Die Schwalbe

20 problem(s) found in 3477 milliseconds (displaying 20 problem(s)). [COMMENTDATE>=20200919 AND NOT K='Hilfsrückzüger' AND NOT K='Wladimirow-Thema' AND K='Ersticktes Matt'] [download as LaTeX]

1 - P0577273
Unto Heinonen
3901 feenschach 66 08/1983
3. Preis
P0577273
(2+9) C+
ser-h#17
1. f1=L 2. g1=T 3. Tg3 4. Te3 5. g3 6. g2 7. g1=D 8. Dg4 9. Lg2 10. Ld5 11. Ke4 12. Df5 13. g4 14. g3 15. g2 16. g1=S 17. Sf3 Sc5#
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paul: With bPd3 to c4, the checkmate looks better. (2022-03-30)
A.Buchanan: I guess the smothered mate is thematic, at the cost of the more common model mate (2022-03-31)
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comment
Keywords: Allumwandlung, black, Seriesmover, under-promotion key (l), Smothered mate, Model mate, Check Protection, Minimal (S)
Genre: Fairies
Computer test: Gustav 4.1d, Brute Force
FEN: 8/8/N7/4pkp1/3p1pp1/3p4/5pp1/2K5
Reprints: Suomen Tehtäväniekat 01/11/1994
Phénix 32 08/1995
072 Kegelschach [Ebert u. Wolfenter] 1997
Rochade Europa , p. 59, 05/1998
846 Minimalkunst im Schach 2006
Input: Felber, Volker, 2000-01-06
Last update: Gunter Jordan, 2022-03-31 more...
2 - P1046761
Otto B. Wurzburg
American Chess Magazine 1898
P1046761
(4+7) C+
#3
1. Tb4! cxb4 2. Db5+ Txb5 3. Sc4#
1. ... Tb6 2. Da6+ Kxa6 3. Txa4#
1. ... c4 2. Sb7+ Kxb4 3. Db1#
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Die "U.S. Chess Problem Anthology" schreibt: "Sacrificial play includes a Philidor's Legacy (=ersticktes Matt)."
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comment
Keywords: Brian Stephenson Collection (31779), Flight giving sacrifice key, Epaulettenmatt, Smothered mate, Blocknutzung, Drag-in sacrifice (zweifach)
Genre: 3#
Computer test: SCHRECKE: popeye 4.87
FEN: 8/8/r2N4/k1pr4/p1Rp4/p2Q4/3K4/8
Reprints: 1064 Wiener Hausfrauen-Zeitung 23, p. 182, 04/06/1899
51 I Uppnami 24/12/1901
1255 Wiener Hausfrauen-Zeitung 5, p. 49, 01/02/1903
56 Spectacular Chess Problems , p. 29, 1965
Wurzburg Artistry 1974
30 Der Schachzug (FV Schach Berlin) 23 01-02/1978
3b-1298 2345 Chess Problems 1997
The Problemist 2002
63 U.S. Chess Problem Anthology 2004
Input: Brian Stephenson, 2004-08-12
Last update: Dieter Berlin, 2023-12-06 more...
3 - P1127998
Jaques Fulpius
1475 Themes-64 43 07/1966
P1127998
(3+4) C+
#3
1. Df7! Th8 2. Kb8 ... 3. Sb7#
1. ... Se7 2. De8+ Txe8 3. Sf7#
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E4cS m
=1874
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comment
Keywords: Miniature Collection (0337999), Miniature, Drag-in sacrifice, Smothered mate, Blocknutzung
Genre: 3#
Computer test: SCHRECKE: popeye 4.89
FEN: 3k2r1/1K1p3Q/3N4/3n4/8/8/8/8
Input: Zuncke/Bruder, 2010-09-11
Last update: Dieter Berlin, 2023-11-07 more...
4 - P1197230
Friedrich Hariuc
The Problemist 07/1980
Minimalturnier
4. ehrende Erwähnung
P1197230
(2+12)
#41
1. Se4 Sd3 2. Ka2 Sb4+,Sc1+ 3. Kb2 Sd3+ 4. Ka3 e6 5. Ka2 Sb4+,Sc1+ 6. Kb2 Sd3+ 7. Ka3 e5 8. Ka2 Sb4+,Sc1+ 9. Kb2 a3+ 10. Kxa3 Sd3 11. Ka2 Sb4+,Sc1+ 12. Kb2 Sd3+ 13. Ka3 a4 14. Ka2 Sb4+,Sc1+ 15. Kb2 Sd3+ 16. Ka3 a5 17. Ka2 Sb4+,Sc1+ 18. Kb2 Sd3+ 19. Ka3 a6 20. Ka2 Sb4+,Sc1+ 21. Kb2 a3+ 22. Kxa3 Sd3 23. Ka2 Sb4+,Sc1+ 24. Kb2 Sd3 25. Ka3 a4 26. Ka2 Sb4+,Sc1+ 27. Kb2 Sd3+ 28. Ka3 a5 29. Ka2 Sb4+,Sc1+ 30. Kb2 a3+ 31. Kxa3 Sd3 32. Ka2 Sb4+,Sc1+ 33. Kb2 Sd3+ 34. Ka3 a4 35. Ka2 Sb4+,Sc1+ 36. Kb2 a3+ 37. Kxa3 Sd3 38. Ka2 Sb4+,Sc1+ 39. Kb2 Sd3+ 40. Ka3 ... 41. Sf2,Sg3#
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Anton Baumann: C+ Gustav 4.1d (2021-08-19)
comment
Keywords: Minimal (S), Round Trip (K-3), Switchback (s), Corner mate, Model mate, Smothered mate
Genre: n#
FEN: 8/p3p3/p7/p5N1/p2p4/K7/6pp/2n2nrk
Input: Frank Müller, 2011-06-10
Last update: Gunter Jordan, 2021-09-11 more...
5 - P1227018
? ?
?
P1227018
(9+14) C+
#4
1. Sxc7+! Kb8 2. Sa6+ Ka8 3. Db8+ Txb8 4. Sc7#
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Nachdruck DSZ
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comment
Keywords: Smothered mate
Genre: n#
Computer test: C+ Popeye 4.61
FEN: k2r3r/pppbbqp1/5p1p/1N4n1/nPN2Q2/5B2/5PPP/6K1
Reprints: Deutsche Schachzeitung , p. 142, 05/1872
Input: Felber, Volker, 2011-12-14
Last update: A.Buchanan, 2021-04-07 more...
6 - P1232031
William A. Shinkman
Western Advertiser 1872
Inscribed to Thos.D.S. Moore
P1232031
(4+5) C+
#3
1. Lxb4! Lc1 2. Ld2+ b4 3. Dxb4#
1. ... Lb2 2. Lc3+ b4 3. Dxb4#
1. ... Lxb4 2. Dh4-e4 Kxa5 3. Da8# 2. ... bxa5 3. Dc2#
1. ... bxa5 2. Dd8 droht 3. Dxa5# 2. ... Lxb4 3. Dd1# 2. ... Kxb4 3. Dd4# 2. ... axb4 3. Da8#
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Widmung: "Respectfully inscribed to Mr. Thos. D.S. Moore" - Thos. D.S. Moore war vermutlich der Schachredakteur der Schachspalte des 'Favorite' (Pseudonym "CHECKMATE", s. Anmerkung zu P1303982)
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comment
Keywords: Zugzwang-Goal, Sacrifice key, Smothered mate
Genre: 3#
Computer test: SCHRECKE: popeye 4.89
FEN: 8/8/1p6/PpB5/kp5Q/b7/K7/8
Reprints: 12 100 Gems of Chess [Moore] 1873
3516 Deutsche Schachzeitung 06/1873
36 The Favorite (Montreal) 10/01/1874
Input: Felber, Volker, 2012-02-10
Last update: Dieter Berlin, 2023-12-19 more...
7 - P1249744
Mirko Degenkolbe
Steven B. Dowd

4813v Freie Presse (Chemnitz) 03/09/2011
3. ehrende Erwähnung
P1249744
(9+3)
#6
1. Sg3! gxh3 2. Se4 Kxh1 3. Kf2 Kxh2 4. Sd2 Kh1 5. Sf1 h2 6. Sg3#
1. ... Kxh3 2. Kf2 Kh4 3. Td1 Kg5 4. Td6 Kh4 5. Td5 Kh3 6. Th5#
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Korrekturvorschlag 21.01.2012: -sBe4
Von den Autoren akzeptiert: 04.02.2012

Diese auf den ersten Blick recht simple Aufgabe verdient ihre Auszeichnung durch eine Feinheit, die in der Stellung versteckt ist und von vielen Lösern übersehen wurde. Sie gaben nach dem Abspiel 1. …Kxh3 nicht die vollzügige Variante an und verloren somit einen Punkt in der Löserliste. Die Löser sahen nur die Kurzvariante 1. …Kxh3 2.O-O!?? …Kh4 2.Tf5 …Kh3 3.Th5#, die allerdings nicht spielbar ist, denn die weiße Rochade ist in dieser Aufgabe nicht mehr möglich, denn wie sollte dann der schwarze König nach g2 gelangt sein?

Die ursprüngliche Fassung hatte noch einen sBe4 auf dem Brett. Michael Schreckenbach fand interessanterweise heraus, dass dieses Bäuerlein getrost in der Schatulle bleiben kann.
Seinen Korrekturvorschlag, der am 21.01.2012 in der FREIEN PRESSE veröffentlicht wurde, nahmen die Autoren dankend an, was in einer weiteren Notiz in der FREIEN PRESSE vom 04.02.2012 dokumentiert wurde.
(MD925)
SCHRECKE: C+, Gustav 4.1d, Brute Force (2020-11-08)
comment
Keywords: Pure Round Trip (Springer), Smothered mate
Genre: n#
FEN: 8/7p/7P/2P5/6p1/4P2P/4P1kP/4KN1R
Input: Felber, Volker, 2012-09-22
Last update: Felber, Volker, 2022-02-10 more...
8 - P1317816
Peter Hoffmann
16412 Die Schwalbe 274, p. 201, 08/2015
nach Gerhard Pfeiffer & Reinhard Fiebig
spezielle ehrende Erwähnung
Abt. h#-Mehrzüger
PR Boris Schorochow
P1317816
(2+14) C+
h#8
0.1.1...
1. ... Kb2 2. Db3+ axb3 3. f1=D b4 4. Df4 bxc5 5. Dd6 cxd6 6. g1=D d7 7. Dg6 d8=S 8. Dh7 Sf7#
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Rolf Wiehagen: Siehe P0500863, Gerhard Pfeiffer 1985, mit 10 schwarzen Bauern, und P1087039, Reinhardt Fiebig 2005, mit 9 schwarzen Bauern.
Spezielle ehrende Erwähnung von Preisrichter Boris Shorokhov, der in seinem Preisbericht schreibt:
"Für drei Umwandlungen schwarzer Bauern in Damen werden neun Züge benötigt. Bisher gelang dies nur mit zu vielen schwarzen Bauern, d.h. in illegaler Stellung. Der Autor dieser Aufgabe vermeidet solche Positionen, aber die erste Umwandlung in eine Dame ist retroanalytisch begründet, offensichtlich war 1. d1=D+ der letzte schwarze Zug. Natürlich ist das nicht dasselbe, aber nach meiner Meinung verdient die Findigkeit des Autors eine spezielle Auszeichnung." (2021-04-22)
James Malcom: This problem is mentioned on berlinthema.de on 159 of this document: http://www.berlinthema.de/AUSWAHL_PH.pdf (2022-01-31)
A.Buchanan: It would be cool if our keyword system distinguished cleanly between retro & forward promotions. However we have too much clutter in the current vocabulary to extend in this way right now, imho. (2022-01-31)
comment
Keywords: Minimal (B), Oudot Theme, konsekutive Umwandlungen 4 (dddS), Excelsior white, under-promotion (S), Promotion (d), Model mate, Selfblock, Smothered mate, Corner mate, Phoenix, Antiphönix
Genre: h#, Retro
FEN: 6nk/6n1/8/2b2p2/p2p3p/8/P1K1ppp1/r2qr3
Input: Felber, Volker, 2016-02-29
Last update: Gunter Jordan, 2022-02-02 more...
9 - P1340096
Rolf Uppström
1587 Springaren 144 06/2017
P1340096
(4+4)
h#1
2 Lösungen
Lame
a) wBc1->h7 1. Kh2 h8=D#,h8=T#
b) wBc1->h2 1. gxh2 Sf2#
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The condition Lame means that the position is illegal and must be made legal by adding, moving, or removing one man, before White moves. See P1340078.
Veröffentlicht in der Rubrik: "Smasaker och Hugskott"
Henrik Juel: The condition Lame means that the position is illegal and must be made legal by adding, moving, or removing one man, before the stipulated play starts (2017-09-24)
Alfred Pfeiffer: NL nach wBc1->h7: 1. Ld5,..,La8 h8=D,T# (2017-09-25)
A.Buchanan: Is it bPg2? (2024-01-17)
A.Buchanan: I don't know how it is in Swedish, but in English, Lame is a slur. And the acronym doesn't work. I would suggest "Alarm" instead, standing for "Alarm! Legalize by Adding, Removing or Moving". But with only two examples, it's not worth a keyword yet. (2024-01-17)
comment
Keywords: Promotion (in 1), Smothered mate (in 2), pin-mate (in 1), Illegal position, Selfblock (in 2)
Genre: Fairies
FEN: 8/8/8/8/8/2K3p1/2R3b1/2PN2rk
Input: Gunter Jordan, 2017-09-24
Last update: A.Buchanan, 2024-01-17 more...
10 - P1380560
Mirko Degenkolbe
Steven B. Dowd

Orbit 2007
Tivadar Kardos gewidmet (und nach)
nach Tivadar Kardos
P1380560
(2+9) C+
h#10v
1. Lg1 Kxg1 2. e2 Kh1 3. e1=S Kg1 4. Sf3 gxf3 5. e3 f4 6. e2 fxe5 7. e1=S e6 8. Sd3 e7 9. Sc5 e8=S 10. Sb7 Sc7#
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Der Versuch 1.Le1? …Kg1 2.e2?? Kh1 3.e1S?? scheitert an schwarzer Seklbstbehinderung.
SCHRECKE: Kardos: P0500795 (2020-10-16)
comment
Keywords: Minimal (B), Sacrifice key, under-promotion (ssS), konsekutive Umwandlungen 3, Smothered mate, Antiphönix, Phoenix, Corner mate, Stalemate dissolution
Genre: h#
Computer test: Gustav 4.0c
FEN: kn6/n7/p7/4p3/4p3/4p1p1/5bP1/7K
Input: Felber, Volker, 2020-10-03
Last update: Felber, Volker, 2021-10-30 more...
11 - P1386427
Pascale Piet
8981 Seven Chess Notes 178 11/2020
P1386427
(2+5) C+
h#6
1. Dd4 cxd4 2. g3 d5 3. g2 d6 4. g1=T d7 5. Tg8 d8=S 6. Lg7 Sf7#
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Henrik Juel: C+ Popeye 4.61 (2021-02-12)
comment
Keywords: Corner mate, Smothered mate, konsekutive Umwandlungen 2 (tS), Miniature, Minimal (B), Model mate, Selfblock, under-promotion (St)
Genre: h#
FEN: 5b1k/7n/8/8/6p1/2P5/2K5/6q1
Input: Gunter Jordan, 2021-02-12
Last update: James Malcom, 2021-02-12 more...
12 - P1386569
Erich Bartel
3307 Scobs lignea 17/02/2021
P1386569
(1+16) C+
ser-#5
Platzwechselcirce
1. Sc3 2. Sd5 3. Sxe7[+sBd5] 4. Sxg8[+sSe7] 5. Sf6#
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Henrik Juel: C+ Popeye 4.61 also
Nice find, especially that 5... gxf6[+sSg7] does not prevent the mate (2021-02-17)
comment
Keywords: Homebase (s), Seriesmover, Circe (Platzwechsel-), changed blocks, Smothered mate
Genre: Fairies
Computer test: %Popeye FreeBSD-9.1-RELEASE-amd64-64Bit v4.59
FEN: rnbqkbnr/pppppppp/8/8/8/8/8/1N6
Input: Erich Bartel, 2021-02-17
Last update: Alfred Pfeiffer, 2021-08-11 more...
13 - P1388213
Otto Nerong
2191 Deutsche Schachzeitung 9, p. 312, 09/1966
P1388213
(2+11)
#6
1. Sd5! Ka3 2. Sc7 Ka2 3. Sxb5 a3 4. Sc7 b5 5. Sd5 b6 6. Sxb4#
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SCHRECKE: C+, Gustav 4.1d, Brute Force (2021-04-06)
comment
Keywords: Minimal (S), Smothered mate, Block, Switchback (Sk)
Genre: n#
FEN: 8/1p6/1p6/1p6/pp3N2/1p6/krp5/bbK5
Input: Dieter Berlin, 2021-04-06
Last update: Gunter Jordan, 2021-04-06 more...
14 - P1388854
Baldur Kozdon
18321 Die Schwalbe 305 10/2020
P1388854
(4+10) C+
#12
1. Lf5? g1=D!
1. Se2-g3+! Kg1 2. Lf5 droht 3. Se2+ Kh1 4. Le4 Lb6 5. Tf1+ Lg1 6. Sg3#
2. ... h4,Lb6 3. Se2+ Kh1 4. Le4 Lb6,h4 5. Tf1+ Lg1 6. Tf6 droht 7. Tg6 ... 8. Lxg2#
6. ... Sa6 7. Tg6 Sc7+ 8. Kb8 La7+ 9. Kc8 h3 10. Tf6 ... 11. Tf1+ Lg1 12. Se2-g3#
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Meeraner, Urform, Themafigur: wS
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comment
Keywords: Checking key, Corner mate, Meerane-Thema, Smothered mate
Genre: n#
Computer test: Baumann: Gustav 4.2a
FEN: KnBn4/8/8/b3p2p/1pp5/5R2/4N1pp/7k
Input: Schwalbe, 2021-04-21
Last update: Dieter Berlin, 2023-04-28 more...
15 - P1398575
Mirko Degenkolbe
2278 Gaudium 253 19/01/2022
Rolf Wiehagen zum 75. Geburtstag gewidmet
5. Ehrende Erwähnung (Abteilung H#n 2021/2022)
P1398575
(3+10)
h#8
1. b2-b1=S c5 2. Sa3 c4 3. Sb5 cxb5 4. cxb5 c6 5. b4 c7 6. b3 c8=S 7. b2 Se7 8. b2-b1=S Sxg6#
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Meeraner, farbvertauschte Form, Themafiguren: sS & sS
(MD1757)
SCHRECKE: C+, Gustav 4.2a, Brute Force (2022-07-18)
comment
Keywords: under-promotion key, under-promotion (Sss), konsekutive Umwandlungen 3 (sSs), Phoenix, Antiphönix, Tempo Loss, Model mate, Smothered mate, Meerane-Thema, Entblockung
Genre: h#
FEN: 8/8/2p3p1/6pp/2P3pk/6pb/1pP3p1/6K1
Input: Felber, Volker, 2022-01-22
Last update: Felber, Volker, 2023-05-31 more...
16 - P1402698
Oleksandr S. Smogorzhevsky
Ceskoslovensky Sach 1960
P1402698
(7+10) cooked
#17
1. Lh2! La6! 2. Lg4 Lb7 3. Kg5 La6 4. Lg3 Lb7 5. Lf5 La6 6. Kf6 Lb7 7. Lf4 La6 8. Le6 Lb7 9. Ke7 La6 10. Le5! Lb7 11. Ld7 La6 12. Kd8 Lb5 13. axb5 cxb5 14. Ld6 b4 15. axb4 cxb4 16. Lxb4 Th1,T~ 17. Sxc2#
10. Ld6? Lc8 11. Lxc8 Te1!
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Cook: Dualistisch: 11.Lh3,Lg4,Lf5,Ke8 La6 12.Ld7 Lb7 13.Kd8 La6 14.Kc7 Lb5 15.a:b5 c:b5 16.L:b5 Th1 17.S:c2# sowie auch 12.Ke8 Lb7 13.Kd8 La6 14.Kc7 ezc.
msterkowiec: Unfortunately, this nice composition seems yet more dualistisch: 1. Bg3 Bc8 2. Be1 Bb7 3. Kg5 Ba6 4. Bg3 Bb7 5. Bf5 Ba6 6. Kf6 Bc8 7. Bf4 Bb7 8. Be6 Ba6 9. Ke7 Bc8 10. Be5 Bb7 11. Bd7 Ba6 12. Kd8 Bb5 13. ab5 cb5 14. Bd6 b4 15. a:b4 cb4 16. B:b4 Rce1 17. N:c2x This is the dual that my computer test reports, however there seem to be many ways to get rid of this dual (at least in the first move), for example:
a) #18 8/Bb6/2p5/2p5/P1p4K/P1P1N2B/ppp5/krr5 1. Bb8 Bc8 2. Bh2 Bb7 3. Bg4 Ba6 4. Kg5 Bc8 5. Bg3 Bb7 6. Bf5 Ba6 7. Kf6 Bc8 8. Bf4 Bb7 9. Be6 Ba6 10. Ke7 Bc8 11. Be5 etc.
b) #18 1B6/1b6/2p5/2pN4/P1p4K/P1P4B/ppp5/krr5 1. Ne3 Bc8 2. Bh2 Bb7 3. Bg4 Ba6 4. Kg5 Bc8 5. Bg3 Bb7 6. Bf5 Ba6 7. Kf6 Bc8 8. Bf4 Bb7 9. Be6 Ba6 10. Ke7 Bc8 11. Be5 etc. (2022-07-18)
comment
Keywords: Corner mate, Smothered mate, Check Protection, Systematic movement
Genre: n#
FEN: 1B6/1b6/2p5/2p5/P1p4K/P1P1N2B/ppp5/krr5
Reprints: FIDE Album 1959-1961
3 Problemist Ukrainy 69, p. 4, 07-09/2021
Input: Gunter Jordan, 2022-07-14
Last update: Frank Richter, 2022-07-15 more...
17 - P1403629
Harald Schmid
Neues Österreich 1964
P1403629
(4+9)
#5
1. Lb7! droht 2. Lxc6
1. ... Ld7 2. Ld5 Dc8 3. Lc6 Dxc6 4. Txa4+ Dxa4 5. Sc4#
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Henrik Juel: late duals, e.g., 3... Da6 4.Txa4+,Txa6,Sc4+ (2022-08-12)
comment
Keywords: Smothered mate, Bishop sacrifice, Rook sacrifice
Genre: n#
FEN: 6q1/6p1/B1b2p2/R3p3/pp6/kp6/1N6/K7
Reprints: 197 Problem-Palette , p. 69, 1970
Input: Dieter Berlin, 2022-08-11
Last update: Dieter Berlin, 2022-08-11 more...
18 - P1412051
P. A. Orlimont
Wiener Schachzeitung 1927
P1412051
(6+10) C+
#4
1. Dh8! Txh8 2. Sed3 cxd3 3. Lg8
play all play one stop play next play all
more ...
comment
Keywords: Sacrifice key, pin-mate, Intersection Theme (s - w), Sacrifice of white pieces (D, S), Smothered mate
Genre: n#
Computer test: SCHRECKE: Gustav 4.2e
FEN: r7/8/8/8/2p5/nBB3pQ/prp3Kb/kbN1N3
Reprints: 8 Edelsteine der Problemkunst , p. 42, 1965
Input: Dieter Berlin, 2023-08-29
Last update: Dieter Berlin, 2023-08-29 more...
19 - P1414995
Marko Ylijoki
4178 Variantim 90 08/2023
P1414995
(2+8) C+
h#7
0.1.1...
b) wBc2->c7
a) 1. ... c4 2. Dh2+ Kxh2 3. g3+ Kxh3 4. g2 c5 5. g1=T c6 6. Ta1 c7 7. Ta7 c8=D#
b) 1. ... c8=S 2. La7 Sd6 3. Sb6 Sxe8 4. Lg2+ Kg1 5. Lb7+ Kf1 6. Sd7 Ke2 7. Sb8 Sc7#
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Yuri Bilokin: you can see b) 1.Ba7 c8=S 2.Sb6 Sd6 3.Bg2+ Kg1 4.Bb7+ Kf1 5.Sd7 Sxe8 6.Sb8 Sc7#
1.Sb4 c8=S 2.Sa6 Sd6 3.Sb8 Sc4 4.Sd6 Sa3 5.Sb7 Sb5 6.Ba7 Sc7#
1.Sb4 c8=S 2.Sa6 Sd6 3.Sb8 Sc4 4.Sd6 Sa3 5.Ba7 Sb5 6.Sb7 Sc7#
1.Sb4 c8=S 2.Sa6 Sd6 3.Sb8 Sc4 4.Sd6 Se3 5.Sb7 Sd5 6.Ba7 Sc7# (2024-02-18)
comment
Keywords: Corner mate, Smothered mate (in b), Excelsior white (in a), konsekutive Umwandlungen 2 (tD), Minimal (B), Model mate, Phoenix (in a), Rückkehr nach Umwandlung (in b), Round Trip (B/S in b), Selfblock, Promotion (D in a), Promotion in the mating move (in a), Exchange of Promotions, under-promotion (t,S), under-promotion key (in b)
Genre: h#
FEN: k3n3/8/8/3n4/5pp1/6qb/2P2b2/7K
Input: Gunter Jordan, 2024-02-13
Last update: Gunter Jordan, 2024-02-13 more...
20 - P1415784
Misha Shapiro
E1193 SuperProblem (Website) 18/02/2022
P1415784
(2+9) C+
h#7
0.2.1...
1) 1. ... d2-d3 2. e5-e4 d3-d4 3. e4-e3 d4-d5 4. e3-e2 d5-d6 5. e2-e1=L d6-d7 6. Le1-c3 d7-d8=S 7. Lc3-g7 Sd8-f7#
2) 1. ... d2-d4 2. a7-a5 d4xe5 3. a5-a4 e5-e6 4. a4-a3 e6-e7 5. a3-a2 e7-e8=S 6. a2-a1=L Se8-d6 7. La1-g7 Sd6-f7#
play all play one stop play next play all
Yuri Bilokin: you can see 1.e4 d4 2.e3 d5 3.e2 d6 4.e1=B d7 5.Bc3 d8=S 6.Bg7 Sf7# (2024-03-13)
comment
Keywords: Minimal (B), Pawn step variations, Excelsior white, Excelsior black (in 2), under-promotion B/S, konsekutive Umwandlungen 2 (lS,Sl), Model mate, Smothered mate, Selfblock, Corner mate
Genre: h#
Computer test: Popeye 4.83
FEN: 6nk/p6n/8/4p3/8/6pp/3P2p1/6Kb
Input: Marcin Banaszek, 2024-03-13
Last update: Gunter Jordan, 2024-03-13 more...
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