Excelsior is never a feature for proof games. particularly distinguishing white from black excelsiors is meaningful for d#, s# & possibly h#. Under-promotions are meaningless for proof games, and makes search much harder. More is less for tags. Maybe we can have "theme or derived" feature like in WinChloe in future which would allow these things to be derived, but they should not form part of the core tagging. I am concerned that there is some LaTeX file somewhere where these nonsense tags are effectively being treated as the master data source and could be reinjected to PDB on a whim. (2021-04-16)
A.Buchanan: More positively, please start using the Future PG tag. Here the Prentos, prenix and switchback are doubled features. For homebase, I think one might consider "trapped hole" as a defect: here d8 can only reasonably be captured by a knight, but it's probably not worth being a tag. Here, the doubled prenix including missing wSb1 is an important mitigation. (2021-04-16)
more ...
comment
Keywords: Unique Proof Game, Homebase (2), Prentos Theme (Sd), Switchback (Tk), Promotion (Sd), Ceriani-Frolkin Theme (Sd), Prenix (Sd), Future Proof Game (Prentos+Prenix+Sback)
Genre: Retro
FEN: rnb1k1nr/1ppppp1p/8/8/8/8/2PPP1PP/R2QKBNR
Input: Gunter Jordan, 2021-04-15
Last update: A.Buchanan, 2021-04-16 more...
39 - P1388682
Thierry Le Gleuher
Gunter Jordan
Raúl Jordan
Ralf Krätschmer
Roberto Osorio

155 feenschach 237, p. 238, 09-10/2019
P1388682
(12+11) C+
BP in 9.0
1. g4 b5 2. g5 b4 3. g6 b3 4. gxh7 bxc2 5. hxg8=S cxb1=D 6. Sxe7 Dg6 7. Sxc8 Dxg1 8. Txg1 Dxc8 9. Th1 Dd8
play all play one stop play next play all
Silvio-Baier-40-JT: Thema: Gesucht waren eindeutige orthodoxe Beweispartien mit weißer und schwarzer Homebasestellung, wobei auf jeder Seite ein Bauer umwandeln und von einer Figur (keinem Bauern) geschlagen werden sollte und zudem genau ein Stein eine zweizügige Rückkehr vollführt.
more ...
comment
Keywords: Unique Proof Game, Homebase (2), Prentos Theme (Sd), Switchback (Td), Promotion (Sd), Prenix (S), Ceriani-Frolkin Theme (Sd), Future Proof Game (Prentos+Sback)
Genre: Retro
FEN: rn1qkb1r/p1pp1pp1/8/8/8/8/PP1PPP1P/R1BQKB1R
Input: Gunter Jordan, 2021-04-16
Last update: A.Buchanan, 2021-04-17 more...
40 - P1389374
Silvio Baier
Thierry Le Gleuher
Gunter Jordan
Raúl Jordan
Ralf Krätschmer
Roberto Osorio

175 feenschach 237, p. 240, 09-10/2019
P1389374
(11+11) C+
BP in 9.5
1. b4 f5 2. b5 f4 3. b6 f3 4. bxc7 fxg2 5. cxd8=S gxf1=L 6. Se6 Lxe2 7. Sxf8 Lxd1 8. Sxh7 Txh7 9. Kxd1 Th8 10. Ke1
play all play one stop play next play all
Silvio-Baier-40-JT: Thema: Gesucht waren eindeutige orthodoxe Beweispartien mit weißer und schwarzer Homebasestellung, wobei auf jeder Seite ein Bauer umwandeln und von einer Figur (keinem Bauern) geschlagen werden sollte und zudem genau ein Stein eine zweizügige Rückkehr vollführt.
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comment
Keywords: Unique Proof Game, Excelsior black, Excelsior white, Homebase (2), Prentos Theme (Sl), Switchback (Kt), under-promotion (Sl)
Genre: Retro
Computer test: Computerprüfung: C+ Stelvio 1.4 02:01:02 Stunden.(hh:mm:ss) Keine Lösung: BP 9.0.
FEN: rnb1k1nr/pp1pp1p1/8/8/8/8/P1PP1P1P/RNB1K1NR
Input: Gunter Jordan, 2021-05-07
Last update: A.Buchanan, 2023-07-29 more...
41 - P1389383
Thierry Le Gleuher
Gunter Jordan
Raúl Jordan
Roberto Osorio

176 feenschach 237, p. 240, 09-10/2019
P1389383
(11+11) C+
BP in 9.5
1. f4 h5 2. f5 h4 3. f6 h3 4. fxg7 hxg2 5. gxf8=S gxf1=L 6. Se6 Lxe2 7. Sxd8 Lxd1 8. Sxb7 Lxb7 9. Kxd1 Lc8 10. Ke1
play all play one stop play next play all
Silvio-Baier-40-JT: Thema: Gesucht waren eindeutige orthodoxe Beweispartien mit weißer und schwarzer Homebasestellung, wobei auf jeder Seite ein Bauer umwandeln und von einer Figur (keinem Bauern) geschlagen werden sollte und zudem genau ein Stein eine zweizügige Rückkehr vollführt.
more ...
comment
Keywords: Unique Proof Game, Excelsior black, Excelsior white, Homebase (2), Prentos Theme (Sl), Switchback (Kl), under-promotion (Sl)
Genre: Retro
Computer test: Computerprüfung: C+ Stelvio 1.4 04:29:10 Stunden.(hh:mm:ss) Keine Lösung: BP 9.0.
FEN: rnb1k1nr/p1pppp2/8/8/8/8/PPPP3P/RNB1K1NR
Input: Gunter Jordan, 2021-05-08
Last update: A.Buchanan, 2023-07-29 more...
42 - P1394213
Gunter Jordan
18519 Die Schwalbe 308 04/2021
WCCI=5.5

2. Lob
Abt. S#2-3
PR Michael Barth
P1394213
(5+10) C+
s#2
1. Dg5? droht 2. Sh2+ gxh2#,Sxh2#, aber 1. ... hxg4!

1. Da7!? droht 2. Sh2+ gxh2,Sxh2#
1. ... hxg4 2. Df2+ gxf2#, aber 1. ... Sd4!

1. Dc5! droht 2. Sh2+ gxh2#,Sxh2#
1. ... hxg4 2. Df2+ gxf2#
1. ... Sd4 2. Dc3+ Se3#
play all play one stop play next play all
SCHRECKE: C+, popeye 4.87 (2021-10-03)
comment
Keywords: Option key, White correction (3. Grades), discovered checkmate, Batteriematt horizontal
Genre: s#
FEN: 8/4Q3/4N3/5B1p/6N1/5kp1/p1npp1p1/4rnK1
Input: Stefan Höning, 2021-10-03
Last update: Gunter Jordan, 2023-08-03 more...
43 - P1396415
Gunter Jordan
8068 Kudesnik 238 28/11/2021
P1396415
(5+8) C+
#4
* 1. ... b1=D (a) 2. Ld2# (B)
* 1. ... b1=S (b) 2. Lb2# (C)
1. Tb3! droht 2. Lxb2+ Kb1 3. La3#
1. ... Kb1 2. Txb2+ Kc1 3. Tb3 nebst 4. Ld2# (B)
1. ... c4 2. Se4 Kb1 3. Sd2+ (A) Kc1 4. Lxb2# (C)
2. ... cxb3 (c) 3. Ld2+ (B) Kb1 4. Sc3#
2. ... b4 (d) 3. Lxb2+ (C) Kb1 4. Sd2# (A)
play all play one stop play next play all
Stefan Felber: Die angegebenen Satzmatts existieren nicht! (2021-11-29)
comment
Keywords: transferred mates, Reciprocal moves by White, Switchback (Tk), Promotion (d), under-promotion (s), white move cycle
Genre: n#
Computer test: Popeye Windows-64Bit v4.85 (4096 KB)
FEN: 8/8/p2N4/Ppp5/8/R1B5/ppp5/r1k1K3
Input: Gunter Jordan, 2021-11-29
Last update: Gunter Jordan, 2021-11-29 more...
44 - P1399802
Gunter Jordan
9146 Phénix 324 11/2021
P1399802
(3+2) C+
ser-!#7
1. b8=L 2. b7 3. Kb6 4. Ka7 5. Ka8 6. La7 7. b8=L!#
play all play one stop play next play all
Meeraner, Urform, Themafiguren wB/L & wB/L

Erstdarstellung der Meeraner-Urform im Serienzugeigenmatt.
Henrik Juel: Can be tested with Popeye 4.87 also (in 1.9 seconds) (2022-03-15)
comment
Keywords: discovered checkmate, Corner mate, Eigenmatt, konsekutive Umwandlungen 2 (LL), Meerane-Thema, Minimal (l), Model mate, Selfblock, Seriesmover, Symmetrical end position, Umnov, Promotions to bishops, under-promotion (L), under-promotion in mating move, under-promotion key
Genre: Fairies
Computer test: Gustav 4.1.a
FEN: 8/1P6/1Pb5/2K5/4k3/8/8/8
Input: Gunter Jordan, 2022-03-15
Last update: Gunter Jordan, 2022-03-15 more...
45 - P1400232
Gunter Jordan
9853 Seven Chess Notes 194 03/2022
P1400232
(2+2) C+
h!#6
0.1.1...
1. ... ... f4 2. d5 f5 3. d4 f6 4. d3 f7 5. d2 f8=T 5. d1=D+ Tf2!#
play all play one stop play next play all
Henrik Juel: The animation does not work
I wonder why (2022-04-04)
Henrik Juel: Thanks for adding three dots, Gunter
move 5. still does not work, probably because the animation does not understand h!# (2022-04-04)
comment
Keywords: Excelsior black, Kindergarten Problem, Minimal (B/b), Selfblock, Promotion (d), under-promotion (T), Miniature
Genre: Fairies
Computer test: Popeye Windows-64Bit v4.85 (4096 KB)
FEN: 8/3p4/8/8/8/5P2/8/5K1k
Input: Gunter Jordan, 2022-04-04
Last update: Gunter Jordan, 2022-04-04 more...
46 - P1400996
Gunter Jordan
4773 idee & form 153, p. 5186, 01/2022
P1400996
(10+9) C+
s#15
1. Sb6! Sf8 2. Sc8 Sh7 3. Sa7 Sf8 4. Sb5 Sh7 5. Sa3 Sf8 6. Sb1 Sh7 7. Sd2 Sf8 8. Sxb3 Sh7 9. Sa5 Sf8 10. Sb7 Sh7 11. Sd8 Sf8 12. Sdf7 Sh7 13. Sh6 Sf8 14. Sg8 Sh7 15. Sf6+ Sxf6#
play all play one stop play next play all
Autor: Weisse und schwarze Alleinunterhalter, Springer an allen Rändern.
Henrik Juel: Popeye 4.61 with 'opt non 0 1' found no flaws (2022-04-30)
comment
Keywords: Alleinunterhalter (Ss)
Genre: s#
Computer test: Gustav 4.1 a
FEN: N3k3/3pP2n/3Pp1p1/2p1N1p1/2PpK1P1/1p1P1P2/1P6/8
Input: Felber, Volker, 2022-04-30
Last update: Gunter Jordan, 2022-04-30 more...
47 - P1401139
Gunter Jordan
4849 Sachmatija I/22 01-03/2022
P1401139
(10+4) C+
s#8
1. b3! Kc5 2. b4+ Kd5 3. Sd8 Ke5 4. Sf3+ Kd5 5. Sd2 Ke5 6. Sc4+ Kd5 7. Tb5+ axb5 8. f4 bxc4#
play all play one stop play next play all
more ...
comment
Keywords: Pawn mate, pin-mate, Model mate, Switchback (k), Tempo Loss (im Schlüssel)
Genre: s#
Computer test: Gustav 4.1 a
FEN: 8/5N2/pR6/P2k4/3p2PN/3K2P1/1P3Pr1/7B
Input: Gunter Jordan, 2022-05-05
Last update: Rainer Staudte, 2022-05-05 more...
48 - P1401565
Gunter Jordan
3781 Variantim 85 12/2021
P1401565
(7+7) C+
hs=13
1. Kg1 Kc5! 2. Kh1 Kd6 3. Kg1 Ke7 4. Kh1 Kf8 5. Kg1 Kg7 6. Kh1 Kg6 7. h5+ Kxh5 8. Kg1 Kg6 9. Kh1 h5 10. Kg1 h4 11. Kh1 h3 12. Kg1 h2+ 13. Kh1 ~=
play all play one stop play next play all
PAS-Läufer-Hilfsselbstpatt
Henrik Juel: Not quite C+, as the black king can move to four different squares in move 13 (2022-06-02)
Olaf Jenkner: Black variations do not effect the soundness of a problem. (2022-06-02)
comment
Keywords: Line opening, Model stalemate, Switchback (K), Rücknahme Schlüsselzug
Genre: Fairies
FEN: 8/5p2/5p1p/5p2/1k3P1P/4pPp1/4P1P1/5B1K
Input: Gunter Jordan, 2022-06-02
Last update: Gunter Jordan, 2022-06-02 more...
49 - P1401816
Gunter Jordan
19592 Schach , p. 74, 02/2022
P1401816
(10+8) C+
#7
1. Sb2! droht 2. Sc4#
1. ... Ke5 2. Sfd3+ Kd6! 3. Sc4+ Kd5 4. Se3+ Kd6 5. Sb2! Ke5 6. Sbc4+ Kf4 7. Sd5#
play all play one stop play next play all
19.592 (Jordan) Stünde der wSf4 auf e3, ginge 1.Sb2 Ke5 2.Sbc4+ Kf4 3.Sd5 matt. Nur, wie kommt der wSf4 nach e3? – Gar nicht! Nach einem eigenartigen Verfolgungsgalopp tauschen die wSS ihre Funktionen! 1.Sb2! (2.Sc4 matt) Ke5 2.Sfd3+ Kd6! 3.Sc4+ Kd5 4.Se3+ Kd6 5.Sb2! Ke5 6.Sbc4+ Kf4 7.Sd5 matt (4 P.). „Zweispringerspiel. Leider kein Mustermatt, was bei –wBf2 +sBg3 jedoch der Schlusspunkt wäre (gleiche Lösung C+)“ (VZ). „Die Reiterei bestimmt das Geschehen, wobei man genau hinschauen muss, um sich nicht zu vergaloppieren“ (HH). „Neckischer Tanz der wSS, witzig“ (BK).
Gunter Jordan: Der Kommentar von VZ ist falsch. Nach –wBf2, +sBg3 existiert genauso wenig ein Mustermatt, wie nach der Lösung der Diagrammposition. In dieser Matrix gibt es kein MM, da beide Springer im Mattbild e3 decken. (2022-06-13)
Felber, Volker: Schach 7/8 2022, Seite 121 unter "Zu früheren Aufgaben": 19.592 (Schach 02/2022, Gunter Jordan). Die von Volker Zipf vorgeschlagene Stellungsveränderung in der Lösungsbesprechung führt leider nicht, wie fälschlich behauptet, zu einem Mustermatt (2022-07-21)
comment
Keywords: Exchange of roles (SS), Logical Problem
Genre: n#
Computer test: Gustav 4.0c
FEN: 3B2n1/b1p2p2/1p1k3p/1P3B2/1P3NP1/2PN1p2/5P2/K7
Input: Felber, Volker, 2022-06-13
Last update: Gunter Jordan, 2022-06-13 more...
50 - P1407626
Gunter Jordan
5017 Sachmatija 4/22 10-12/2022
P1407626
(10+9) C+
s#15
1. h4! Kf6 2. Dg5+ Ke6 3. Lg1 Kd6 4. Dc5+ Ke6 5. Lf2 Kf6 6. Dg5+ Ke6 7. Le1 Kd6 8. Dc5+ Ke6 9. Ld2 Kf6 10. Dg5+ Ke6 11. Lc1 Kd6 12. Dc5+ Ke6 13. Lxa3 Kf6 14. Dg5+ Ke6 15. h5 Lf7#
play all play one stop play next play all
Den ersten und letzten weißen Zug macht der wBh3. Die Aufgabe ist nur teilgeprüft.
Gunter Jordan: Danke Olaf für das Testen! (2024-03-06)
comment
Keywords: discovered checkmate, Batteriematt horizontal, double-check mate, Switchback (Dk), Tempo Winning Manouevre, Zig Zag Path (L), Model mate
Genre: s#
Computer test: O. Jenkner: Gustav 4.2 c (59 h 14 GB Hash)
FEN: 4K1br/7p/4k2P/2Q5/p1pPp1p1/p1P1P1PP/P6B/8
Input: Gunter Jordan, 2023-02-07
Last update: Gunter Jordan, 2024-03-06 more...
51 - P1409255
Gunter Jordan
C425 Problemist Ukrainy 76 04-06/2023
P1409255
(8+9)
#16
1. Lb1-c2! Kb5-b6 2. Tc4-c6+ Kb6-b5 3. Lc2-d1 Kb5-b4 4. Tc6-c4+ Kb4-b5 5. Ld1-e2 Kb5-b6 6. Tc4-c6+ Kb6-b5 7. Le2-f1 Kb5-b4 8. Tc6-c4+ Kb4-b5 9. Lf1-h3 Kb5-b6 10. Tc4-c6+ Kb6-b5 11. Lh3-g4 Kb5-b4 12. Tc6-c4+ Kb4-b5 13. Lg4-h5 Kb5-b6 14. Tc4-c6+ Kb6-b5 15. Lh5-e8 Kb5-b4 16. Tc6-c4#
play all play one stop play next play all
SCHRECKE: C+, Gustav 4.2c, Brute Force (2023-05-19)
comment
Keywords: Tempo Winning Manouevre, Zig Zag Path (L), Switchback (Tk), Pendulum
Genre: n#
FEN: K7/8/p2p1p2/rk1P1P2/p1Rp1p2/p2P1P2/P7/1B6
Input: Marcin Banaszek, 2023-05-02
Last update: Gunter Jordan, 2023-07-15 more...
52 - P1412710
Gunter Jordan
5041 Sachmatija 01/23 01-03/2023
P1412710
(11+12)
#2
1. Ld7? droht 2. Lxe6#
1. ... Te3 2. Td4#
1. ... Lxd7 2. bxc4#
1. ... Sg5 2. Sf6#
1. ... Dxf4+ 2. Sxf4#, aber 1. ... g5!

1. Lf7! droht 2. Lxe6#
1. ... Te3 2. Td4#
1. ... g5 2. Tf5#
1. ... Ld7 2. bxc4#
1. ... Sg5 2. Sf6#

1. ... Dxf4+ 2. Sxf4#
1. ... Lc6 2. bxc4#
1. ... Ld6 2. Txd6#
play all play one stop play next play all
Henrik Juel: C+ Popeye 4.61 also (2023-10-04)
comment
Keywords: Unpinning, White correction, Pinning, pin-mate
Genre: 2#
Computer test: Popeye Windows-64Bit v4.85 (4096 KB)
FEN: 4Bb2/1p5n/1R2p1pq/1bPk4/1Pp2RN1/1PBr1P2/2p1N3/2Kn4
Input: Gunter Jordan, 2023-10-04
Last update: Gunter Jordan, 2023-10-04 more...
53 - P1414333
Gunter Jordan
5845 Best Problems 109 01/2024
P1414333
(6+7) C+
h#10
1. Kg8 Kg2 2. Kh8 Kh3 3. g4+ Kxg4 4. Kg8 Kh3! (K~?) 5. Kh8 g4 6. Kg8 g5 7. hxg5 h6 8. gxh6 g7 9. Kh7 gxf8=D 10. Kg6 Df7#
play all play one stop play next play all
PAS-Läufer-Hilfsmatt
Yuri Bilokin: you can see 1...Kg2 2.Kg8 Kh3 3.g4+ Kxg4 4.Kh8 Kh3 5.Kg8 g4 6.Kh8 g5 7.hxg5 h6 8.gxh6 g7+ 9.Kh7 gxf8=Q 10.Kg6 Qf7# (2024-01-03)
comment
Keywords: changed blocks, Entblockung, Epaulettenmatt, Remote selfblock, Model mate, Switchback (Kk), Promotion (D), x pieces move to one square
Genre: h#
Computer test: Popeye Windows-64Bit v4.85 (4096 KB)
FEN: 5b1k/4p1p1/4P1Pp/6pP/4p3/4P1P1/8/5K2
Input: Gunter Jordan, 2024-01-03
Last update: Gunter Jordan, 2024-01-03 more...
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The problems of this query have been registered by the following contributors:

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