Die Schwalbe

15 problem(s) found in 4764 milliseconds (displaying 15 problem(s)). [COMMENTDATE>=20200919 AND NOT K='Hilfsrückzüger' AND K='Batteriematt horizontal' AND NOT A='Didenko, Wladimir W.' AND NOT A='Dikussarow, Andrej N.' AND K='Abzugsmatt'] [download as LaTeX]

1 - P1082139
Wolfgang Weber
7252 Schach-Echo 11/1972
P1082139
(6+7) C+
s#5*
* 1. ... Kxe7#
1. Kb8! Kd8 2. Sc6+ Ke8 3. Se5 Kd8 4. e7+ Ke8 5. Kc8 Kxe7#
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SCHRECKE: C+, Gustav 4.1d, Brute Force (2021-11-09)
comment
Keywords: discovered checkmate, Batteriematt horizontal, Fata Morgana, Change of Sacrifices
Genre: s#
FEN: 2K1krb1/1P2Nn1p/4P2p/1n5Q/B7/8/8/8
Input: HBae, 2009-02-06
Last update: Gunter Jordan, 2023-02-26 more...
2 - P1250145
Eduard Birgfeld
Fata Morgana 1922
Gewidmet allen Mitarbeitern
P1250145
(11+8) C+
s#5*
* 1. ... dxe4 2. Da1 e3 3. Lb2 e2 4. Lxg7 Txg7 5. Dxg7+ Kxg7#
1. Lb2! dxe4 2. Da7 e3 3. Da1 e2 4. Lxg7 Txg7 5. Dxg7+ Kxg7#
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SCHRECKE: C+ (auch Satz), Gustav 4.1d, Brute Force (2021-11-12)
comment
Keywords: Turton (-verwandt), Mutate, Batteriematt horizontal, discovered checkmate, ambush, Periführung
Genre: s#
FEN: 4K1kr/3RP1pr/6Pp/1p1p3P/1P1QB3/B7/2p5/2N1N3
Reprints: 2) idee & form 156, p. 5272, 10/2022
Input: Frank Müller, 2012-09-29
Last update: Gunter Jordan, 2022-11-19 more...
3 - P1347831
Kenneth Solja
Harri Hurme

13846 Springaren 143 03/2017
5. Preis
P1347831
(8+11) C+
h#2
2.1...
b) wSd3->c5
a) 1) 1. Kxb3 Ld4 2. Dc4 Sc5 (A)#
2) 1. Dd5 Sdc5 (A) 2. Scd4 Sa5#
b) 1) 1. Td5 Sd3 2. Sc3 Sd2 (B)#
2) 1. Td5 Sd2+ (B) 2. Kd4 Scb3#
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Kenneth Solja: The problem got 5th Prize. PR Steve Dowd (2023-11-27)
comment
Keywords: discovered checkmate (in a1+b2), Batteriematt diagonal (in b2), Batteriematt horizontal (in a1), Selfblock, Twin
Genre: h#
FEN: 8/B3p3/2n1P3/1q6/Prk2P1K/pN1N2R1/p1p2b2/1n1r4
Input: Gunter Jordan, 2018-03-09
Last update: Dieter Berlin, 2023-11-27 more...
4 - P1387012
Antanas Vilkauskas
Nikolai Zujew

E770 SuperProblem (Website) 23/05/2019
P1387012
(3+9) C+
h#5
2.1...
1) 1. e1=T+ Tf1 2. Te4 Kxg2 3. Kd4 Td1+ 4. Ke3 Kf1 5. Lf4 Td3#
2) 1. Lc6 Txg4 2. Lb5 Kxg2 3. Lf4 Kf3 4. Kc4 Kxf4 5. c5 Ke5#
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A.Buchanan: 1) We really need a better way to tag individual solutions. The comma normally separates phases e.g. promotion(S,T), and we should logically extend this. If there is a parameter, then this can be done elegantly as e.g. promotion(,T), but if there is no parameter, then what to do? Maybe e.g. "model mate(@,)" What do you think?
2) Proliferation of keywords is all very clever, but until they are populated, they are useless, and overlapping ones without an overall plan are very counter-productive. So here we see *four* over-specialized keywords for discovered checks. It's not trivial to fix, so please let's not dig the hole any deeper.
3) Under-promotion is only meaningful for direct mates and studies (and even there is redundant with parameters). I will always remove it in help & self compositions if I comes to my attention, and ultimately hope Gerd can run some script to replace all inappropriate occurrences.
4) Please can someone provide descriptions for Selfblock and Tschumakow.
Thanks so much! :D (2021-03-06)
Viktoras Paliulionis: Definitions of Self-block and Chumakov:
http://helpman.komtera.lt/definition/Self-block
http://helpman.komtera.lt/definition/Chumakov_theme (2021-03-06)
A.Buchanan: Thanks for these definitions. In the end, PDB should have automatic discovery of as many keyword assignments as possible, like Helpmate Analyzer and WinChloe do today. Gerd is just beginning to explore this for very simple stuff, but it presupposes for most keywords that the solutions are known.
Selfblock: "The opposite side takes advantage of it." What does this mean exactly in the context of help stipulations, or where the non-mating K is blocked?
Chumakov/Tschumakow Theme:
The qualifiers "basic" & "simplified" are misleading. The underlying weakness is a failure to name the atom of Chumakov: a single unit which behaves differently in different phases. So-called "basic" is really "doubled", and so-called "simplified" is "symmetric".

"Belfort" suffers from the same refusal to identify the singular, and only accept talking in plurals. The Belfort Theme in some random tourney a long time ago was defined on more than one piece exhibiting the property, but one really wants to talk of a Belfort piece, even though a single Belfort piece is nothing to celebrate. But from a *naming* point of view, we should have it. (2021-03-07)
Viktoras Paliulionis: This definition of selfblock is generic. In the case of a helpmate, it is important that the piece that moved to the king's field is actually needed in the mating position as a blocker. Otherwise, if the king’s field is guarded by White, then the move to this field is not a selfblock, the motive for such move may be, for example, line-closing or hideaway (the piece could be removed in the final position without affecting the mate).
Selfblocking can also occur in White's play, but only as a negative effect (AntiZielElement) followed by an unblocking (selfblock/unblock). (2021-03-08)
Viktoras Paliulionis: Only the first form is the real theme of Chumakov. Such a definition of the theme is found in most sources. Additionally, the theme can have a double form (2+2), (3+3) or even (4+4).
The second interpretation of the theme also is used, but actually it is a different theme, it is just an exchange of functions (captured/selfblock). This is a simpler theme to implement, that's why I called it "simplified Chumakov". (2021-03-10)
Yuri Bilokin: Currently there is no Chumakov topic in this problem (2022-05-04)
more ...
comment
Keywords: discovered checkmate (in 2), Battery creation (in 2), Batteriematt horizontal (in 2), Königsbatterie (in 2), Model mate (in 1), Checking key (in 1), Selfblock, Promotion key (t,), Tschumakow Theme
Genre: h#
Computer test: C+ Popeye 4.61
FEN: b7/2p5/3b4/2k5/5Rp1/2p3p1/2P1p1p1/6K1
Input: Gunter Jordan, 2021-03-05
Last update: A.Buchanan, 2021-03-06 more...
5 - P1392670
Ivan Soroka
2122v Gaudium 236 31/01/2021
P1392670
(8+10)
s#18
1. Se6! droht 2. Sxd4+ Lxd4#
1. ... Kd5 2. Sg5+ Kc6 3. Se5+ Kc5 4. Lxa7+ Kd6 5. Sc4+ Kc6 6. Sxa5+ Kd6 7. Sc4+ Kc6 8. Se5+ Kd6 9. Lb8+ Kc5 10. Sd3+ Kc6 11. Sb4+ Kc5 12. Se6+ Kc4 13. Sg7+! Kc5 14. Sd3+ Kc6 15. Se5+ Kc5 16. Sd7+ Kc6 17. Sf5 ... 18. Sxd4+ Lxd4#
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Dies ist die Korrektur der defekten Erstfassung. Diese Korrektur wurde in Gaudium 244, S. 4, 30/06/2021 veröffentlicht.

Vergleiche auch P1385993.
Henrik Juel: Popeye 4.61 with 'opt non 0 1' found no flaws (2021-08-10)
Henrik Juel: The animation might work correctly, if 4. La7+ was changed to 4. Lxa7+ (2021-08-10)
comment
Keywords: discovered checkmate, Discovered check, Batteriematt horizontal, Switchback (Sk)
Genre: s#
FEN: 1B4B1/pR1N4/P1k5/p1N5/3p1p2/1p6/1P4pr/1K4bq
Input: Gunter Jordan, 2021-08-10
Last update: Gunter Jordan, 2022-01-07 more...
6 - 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#
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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...
7 - P1403928
Torsten Linss
66 Sachove umeni 08/2022
1. ehrende Erwähnung (2021-22)
P1403928
(4+2) C+
hs#6.5
1. ... Tb1 2. Tc8 Kb2 3. Lc7 Kc1 4. Kg1 Kd1 5. Lh2 Ke1 6. Tc2 Td1 7. Te2+ Kxe2#
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Henrik Juel: C+ Popeye 4.61 (2022-08-30)
comment
Keywords: Critical move (T-L), Critical move (t-k), Bahnung, Indian, Selfblock, Switchback (T), Battery creation, discovered checkmate, Batteriematt horizontal, Königsbatterie, Rook sacrifice, Minimal, Miniature
Genre: Fairies
Computer test: DB-2020.1
FEN: 3B4/8/8/8/8/8/2R3PK/k5r1
Input: TLi, 2022-08-30
Last update: TLi, 2024-01-30 more...
8 - P1406954
Ivan Soroka
S594 Problem-Forum 2018
3. Preis
PR Sven Trommler
P1406954
(10+5) C+
s#6
1. Dd4! (Z) axb1=S 2. dxe8=L+ Kc8 3. Ld7+ Kb7 4. Tb8+ Kxa6 5. Lb5+ Ka5 6. Dc3+ Sxc3#
1. ... axb1=L 2. dxe8=S+ Kc8 3. S8c7+ Kb7 4. Dd5+ Kb6,Ka7 5. Sa8+ Kxa6 6. Lxd3+ Lxd3#
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Der Preisbericht erschien in Gaudium 260, 10/06/2022.

PR: "Die beiden reziproken Unterverwandlungen werden mit Hilfe von mehreren Batterien realisiert, die zunächst aufgebaut und danach abgefeuert werden. Dabei legt der schwarze König in beiden Varianten einen weiten Weg zurück, bis er die passende Position erreicht hat. Der Materialeinsatz ist sehr sparsam, wobei der wLg6 für meinen Geschmack dennoch etwas unterbeschäftigt ist. "
SCHRECKE: vergleiche: P1184753 (2022-12-31)
comment
Keywords: discovered checkmate, Discovered check, Batteriematt horizontal, Battery play, double-check mate, under-promotion (sL, lS), under-promotion key, under-promotion B/S
Genre: s#
FEN: 3kb2R/Q2P3R/N5BP/8/8/3p4/p2P4/rN1K4
Reprints: Gaudium 260, p. 1, 10/06/2022
Input: Gunter Jordan, 2022-12-31
Last update: Gunter Jordan, 2022-12-31 more...
9 - P1407480
Christer Jonsson
2364 Gaudium 31/07/2022 31/07/2022
besondere ehrende Erwähnung
Abt. h#2,5-3,5
PR Manfred Rittirsch
P1407480
(3+2) C+
h#3
3.1...
1) 1. Kc4 Te3 2. Kd4 Kb5 3. Sd5 Sf5#
2) 1. Kd6 Th8 2. Kd7 Sg8 3. Kc8 Sxf6#
3) 1. Sd7+ Kb7 2. Kc5 Te5+ 3. Kd6 Sf7#
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Yuri Bilokin: you can see 1...Re3 2.Kd4 Kb5 3.Sd5 Sf5#
1...Kb5 2.Kd4 Re3 3.Sd5 Sf5#
1...Re4 2.Se8 Sg4 3.Sd6 Sf6#
1...Kb7 2.Sd7 Re5+ 3.Kd6 Sf7# (2023-02-02)
comment
Keywords: discovered checkmate (in 2), Aristocrat, Batteriematt horizontal (in 2), Echo, Remote selfblock (in 3), Ideal mate, Indian (in 2), Minimal (s), Selfblock (in 1), Tempo Move, Miniature
Genre: h#
Computer test: Popeye Windows-64Bit v4.85 (4096 KB)
FEN: 4R3/8/1K3n1N/3k4/8/8/8/8
Input: Gunter Jordan, 2023-01-29
Last update: Gunter Jordan, 2023-11-27 more...
10 - 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#
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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...
11 - P1409040
Frank Richter
TT-268 SuperProblem (Website) 08/04/2022
1. Preis
P1409040
(11+13)
s#2
1. e6! droht 2. Df5+ Dxf5#
1. ... b5 2. Dxc4+ bxc4#
1. ... c5 2. Dxd4+ cxd4#
1. ... cxd5 2. Lxc4+ dxc4#
1. ... f5 2. De4+ fxe4#
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Thema: Mindestens zwei schwarze Bauernbatterien setzen matt. Dieser Task mit vier Abspielen erhielt vom PR Sergej Borodawkin den Spitzenplatz.
SCHRECKE: C+, popeye 4.87 (2023-04-25)
comment
Keywords: Line opening, Line closing, selfpinning, Pelle move, Unpinning, Queen sacrifice (4-fach), Batteriematt horizontal, discovered checkmate
Genre: s#
FEN: 5R2/5rp1/ppp2pP1/q2QP2K/rppb3P/3k1P2/B1R4n/N5B1
Input: Frank Richter, 2023-04-25
Last update: Gunter Jordan, 2023-04-26 more...
12 - P1409109
Rainer Paslack
2395 Gaudium 266 31/10/2022
P1409109
(11+6)
#2v
* 1. ... cxb3 2. c3,c4#
1. Sa1? droht 2. c3# [A]
1. ... droht 2. Db7# [B]
1. ... e5 2. c3# [A]
1. ... fxg4 2. Db7# [B] [2.c3??], aber 1. ... c3!
1. Sc5! droht 2. c3# [A]
1. ... fxg4 2. Db7# [B]
1. ... c3 2. Sd3#
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Henrik Juel: C+ Popeye 4.61 also (2023-04-28)
comment
Keywords: Goethart-Thema, discovered checkmate, Batteriematt horizontal, Line opening, pin-mate, selfpinning, Doppeldrohung (in Verführung)
Genre: 2#
Computer test: Popeye Windows-64Bit v4.85 (4096 KB)
FEN: 7B/4p2B/5r2/P4p2/R1p3P1/1N4p1/NkP3Q1/3R3K
Input: Gunter Jordan, 2023-04-28
Last update: Gunter Jordan, 2023-04-28 more...
13 - P1409310
Jean Carf
G886 Problemist Ukrainy 76 04-06/2023
P1409310
(3+7)
pser-s#14
1. Lg3 2. Lxh4 3. Lxe1 4. Lxc3 5. Ld4 6. c4 7. c5 8. c6 9. c7 10. c8=D 11. Dxg4 12. Df3+ Ke1 13. ... Lb2 14. De2+ Kxe2#
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SCHRECKE: C+, popeye 4.87 (2023-05-05)
comment
Keywords: Parry Series, Promotion (D), Antiphönix, Selfblock, Batteriematt horizontal, discovered checkmate, Königsbatterie, Seriesmover, Queen sacrifice
Genre: Fairies
FEN: 1B6/8/8/8/6pb/1pp5/2P5/2K1nk1r
Input: Marcin Banaszek, 2023-05-05
Last update: Gunter Jordan, 2024-01-28 more...
14 - P1410798
Frank Richter
harmonie 48, p. 185, 12/1996
nach Y. Lubton, Die Schwalbe 1985
P1410798
(5+7) C+
s#3
1. Tc2! Zugzwang f1=S 2. Dd5+ Ld4 3. Td2+ Sxd2#
1. ... f1=L 2. Sc5+ Lxc5 3. De2+ Lxe2#
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Beispielaufgabe im Artikel "Schwarze Batterietransformation im Selbstmatt"
SCHRECKE: Lubton: P1103796 (2023-07-07)
comment
Keywords: Batterietransformation (schwarz), under-promotion B/S, discovered checkmate, Batteriematt horizontal
Genre: s#
FEN: 2R5/8/8/4QN2/4N3/3k2p1/5ppp/3K2br
Input: Frank Richter, 2023-07-07
Last update: Gunter Jordan, 2023-07-07 more...
15 - P1414541
Daniel Novomesky
4968 Sachmatija 03/22 07-09/2022
P1414541
(3+3)
s#17
1. Ta6+! Kb8 2. Da7+ Kc8 3. Tc6+ Kd8 4. Dc7+ Ke8 5. Te6+ Kf8 6. De7+ Kg8 7. Tg6+ Kh8 8. Df8+ Kh7 9. Tg7+ Kh6 10. Df6+ Kh5 11. Th7+ Kg4 12. Th4+ Kg3 13. Dg5+ Kf3 14. Dg4+ Ke3 15. Df4+ Kd3 16. Dc4+ Ke3 17. Dc3+ Sxc3#
play all play one stop play next play all
Henrik Juel: Popeye 4.61 with 'opt non 0 1 thr 0' found no flaws (2024-01-17)
comment
Keywords: discovered checkmate, Aristocrat, Batteriematt horizontal, Queen sacrifice, Perpetual check, corner to corner (k), Königswanderung, Miniature, Switchback (k), Checking key
Genre: s#
FEN: k7/7Q/7R/8/8/8/8/1r1nK3
Input: Gunter Jordan, 2024-01-17
Last update: Gunter Jordan, 2024-01-17 more...
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The problems of this query have been registered by the following contributors:

HBae (1)
Frank Müller (1)
Gunter Jordan (8)
Stefan Höning (1)
TLi (1)
Frank Richter (2)
Marcin Banaszek (1)