Chess Problem Database Server

58 problem(s) found in 2396 milliseconds (displaying 58 problem(s)). [COMMENTDATE>=20220810 AND NOT S='Allgemeine Zeitung Chemnitz' AND S='The Problemist Supplement'] [download as LaTeX]

1 - P0576743
György Bakcsi
Laszlo Zoltan
PS849 The Problemist Supplement 38 01/1999

(8+8)
h#12
Ultraschachzwang

1. Lg5+ Kxg5 2. exf6 Kf4 3. fxe5 Ke3 4. exd4+ Kd2 5. dxc3+ Kc1 6. cxb2+ Kd2 7. c3+ Ke3 8. d4+ Kf4 9. e5+ Kg5 10. f6+ Kxg6 11. b1=D+ Kh6 12. Dg6+ Sxg6#
play all

SCHRECKE: C+, popeye 4.87 (2022-10-02)
comment

Keywords: Ultraschachzwang
Genre: Fairies
FEN: 5N1k/4pp2/4pPpK/3pP3/2pP3b/2P5/BP6/8
Input: Felber, Volker, 2000-01-02
Last update: Frank Müller, 2010-05-15 more...

2 - P1005163
Viktor Chepizhny
PS1183 The Problemist Supplement 53 07/2001

(3+3) C+
h#3
2.1...

1) 1. Kg1 Ld5 2. Sf2 Th2 3. Sh1 Tg2#
2) 1. Kh1 Tg5 2. Sh2 Lf1 3. Sg1 Lg2#
play all

Yuri Bilokin: you can see 1...Rg5 2.Sg3 Bf1 3.Sh1 Rg2# (MM)
1...Bd5 2.Sg3 Rg5 3.Sh1 Rg2# (MM)
1...Rg5 2.Sg3 Bd5 3.Sh1 Rg2# (MM) (2022-08-06)
Jean Marc Loustau: ****
Compare with P1100532. (2022-08-14)
comment

Genre: h#
Computer test: (Popeye WINDOWS98-32Bit-Version 3.75 (2048 KB))
FEN: 8/1K6/8/7R/2B5/7n/7k/5n2
Input: hpr, 2002-05-20
Last update: hpr, 2012-11-01 more...

3 - P1018607
Fabio Bosetti
PS115 The Problemist Supplement 7 07/1993

(9+7) C+
#2

1. Dg4! droht 2. De6#
1. ... Kxe5 2. Dg5#
1. ... Kc4 2. Dxe4#
1. ... Sf5 2. Dg8#
play all

BS Problemid: 3444
Authors: Bosetti, Fabio
Sources:
Years: 1993

Abdruck im 'Problemist Supplement' mit der Autorangabe: B Fabio (Italy)
SCHRECKE: C+, popeye 4.87
1. Dg4! droht 2. De6#
1. ... Kxe5 2. Dg5#
1. ... Kc4 2. Dxe4#
1. ... Sf5 2. Dg8# (2023-04-01)
comment

Keywords: Brian Stephenson Collection (3444)
Genre: 2#
Computer test: SCHRECKE (2023-04-01): C+, popeye 4.87
FEN: 4R2B/3Kn3/5b2/1pNkP3/4pQ2/1Nnb4/4B3/2R5
Input: Brian Stephenson, 2004-08-12
Last update: Mario Richter, 2023-04-01 more...

4 - P1018615
Mykola Kuligin
The Problemist Supplement 1993

(6+4)
#2

BS Problemid: 3452
Authors: Kuligin, Nikolai V
Sources:
Years: 1993

SCHRECKE: C+, popeye 4.87
1. Te5! droht 2. Le7#
1. ... Sc6 2. Lc7#
1. ... Se6 2. Td5# (2022-12-31)
comment

Keywords: Brian Stephenson Collection (3452)
Genre: 2#
FEN: 1nRBRn2/8/1N1k2p1/8/3P4/8/8/3K4
Input: Brian Stephenson, 2004-08-12

5 - P1018654
Arthur Willmott
The Problemist Supplement 1994

(8+10) C+
#2

1. b3! f1=D,T+ 2. Dxf1#
1. ... Sxd7 2. Dxg6#
1. ... Se7 2. Se5#
1. ... axb3 2. Dxb3#
1. ... bxa5 2. Sc5#
1. ... b4 2. Dc4#
1. ... g3 2. Df3#
1. ... g5 2. Df5#
play all

more ...
comment

Keywords: Brian Stephenson Collection (3491), Zugzwang-Goal
Genre: 2#
Computer test: SCHRECKE: popeye 4.87
FEN: 5n2/3N1Q2/1pn3p1/Pp6/p2p2p1/P2k4/1P1P1p2/3K3B
Input: Brian Stephenson, 2004-08-12
Last update: Dieter Berlin, 2022-12-02 more...

6 - P1018667

The Problemist Supplement 1995

(5+4)
#2

BS Problemid: 3504
Authors: Nymian, HS
Sources:
Years: 1995

SCHRECKE: C+, popeye 4.87
1. Da8! (Zugzwang)
1. ... Kxh2 2. Dh8#
1. ... gxh2 2. g3# (2023-02-14)
comment

Keywords: Brian Stephenson Collection (3504)
Genre: 2#
FEN: 8/8/8/8/6p1/3p2p1/3P2PP/Q4K1k
Input: Brian Stephenson, 2004-08-12

7 - P1018745
Charles Ouellet
The Problemist Supplement 1999

(12+9)
#2

BS Problemid: 3582
Authors: Ouellet, Charles
Sources:
Years: 1999

SCHRECKE: C+, popeye 4.87
1. Ld7! (Zugzwang)
1. ... Sc2 2. Tcd1#
1. ... Se2 2. Ted1#
1. ... Sxb3 2. Sxb3#
1. ... Sxf3 2. Sxf3#
1. ... Sxb5 2. Lxb5#
1. ... Sf5 2. Lxf5#
1. ... Sc6 2. Lxc6#
1. ... Se6 2. Lxe6#
1. ... bxc5 2. Da5# (2023-07-20)
comment

Keywords: Brian Stephenson Collection (3582)
Genre: 2#
FEN: 3QB2n/1p3p2/1p3Pp1/1PN1p1N1/3nKp2/1P3P2/1P1k4/2R1R3
Input: Brian Stephenson, 2004-08-12

8 - P1018751
Geoffrey K. Hicks
The Problemist Supplement 2000

(7+8)
#2

BS Problemid: 3588
Authors: Hicks, Geoffrey K
Sources:
Years: 2000

SCHRECKE: C+, popeye 4.87
1. Sd2! droht 2. Dxd7#
1. ... Kxd4 2. Sf1#
1. ... Lxd4 2. La2#
1. ... Le6 2. Dc5#
1. ... d6 2. Dc4# (2023-01-25)
comment

Keywords: Brian Stephenson Collection (3588)
Genre: 2#
FEN: 2K3b1/2Qp4/1P5p/3k3r/2NB1p2/5p2/8/1B1R2b1
Input: Brian Stephenson, 2004-08-12

9 - P1018752
Geoffrey K. Hicks
The Problemist Supplement 2000

(12+8)
#2

BS Problemid: 3589
Authors: Hicks, Geoffrey K
Sources:
Years: 2000

SCHRECKE: 1. Df2! droht 2. Tc5#
1. ... Sb2,Sc~ 2. Td7#
1. ... Sxb6 2. Sxb6#
1. ... Se3 2. Dd2#
1. ... Se5 2. Td4#
1. ... Sd6 2. Se3#
1. ... Dxf2 2. hxg8=D,L# (2023-01-25)
comment

Keywords: Brian Stephenson Collection (3589)
Genre: 2#
FEN: N1BK2b1/rpR1P2P/1P6/1P1k1N2/2n1R3/n4P2/Q7/2r3q1
Input: Brian Stephenson, 2004-08-12

10 - P1018757
Givi Mosiashvili
The Problemist Supplement 2000
5. ehrende Erwähnung

(11+4)
#2

BS Problemid: 3594
Authors: Mosiashvili, Givi
Sources: The Problemist 2002
Years: 2000

SCHRECKE: C+, popeye 4.87
1. Dd1! (Zugzwang)
1. ... Lxb4 2. Tc3#
1. ... axb5 2. Td3# (2023-03-23)
Iwan Soroka: 1.Tc3? (A) axb5! (a)
1... Lxb4 (b) 2.Dd1# (C)
1... Kxb4 2.e5#

1.Td3? (B) Lxb4! (b)
1... axb5 (a) 2.Dd1# (C)
1... Kxb5 2.Ta3#

1.Dd1! (C) Zugzwang!
1... Lxb4 (b) 2.Tc3# (A)
1... axb5 (a) 2.Td3# (B)

Banny, Salazar. (2023-03-23)
comment

Keywords: Brian Stephenson Collection (3594)
Genre: 2#
FEN: 8/1N6/pp6/bP3P2/kN2P1Q1/1R2K3/P7/4BB2
Reprints: The Problemist 2000
Input: Brian Stephenson, 2004-08-12
Last update: Frank Müller, 2011-04-25 more...

11 - P1018915
Alexandr P. Otschkur
The Problemist Supplement 2000

(7+2)
#4

BS Problemid: 3752
Authors: Ochkur, Aleksandr
Sources:
Years: 2000

Rosalie Fay: 1. Se7 (droht 2. Sc6) Kc5 2. Se4+ Kd4 3. Sc6+ Kxe4 4. Df3#;
1. ... Ke5 2. Db4 (droht 3. Sf3+) Kf6 3. Dh4+ Ke5 4. Sc4#
C+ Popeye Windows-64Bit v4.69 (2023-12-31)
comment

Keywords: Brian Stephenson Collection (3752)
Genre: n#
FEN: 6NK/8/6P1/3P4/3k4/1Q4p1/3N2P1/8
Input: Brian Stephenson, 2004-08-12
Last update: Frank Müller, 2011-10-28 more...

12 - P1018921
Stephen Rothwell
The Problemist Supplement 1998

(9+9) C+
#5

1. Sd4! cxd4 2. Sf2 exf2 3. Tf5+ Kxf5 4. Tf7+ Ke5 5. Lf4# 3. ... exf5 4. Te7+ Kd6 5. La3#
play all

more ...
comment

Keywords: Brian Stephenson Collection (3758), Sacrifice key, Sacrifice of white pieces (S, S, T), Epaulettenmatt
Genre: n#
Computer test: SCHRECKE: Gustav 4.2b
FEN: 1b5r/3R4/1p2p3/1Pppk1PP/5R2/1Np1pK1N/8/2B5
Input: Brian Stephenson, 2004-08-12
Last update: Dieter Berlin, 2023-05-16 more...

13 - P1028384
Cor Goldschmeding
2nd International Team Match , p. 1967-1970,
1. Platz

(9+11)
#2

1. Sxd7! droht 2. Sb6#
1. ... Sxc4 2. Txd3#
1. ... Dxe4 2. Dc5#
1. ... Dxc4 2. De5#
1. ... Kxc4 2. Se5#
1. ... fxe4 2. Se5#
play all

'The Problemist Supplement': "The WCCT tourney of the time required #2s demonstrating changed self-blocks. The judge was Jeremy Morse and F [i.e. dieses Problem] was a clear winner. Set 1…Qxc4 2.Sf3; 1…Sxc4 2.Sc6; 1…Qxe4 2.c3; 1…fxe4 2.Rxd7 but nothing is set for 1…Kxe4. The strong give-and-take key forms a powerful battery. 1.Sxd7! (>2.Sb6) Qxc4 2.Qe5; 1…Sxc4 2.Rxd3; 1…Qxe4 2.Qc5; 1…fxe4 2.Se5 (switchback). This last mate also follows 1…Kxc4. There is no extraneous play and the wRd8 provides full value in both phases – a beautiful work. In his award Jeremy mentions that those few predecessors of which he was aware all suffered from certain shortcomings."

genaue Bezeichnung Original-Quelle unklar:
FIDE-Album: 1. Pl. WCCT 1970
Meson-DB (pid=10694): 1st Place, 2. International Team (Friendship) Match, 1967-1970
The Problemist Supplement: 1 Pl 2nd International Team Competition 1967-70
'Chess Wizardry': 1st place, International Team Tourney 1969
SCHRECKE: C+, popeye 4.87 (2023-07-10)
comment

Keywords: Brian Stephenson Collection (13271)
Genre: 2#
FEN: 3R3K/2ppQ3/7p/p3Np1r/2PkPp2/1R1q4/1nPP4/6b1
Reprints: 1 Hochschulspiegel TH Karl-Marx-Stadt 11 06/1972
152 FIDE Album 1968-1970 1977
Mat Plus 1994
336 Chess Wizardry [Rice] , p. 278, 1996
F The Problemist Supplement 157, p. 679, 11/2018
Input: Brian Stephenson, 2004-08-12
Last update: Rainer Staudte, 2023-07-13 more...

14 - P1033298
Stefan Dittrich
(8) idee & form , p. 265, 07/1986
3. Preis
1. Thematurnier

(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

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...

15 - P1051971
E. Simbolon
The Problemist Supplement 1994

(5+3)
#4

BS Problemid: 37013
Authors: Simbolon, E
Sources:
Years: 1994

Rosalie Fay: 1. Se5 zz Kg1 2. Sf3+ Kf1 3. d4 (droht Lc4#) g1=D/g1=L 4. Sd2#;
2. ... Kh1 3. Lf2 zz g1=D+/g1=T+/g1=S 4. Sxg1#
C+ Popeye Windows-64Bit v4.69 (2023-12-29)
comment

Keywords: Brian Stephenson Collection (37013)
Genre: n#
FEN: 8/8/8/3B4/6NB/3P4/6pp/3K3k
Input: Brian Stephenson, 2004-08-12
Last update: Felber, Volker, 2011-03-10 more...

16 - P1051975
Ian Shanahan
The Problemist Supplement 1995

(5+3)
#4

BS Problemid: 37017
Authors: Shanahan, Ian
Sources:
Years: 1995

Ian Shanahan: This is just a version by Dr Werner Speckmann. I do not consider it to be my problem. (2014-01-20)
Rosalie Fay: 1. Lh7 zz Ke5 2. Kf7 zz e6 3. Kg6 zz Ke4 4. Kf6#
Indian
C+ Popeye Windows-64Bit v4.69 (2023-12-29)
comment

Keywords: Brian Stephenson Collection (37017)
Genre: n#
FEN: 5K2/4p3/4k3/7N/4B3/5p2/5P2/3R4
Input: Brian Stephenson, 2004-08-12

17 - P1059947
Evgeny Fomichev
The Problemist Supplement 2002

(4+5)
#4

BS Problemid: 45017
Authors: Fomichev, Evgeny V
Sources:
Years: 2002

Rosalie Fay: 1. Df8 (droht 2. Lc7+) Lc8 2. Dxc8 (droht 3. Lc7+) Lxc5 3. Ld6+ Ka7 4. Lxc5#;
1. ... Lxc5 2. Ld6+ Lc8 3. Dxc8+ Ka7 4. Lxc5#; 2. ... Ka7 3. Lxc5+ Ka6 4. Df1#
C+ Popeye Windows-64Bit v4.69 (2023-12-31)
comment

Keywords: Brian Stephenson Collection (45017)
Genre: n#
FEN: kB6/1b6/2p5/p1P5/5Q2/b7/8/7K
Input: Brian Stephenson, 2004-08-12
Last update: Felber, Volker, 2011-03-22 more...

18 - P1064764
Petros Lambrinakos
The Problemist Supplement 2003

(5+7)
#3

BS Problemid: 49856
Authors: Lambrinakos, Petros
Sources:
Years: 2003

SCHRECKE: C+, popeye 4.87
1. Lh7! (Zugzwang)
1. ... Kb3 2. Ld3 Kb4,Kc3 3. Dxc4#
1. ... Kb4 2. Lg8 droht 3. Dxc4#
2. ... Kxb5 3. Db7#
1. ... Kd4 2. Lg8 Ke5 3. Df4#
2. ... Kc3,Kd3 3. Dxc4#
2. ... Ke4,c3 3. Dd5# (2023-04-26)
comment

Keywords: Brian Stephenson Collection (49856)
Genre: 3#
FEN: 8/5Q2/7B/pPp5/p1p1B3/p1k5/p7/K7
Input: Brian Stephenson, 2004-08-12
Last update: Felber, Volker, 2011-03-24 more...

19 - P1068378
Gianni Donati
The Problemist Supplement 2001-2002
1. Preis, TT3

(15+13) C+
BP in 20,0

1. e3 Sf6 2. Lb5 Sd5 3. Lc6 dxc6 4. Ke2 Dd6 5. Kd3 Dg3 6. hxg3 h6 7. Txh6 f5 8. Tf6 Th4 9. Se2 Tc4 10. Dh1 Tc3+ 11. bxc3 Sb6 12. La3 Sc4 13. Ld6 Sa5 14. Sa3 Sb3 15. Tb1 Sd4 16. Tb4 Se6 17. Tg4 Sd8 18. Tgg6 Sf7 19. g4 Sh6 20. Sg3 Sg8
play all

12-zügiger Rundlauf des sSg8, der früh nach d5 spielen muß, um Schachschutz zu geben.

Moldenhauer: Computerprüfung: C+ Stelvio 1.0 01:13:11 Stunde.
Keine Lösung: BP 19.0, BP 19.5. (2023-03-01)
comment

Keywords: Unique Proof Game, Pure Round Trip (s12), Check Protection
Genre: Retro
Computer test: Stelvio 1.0
FEN: rnb1kbn1/ppp1p1p1/2pB1RR1/5p2/6P1/N1PKP1N1/P1PP1PP1/7Q
Reprints: (B) Quartz 28 07-09/2005
Input: Gerd Wilts, 2006-03-12
Last update: Silvio Baier, 2023-03-02 more...

20 - P1068380
Michel Caillaud
The Problemist Supplement 2001-2002
4. ehrende Erwähnung, TT3

(15+13) C+
BP in 21,0

1. e4 a5 2. Ke2 Ta6 3. Kf3 Tc6 4. Kg4 Tc3 5. dxc3 Sc6 6. Le3 Sa7 7. Lc5 Sb5 8. Dd4 Sd6 9. Sd2 Sf5 10. Te1 d6 11. Te3 Le6 12. Th3 Lb3 13. Th6 gxh6 14. cxb3 Lg7 15. b4 Le5 16. Sb3 Lg3 17. hxg3 Sg7 18. Th5 Se6 19. Kh3 Sf8 20. Kh2 Sd7 21. Kh1 Sb8
play all

10-zügiger Rundlauf des sSb8 zwecks Schachschutz auf f5

Henrik Juel: Natch 3.1 produced little in an hour (2018-12-16)
Moldenhauer: Computerprüfung: C+ Stelvio 1.11 00:34:52 Minuten. (hh:mm:ss)
Keine Lösung: BP 20.0, BP 20.5. Histogramm 44/0k. (2023-03-16)
comment

Keywords: Unique Proof Game, Pure Round Trip (s10), Check Protection
Genre: Retro
Computer test: Stelvio 1.11
FEN: 1n1qk1nr/1pp1pp1p/3p3p/p1B4R/1P1QP3/1NP3P1/PP3PP1/5BNK
Reprints: (D) Quartz 28 07-09/2005
Input: Gerd Wilts, 2006-03-12
Last update: Silvio Baier, 2023-03-20 more...

21 - P1120350
Petros Lambrinakos
PS1413 The Problemist Supplement 65, p. 555, 07/2003

(6+1)
#3

1. Sh6 Ke3 (1... Ke5 2. Tc6+ Kd4 3. Sf5#) 2. Tc1
play all

A2-LSS
SCHRECKE: C+, popeye 4.87 (2022-12-15)
comment

Keywords: Miniature Collection (0225641)
Genre: 3#
FEN: 1B6/K1R5/8/8/3k2N1/5B2/4P3/8
Input: Felber, Volker, 2010-09-11
Last update: Felber, Volker, 2010-09-11 more...

22 - P1121871
Nikolay S. Zinovyev
PS1140 The Problemist Supplement 52, p. 436, 05/2001

(4+3) C+
#10

1. Ka1! a4 2. Lb1 a3 3. La2 Kh7 4. Lxf7 a2 5. Lf8 Kh8
6. Lg6 Kg8 7. Lh6 Kh8 8. Kxa2 Kg8 9. f7+ Kh8 10. f8=D,T#
play all

BUD1
more ...
comment

Keywords: Miniature Collection (0069258), Miniature, Promotion in the mating move (D, T)
Genre: n#
Computer test: A. Baumann: Gustav 4.2a
FEN: 6k1/5pB1/5P2/p4B2/8/8/8/1K6
Input: Felber, Volker, 2010-09-11
Last update: Dieter Berlin, 2023-12-14 more...

23 - P1128742
Vladislav Metlitsky
PS1488 The Problemist Supplement 69, p. 592, 03/2004
John + Ann Rice gewidmet

(4+3)
#5

1. Sd3 bxa3 2. Sxa2 Kxa2 3. Kc2 Ka1 4. Sc1 a2 5. Sb3#
play all

SX13
SCHRECKE: C+, Gustav 4.2b, Brute Force (2023-01-31)
comment

Keywords: Miniature Collection (0228959)
Genre: n#
FEN: 8/8/8/8/1p6/B1N5/pN6/k1K5
Input: Felber, Volker, 2010-09-11
Last update: Felber, Volker, 2010-09-11 more...

24 - P1151048
Vladimir V. Nikitin
The Problemist Supplement 1995

(5+1)
#5

1. a8=S+

vf: auch 22.01.1997, Troll
Rosalie Fay: 1. a8=S+ Kb8 (Kd8 2. Kf6 ~ 3. c7+ Kd7 4. c8=D+) 2. c7+ Ka7 3. c8=S+ Kb8 4. Se7 ~ 5. Sc6#
Underpromotion (SS)
konsekutive Umwandlungen 2
C+ Popeye Windows-64Bit v4.69 (2023-12-20)
comment

Keywords: Miniature Collection (0078704), Multiple publication
Genre: n#
FEN: 8/PBk5/P1P5/4K3/8/8/8/8
Reprints: 310 Troll 3 22/01/1997
Input: Felber, Volker, 2010-09-12
Last update: Felber, Volker, 2013-01-23 more...

25 - P1158302
Angel D. Zlatanov
1540 The Problemist Supplement 71, p. 620, 07/2004

(2+4)
#3

1. Dg6? Ld1!
1. Dh7! Le3,La3,Lb2 2. Db1+ Lc1 3. Dxc1#
1. Dh7 Ld2 2. Dxh3+ Kg1 3. Dg2#
2. ... Ke1 3. Dh1#
1. Dh7 Kg1 2. Dxh3 nebst 3. Dg2#
1. Dh7 Ke1 2. Dd3 nebst 3. De2#
1. Dh7 h2 2. Dd3+ Kg1 3. Dd1#
2. ... Ke1 3. De2#
play all

HX1 e482 3m
vf: a1<>h1, Fritjof Lindgren, 30.09.1916, Aftonbladet (P1132020)
Henrik Juel: C+ Popeye 4.61 (2023-07-04)
comment

Keywords: Miniature Collection (0011530), Minimal, anticipated (P1132020), Miniature
Genre: 3#
FEN: 6Q1/8/8/8/5p2/5K1p/8/2b2k2
Input: Felber, Volker, 2010-09-12
Last update: Mario Richter, 2023-07-04 more...

26 - P1170998
Viktor S. Kolpakov
PS1078 The Problemist Supplement 49, p. 409, 11/2000

(4+2)
#5

1. Kg2

Rosalie Fay: 1. Kg2 zz e5 2. Df6+ Kc5 3. Dc6+ Kd4 4. Kf2 ~ 5. Lb2#
2. ... Kc7 3. Dc6+ Kd8 4. Sd5 ~ 5. Le7#; 3. ... Kb8 4. Sa6+ Ka7 5. Lc5#
2. ... Kd7 3. Sa6 (droht 4. Dd6+) Kc8 4. De7 ~ 5. Dc7#
C+ Popeye Windows-64Bit v4.69 (2023-12-20)
comment

Keywords: Miniature Collection (0085917)
Genre: n#
FEN: 8/6Q1/3kp3/8/1N6/B7/8/7K
Input: Felber, Volker, 2010-09-12
Last update: Felber, Volker, 2010-09-12 more...

27 - P1179682
Richard J. Dunn
829 The Problemist Supplement 11/1998

(8+8) C+
s#3

1. Dd2? Sg5! 1. Dh2? Sg1!

1. De1! Sg1 2. Df1 Sh3 3. Dxh3 Lf7#
1. De1! Sg1 2. Df1 Sxf3 3. Dh1 Lf7#
1. De1! Sg1 2. Df1 Se2 3. Dxe2 Lf7#
1. De1! Sg5 2. De4+ Sxe4 3. dxe4 Lf7#
play all

more ...
comment

Genre: s#
Computer test: SCHRECKE: popeye 4.89
FEN: 2K3br/7p/2k1p2P/P1p1P3/2P2p2/3P1P1n/4Q3/8
Input: Frank Müller, 2010-11-07
Last update: Dieter Berlin, 2024-02-11 more...

28 - P1183475
Andrey Zhuravlev
627 The Problemist Supplement 07/1997

(8+8) C+
s#2
Zwei Lösungen

1) 1. Txc7! Sb3 2. Dxb3 La7#,L~
1. ... Sc4 2. Txc4 La7#,L~
1. ... Sxc6 2. T2xc6+ Lb6#
1. ... Sb7 2. Txb7 La7#,L~

2) 1. Tcb2! Sxb7 2. Txb7 La7#,L~
1. ... Sb3 2. T2xb3 La7#,L~
1. ... Sc4 2. Dd3 La7#,L~
1. ... Sxc6 2. Dg6 La7#,L~
play all

SCHRECKE: C+, popeye 4.87 (2023-02-07)
comment

Keywords: Grab
Genre: s#
FEN: 8/1Rp5/k1P5/n7/8/P5p1/2RBP1pp/1Q2K1br
Input: Frank Müller, 2010-12-28
Last update: Marcin Banaszek, 2023-02-07 more...

29 - P1183478
Stephen Rothwell
648 The Problemist Supplement 09/1997

(6+10) C+
s#2

1. Dxe5! droht 2. Dg3+ Lxg3#
1. Dxe5 Td6 2. Dxd4+ Txd4#
1. Dxe5 Txe5 2. Se4+ Txe4#
1. Dxe5 Sxe5 2. Sd3+ Sxd3#
1. Dxe5 Sf4 2. De2+ Sxe2#
1. Dxe5 Sh4 2. Tf3+ Sxf3#
play all

more ...
comment

Genre: s#
Computer test: SCHRECKE: popeye 4.89
FEN: 1b5r/p7/6nq/2Nrp1p1/3pQ3/7R/5k1K/3B3R
Input: Frank Müller, 2010-12-28
Last update: Dieter Berlin, 2024-02-08 more...

30 - P1187875
Vitaly Medintsev
PS2254 The Problemist Supplement 103 11/2009

(5+5)
h#2
3.1...

1) 1. La5 Lb8 2. Ld8 exd8=S#
2) 1. Lh6 Tf4 2. Lf8 exf8=S#
3) 1. Sxe7 d7 2. Sd5 d8=S#
play all

SCHRECKE: C+, popeye 4.87 (2023-09-12)
comment

Genre: h#
FEN: 4n3/2B1PR2/3Pk3/3np3/8/5K2/3b4/8
Input: Vitaly Medintsev, 2011-02-22
Last update: Alfred Pfeiffer, 2014-08-18 more...

31 - P1227539
Rainer Ehlers
PS598 The Problemist Supplement 26, p. 236, 05/1997

(14+5) C+
#6

1. Sd5! Kxd5 2. Le6+ Kxe6 3. Td6+ Kxd6 4. Sc7 Kxc7 5. Td8 Kxd8 6. b8=D#
play all

SBD: C+ Gustav 3.2d. 5x Hineinziehungsopfer? (2011-12-20)
SCHRECKE: Nolcken-Thema, 5-fach (2023-08-24)
comment

Genre: n#
Computer test: S.B. Dowd: Gustav 3.2 d
FEN: NR1R2K1/1P1BNp2/1pP2P2/1P3p2/2kP1p2/5P2/2P2P2/8
Input: Felber, Volker, 2011-12-19
Last update: Olaf Jenkner, 2011-12-20 more...

32 - P1276376
Viktoras Paliulionis
PS2753 The Problemist Supplement , p. 294, 07/2013

(3+3)
h#5
0.2.1...

1) 1. ... Kb2 2. Te1 Se3+ 3. Ke4 Sd1 4. Kd3 Kc1 5. Ke2 Lc4#
2) 1. ... Sa1 2. Se5 Sb3 3. Ke6 Kd2 4. Kd5 Sc5+ 5. Kd4 Se6#
play all

SCHRECKE: C+, Gustav 4.2b, Brute Force (2022-08-25)
comment

Keywords: Aristocrat
Genre: h#
FEN: 8/8/8/5k2/4r3/5n2/B1N5/2K5
Input: Felber, Volker, 2013-08-13
Last update: Felber, Volker, 2013-08-13 more...

33 - P1280622
Philippe Robert
PS2712 The Problemist Supplement , p. 278, 05/2013
3. Preis

(8+9)
#2

1. Dd3? droht 2. Dxd5#
1. ... c4 2. Dd4#
1. ... Sd~!
1. Dd2? droht 2. Dxd5#
1. ... Sd~ 2. Df4#
1. ... Se3!
1. Dd1? droht 2. Dxd5#
1. ... Sd~ 2. Da1#
1. ... Sc3!
1. Dc4! droht 2. Dxd5#
1. ... Se3,Sd~ 2. De6#
1. ... Sf4 2. Sg4#
1. ... Sc7 2. Sd7#
play all

SCHRECKE: C+, popeye 4.87 (2022-12-14)
comment

Genre: 2#
FEN: 2B5/r7/3p1N2/r1pnk1P1/1p2P2R/pN6/2Q4K/7n
Reprints: PS2712 The Problemist 25-1, p. 41, 01/2015
Input: Felber, Volker, 2013-11-20
Last update: Felber, Volker, 2015-03-30 more...

34 - P1280766
William A. Whyatt
Australian Problemist 1963

(6+8)
#2
b) -sSc5
c) ferner -sTc8
d) ferner -sLa6

a) 1. Lh5! droht 2. Tg8#
1. ... Sd7 2. Tf8#
b) 1. Lc2! droht 2. Tg8#
c) 1. Ld3! droht 2. Tg8#
1. ... 0-0-0 2. Lxa6#
d) 1. Lb1! droht 2. Tg8#
1. ... 0-0-0 2. Tc1#
play all

SCHRECKE: a)-d): C+, popeye 4.87 (2023-08-30)
comment

Keywords: Striptease
Genre: 2#
FEN: r1r1k2N/5R1p/b2Bp1B1/2np4/8/8/8/6RK
Reprints: G The Problemist Supplement , p. 318, 11/2013
Input: Felber, Volker, 2013-11-25
Last update: Felber, Volker, 2013-11-25 more...

35 - P1282940
Torsten Linss
PS432 The Problemist Supplement 21 01/1996

(2+2)
s#15
2 Lösungen
Längstzüger

1. c4 De1 2. Kb3 De8 3. Kc3 De1 4. Kd4 De8 5. Kd5 De1 6. Kd6 De8 7. c5 Ka5 8. c6 De1 9. c7 De8 10. c8=S De1 11. Kc7 De8 12. Se7 Da4 13. Kb8 Dh4 14. Sc6 Kb6 15. Sd4 Dd8#
1. Kb4 Da2 2. Kc3 Dg8 3. Kd4 Da2 4. Ke5 Dg8 5. c4 Dg1 6. Kd6 Dg8 7. c5 Ka7 8. c6 Da2 9. c7 Dg8 10. c8=D Da2 11. Kc7 Dg8 12. Dd7 Da2 13. Kc8 Kb6 14. Kb8 Dg8 15. Dd8 Dxd8#
play all

Wenigsteiner, Umwandlungswechsel

korrekte Quelle: The Problemist (Supplement)

Anton Baumann: C+ Alybadix (2023-03-10)
comment

Keywords: Maximummer
Genre: Fairies
FEN: 8/8/1k2q3/8/K7/8/2P5/8
Input: TLi, 2014-02-07
Last update: Alfred Pfeiffer, 2014-12-03 more...

36 - P1308282
Jorma Pitkänen
PS2986 The Problemist Supplement 137, p. 435, 07/2015

(2+5) C+
h#5
2.1...

1) 1. b3 Kb1 2. b2 Ka2 3. b1=D+ Ka3 4. Dg1 Ka4 5. Dd4 Lb3#
2) 1. Kb5 Lb1 2. d2+ Kc2 3. d1=L+ Kd3 4. Lb3 Ke4 5. Kc4 Ld3#
play all

Yuri Bilokin: you can see 1...Kd1 2.d2 Ke2 3.d1=R Kf3 4.Rb1 Ke4 5.Rb3 Bd3#
1...Kd1 2.d2 Ke2 3.d1=Q+ Ke3 4.Qd7 Bf5 5.Qb5 Be6#
1...Kd1 2.d2 Ke2 3.d1=Q+ Ke3 4.Qd7 Bg6 5.Qb5 Bf7#
1...Kd1 2.d2 Ke2 3.d1=Q+ Ke3 4.Qd7 Bh7 5.Qb5 Bg8# (2022-12-28)
comment

Keywords: Minimal (L)
Genre: h#
Computer test: Popeye WINDOWS98-32Bit-Version 3.77 (8192 KB)
FEN: 8/8/8/2p5/1pk5/2pp4/2B5/2K5
Input: Felber, Volker, 2015-08-25
Last update: Gunter Jordan, 2022-12-26 more...

37 - P1312075
George P. Sphicas
3037 The Problemist Supplement 11/2015

(11+1) C+
ser-s=12

1. d8=L 2. c8=T 3. Db8 4. Da8 5. Lb8 6. c7 7. Kc6 8. Kd7 9. Ke8 10. Kf8 11. e8=T 12. e7 Kh7=
play all

Vaclav Kotesovec: A year ago I tried to solve this problem with Gustav 4.2a, but after 8 days I had to stop testing, the estimated time was into the thousands of hours. Now, with the new version 4.2c (thank you, Olaf!) I was able to use the entire 384 GB memory on my computer and after more than 117 hours was possible the full test of this problem. It is correct! Fantastic result at the limit of current computing and software capabilities! (2023-02-14)
comment

Keywords: Seriesmover, konsekutive Umwandlungen 3 (LTT)
Genre: Fairies
Computer test: V. Kotesovec: Gustav 4.2c 64 Bit (Lösezeit: 04 : 21 : 26 : 29,54 d, Hashtables: 368640 MB)
FEN: 7k/PPPPPP2/2P1P3/1K6/8/6Q1/7B/8
Input: Frank Müller, 2015-11-12
Last update: Vaclav Kotesovec, 2023-02-14 more...

38 - P1391055
Jacques Rotenberg
Michel Caillaud
PS3607 The Problemist Supplement 169, p. 115, 11/2020

(6+14) C+
h#2
5.1...

1) 1. Sb5 axb5 2. Dxb5 La3#
2) 1. Dxb6 Le3 2. Dc5 Lxc5#
3) 1. Dxe5 Lf4 2. Dd6 Lxd6#
4) 1. f5 Lg5 2. De7+ Lxe7#
5) 1. g6 Lh6 2. Df8+ Lxf8#
play all

Jacques Rotenberg: 1st commended (2024-02-21)
comment

Keywords: Capture key
Genre: h#
Computer test: Popeye WINDOWS98-32Bit-Version 3.77 (8192KB)
FEN: rn6/Qpn2Kp1/1P2pp2/2q1P3/Pkb1p3/1pb2r2/8/2B5
Input: Felber, Volker, 2021-06-25
Last update: Alfred Pfeiffer, 2021-11-13 more...

39 - P1401254
Hiroaki Maeshima
PS3693 The Problemist Supplement 173, p. 163, 07/2021

(3+8) C+
h#4*
0.1.1...

* 1. ... ... 2. Df2 Kg5 3. d3 cxd3 4. Kf3 Sd4#
1. ... c4 2. Dg4 Sg7 3. Sf4 Se6 4. Df3 Sc5#
play all

Yuri Bilokin: More economical -bPh7, then a1=b1 8/6p1/6K1/6N1/4pkq1/5p1p/3P3n/8 (3+7)
1... ... 2.Qg2 Kh5 3.e3 dxe3+ 4.Kg3 Se4# (MM)
1...d4 2.Qh4 Sh7 3.Sg4 Sf6 4.Qg3 Sd5# (MM) (2022-05-18)
Hiroaki Maeshima: Thank you, I added the version (P1404069). (2022-09-06)
comment

Keywords: Superseded by (P1404069)
Genre: h#
Computer test: Popeye WINDOWS98-32Bit-Version 3.77 (8192KB)
FEN: 8/5p1p/5K2/5N2/3pkq2/4p1p1/2P3n1/8
Input: Felber, Volker, 2022-05-11
Last update: A.Buchanan, 2022-09-06 more...

40 - P1402093
Petros Lambrinakos
PS3704 The Problemist Supplement 174, p. 174, 09/2021

(4+5) C+
#4

1. Sg6-h4!
play all

Rosalie Fay: 1. Sh4 (droht 2. Kxc5) g3 2. Sc4+ Kd4 3. Kc6 e6 4. Sf3#;

1. ... Kf4 2. Df2+ Kxe5 3. Kxc5 (droht 4. Df5#) e6/Ke4 4. Dd4#;
2. ... Ke4 3. Kxc5 (droht 4. Dd4#) Kxe5 4. Df5#

1. ... Kd4 2. Sc4 zz e5 3. Kc6 ~ 4. Sf5#;
2. ... g3 3. Kc6 e6 4. Sf3#;
2. ... Kd5 3. Dd3+ Ke6 4. Df5#;
2. ... e6 3. Kc6 zz g3 4. Sf3#; 3. ... e5 4. Sf5#
C+ Popeye Windows-64Bit v4.69 (2023-12-31)
comment

Genre: n#
Computer test: Popeye WINDOWS98-32Bit-Version 3.77 (8192KB)
FEN: 8/4p3/1K4N1/2p1N2p/6p1/4k3/2Q5/8
Input: Felber, Volker, 2022-06-21
Last update: Felber, Volker, 2022-06-21 more...

41 - P1404069
Hiroaki Maeshima
PS3693v The Problemist Supplement 173, p. 163, 07/2021
Thanks to Yuri Bilokin

(3+7)
h#3.5*

* 1. ... ... 2. Dg2 Kh5 3. e3 dxe3 4. Kg3 Se4#
1. ... d4 2. Dh4 Sh7 3. Sg4 Sf6 4. Dg3 Sd5#
play all

version of P1401254.
more ...
comment

Genre: h#
Computer test: Popeye Windows-64Bit v4.87 (1024 KB)
FEN: 8/6p1/6K1/6N1/4pkq1/5p1p/3P3n/8
Input: Hiroaki Maeshima, 2022-09-06
Last update: Hiroaki Maeshima, 2022-09-07 more...

42 - P1404130
Valery Surkov
PS3750 The Problemist Supplement 176, p. 199, 01/2022

(6+1)
#5*

* 1. ... Kb2 2. Kd2 Kb1 3. Kc3 Kxc1 4. Ta1#
1. Sbd3! Kc2 2. Ta1 Kc3 3. Tb1 Kc2 4. Tb2+ Kc3 5. Sa2#
4. ... Kd1 5. Td2#
play all

SCHRECKE: C+, Gustav 4.2b, Brute Force (2022-09-08)
more ...
comment

Keywords: Miniature
Genre: n#
FEN: 8/8/8/8/RN6/1Pk1K3/4P3/2N5
Input: Rainer Staudte, 2022-09-08
Last update: Felber, Volker, 2022-09-13 more...

43 - P1404311
Petros Lambrinakos
PS3748 The Problemist Supplement 176, p. 198, 01/2022

(4+3)
#4

1. Lxf7! Ke3 2. Dc2 Kd4 3. Kf4 g3 4. Dc3#, 4. Dc4#
1. ... Kd4 2. Dc3 Ke4 3. Dd2 ... 4. Df4#
1. ... Ke5 2. Dd8 Ke4 3. Dd2 ... 4. Df4#
2. ... Kf5 3. Dd4 Kg5 4. Df4#
1. ... Kd3 2. Dc1 Kd4 3. Kf4 g3 4. Dc3#, 4. De3, 4. Dc4#
3. ... Kd3 4. Dd1#
2. ... Ke4 3. Dd2 ... 4. Df4#
play all

Henrik Juel: C+ Popeye 4.61, except for mate duals (2022-09-13)
comment

Keywords: Miniature
Genre: n#
FEN: 2Q5/5p2/8/8/4k1p1/6K1/BP6/8
Input: Felber, Volker, 2022-09-13
Last update: Felber, Volker, 2022-09-13 more...

44 - P1405607
Antonio Tarnawiecki
PS3766 The Problemist Supplement 177, p. 210, 03/2022

(11+9) C+
#2*

* 1. ... Ke6 2. Db5#
1. Lc5! droht 2. Se7#
1. ... Txc5 2. Dxh1#
1. ... Kxc5 2. Db5#
1. ... Kc6 2. Sd4#
1. ... Lxc5 2. Dxb7#
play all

Stefan Felber: Satzspiel: 1... Kc6 nicht Ke6! (2022-11-04)
comment

Genre: 2#
Computer test: Popeye WINDOWS98-32Bit-Version 3.77 (8192KB)
FEN: 3K2n1/bpPP2N1/5p1p/3k1N1R/P4P2/3P4/2r5/nQ4Bb
Input: Felber, Volker, 2022-11-04
Last update: Felber, Volker, 2022-11-04 more...

45 - P1406065
Michael Lipton
PS3799 The Problemist Supplement 178, p. 222, 05/2022

(3+2)
#3

1. Te2! Le3 2. Txe3 Kb8 3. Te8#
1. ... Lf4 2. Kxf4 Kb8 3. Te8#
1. ... Lh4 2. Kxh4 Kb8 3. Te8#
1. ... Le7 2. T2xe7 Kb8 3. Tdd8,Tee8#
1. ... Lf6 2. Te8 Ld8 3. Texd8#
1. ... Ld8 2. Te8 Kb8 3. Texd8#
1. ... Kb8 2. Te8 Ld8 3. Texd8#
play all

Henrik Juel: C+ Popeye 4.61, except for the mate dual afte 1... Le7 (2022-11-22)
comment

Keywords: Aristocrat, Minimal, Miniature
Genre: 3#
FEN: k7/3R4/8/6b1/8/6K1/1R6/8
Input: Felber, Volker, 2022-11-22
Last update: Felber, Volker, 2022-11-22 more...

46 - P1406067
Petros Lambrinakos
PS3801 The Problemist Supplement 178, p. 222, 05/2022

(4+2)
#4

1. Sh2! Kd3 2. Sf3 Ke2 3. Dc3 ... 4. Dd2#
2. ... Ke3 3. Dc3 Ke2 4. Dd2#
1. ... Ke3 2. Dd5 Ke2 3. Sf1 ... 4. Dd2#
2. ... Kf4 3. Kf2 ... 4. Df5#
1. ... Ke5 2. Sf3 Kf4 3. Dc5 droht 4. Dd4#
3. ... Kxg4 4. Dg5#
play all

SCHRECKE: C+, Gustav 4.2b, Brute Force (2022-11-22)
comment

Keywords: Miniature
Genre: n#
FEN: 8/2p5/2Q5/8/3k2P1/8/6K1/5N2
Input: Felber, Volker, 2022-11-22
Last update: Felber, Volker, 2022-11-22 more...

47 - P1407452
Geoff Foster
PS3832 The Problemist Supplement 179, p. 235, 07/2022

(2+5) C+
h#5
b) wKa2->a1

a) 1. Df5 Kb3 2. Tf6 Kc3 3. Se6 Kd2 4. Ke5+ Ke3 5. Td5 Sc4#
b) 1. Kd4 Ka2 2. Kc3 Ka3 3. Td2 Sc4 4. Sd3 Sd6 5. Tc4 Sb5#
play all

Yuri Bilokin: possibly wKa2-a1 3r4/8/2r5/3k4/5n2/8/1Nq5/K7 (2+5) h#5.5*
1... ... 2.Kd4 Ka2 3.Kc3 Ka3 4.Rd2 Sc4 5.Sd3 Sd6 6.Rc4 Sb5# (IM)
1...Ka2 2.Qf5 Kb3 3.Rf6 Kc3 4.Se6 Kd2 5.Ke5+ Ke3 6.Rd5 Sc4# (IM) (2023-02-04)
comment

Keywords: Discovered check (in a), Aristocrat, Echo, Remote selfblock (in a), Ideal mate, Miniature, Minimal (S), Selfblock, Twin
Genre: h#
FEN: 3r4/8/2r5/3k4/5n2/8/KNq5/8
Input: Gunter Jordan, 2023-01-27
Last update: Felber, Volker, 2023-02-07 more...

48 - P1407453
Geoff Foster
B The Problemist Supplement 180, p. 250, 09/2022

(2+3) C+
h#7
b) wSg7->c4

a) 1. Tb4 Se8 2. Th4 Kb8 3. Tch7 Kc8 4. Th8 Kd7 5. Kg4 Ke6 6. Kh5 Kf5 7. Th6 Sg7#
b) 1. Tb1 Sa3 2. Tcc1 Ka7 3. Ta1 Kb6 4. Tf1 Kc5 5. Kf2 Kd4 6. Ke1 Ke3 7. Td1 Sc2#
play all

Yuri Bilokin: side solution in a) 1.Rc4 Se8 2.Rh7 Kb8 3.Rch4 Kc8 4.Rh8 Kd7 5.Kg4 Ke6 6.Kh5 Kf5 7.Rh6 Sg7# (2023-02-04)
comment

Keywords: Aristocrat, black Bristol (in b), Echo, Ideal mate, Minimal (S), Selfblock, Tempo Loss (in a)
Genre: h#
FEN: K7/1rr3N1/8/8/8/6k1/8/8
Input: Gunter Jordan, 2023-01-27
Last update: Gunter Jordan, 2023-01-27 more...

49 - P1407730
Mark Kirtley
The Problemist Supplement 2021

(5+16) C+
ser-s#7
b) wSg4->h4

a) 1. Lb2 2. Lbxg7 3. Lf6 4. Lh4 5. Tg5 6. De4 7. S4f6+ Sxf6#
b) 1. Dxg7 2. Sg6 3. S6xe7 4. Sxg8 5. Kh6 6. Th5 7. Sf6 Dxf6#
play all

Matts auf dem gleichen Feld.

Olaf Jenkner: Das schöne Diagramm wird mit sieben Nachtwächtern links oben erkauft.
Vergleiche mit P1403608 (2023-02-11)
more ...
comment

Keywords: Pinning, pin-mate (in b), Homebase (s), Line closing, Capture key (in b), Selfblock, selfpinning (in b), Seriesmover, Twin
Genre: Fairies
Computer test: H. Juel: Popeye 4.61
FEN: rnbqkbnr/pppppppp/6Q1/5R1K/6N1/B7/8/8
Reprints: zu 19063 Die Schwalbe 319, p. 56, 02/2023
Input: Gunter Jordan, 2023-02-10
Last update: Olaf Jenkner, 2023-02-11 more...

50 - P1408495
Christopher James Austin Jones
PS3850 The Problemist Supplement 180, p. 247, 09/2022

(5+11)
h#3
b) wBf2->c2

a) 1. Dxf6 Txf6 2. e3 fxe3 3. Thc4 Tf5#
b) 1. exf3 Txf3 2. Dd3 cxd3 3. Td4 Tf5#
play all

Henrik Juel: C+ Popeye 4.61 also (2023-03-25)
more ...
comment

Genre: h#
Computer test: Popeye WINDOWS98-32Bit-Version 3.77 (8192KB)
FEN: 8/5p2/2rpnPq1/3k4/4pR1r/2p2P2/1b3P2/nK6
Input: Felber, Volker, 2023-03-24
Last update: Felber, Volker, 2023-03-25 more...

51 - P1410767
Michael Lipton
PS3862 The Problemist Supplement 181, p. 258, 11/2022

(5+6)
#2
b) nach dem Schlüsselzug von a)

a) 1. Df5!
b) 1. Lh7!
play all

Henrik Juel: duals in both twins (2023-07-05)
comment

Genre: 2#
Computer test: Gustav 4.1d
FEN: 4r3/5R2/6Bb/8/n7/2P1k1p1/4b3/1QK5
Input: Felber, Volker, 2023-07-05
Last update: Felber, Volker, 2023-07-05 more...

52 - P1410780
Kivanc Cefle
PS3866 The Problemist Supplement 181, p. 259, 11/2022

(9+2) C+
h#2
3.1...

1) 1. Kc2 Ta8 2. Kb1 e5#
2) 1. Dd6 Sb2+ 2. Kxd4 Lg7#
3) 1. Df5 Se5+ 2. Kxe4 f3#
play all

more ...
comment

Keywords: Minimal (d)
Genre: h#
Computer test: Popeye WINDOWS98-32Bit-Version 3.77 (8192KB)
FEN: 3R4/1K5B/7B/2q5/1PNPP3/3k4/5P2/8
Input: Felber, Volker, 2023-07-06
Last update: Felber, Volker, 2023-07-06 more...

53 - P1411858
Ljubomir Ugren
PS3894 The Problemist Supplement 182, p. 271, 01/2023

(2+13)
h#6
b) sLa1->a7

a) 1. Sb3 Kg1 2. Tb1 Kh1 3. Dc1 Kg1 4. e1=S Lxd3+ 5. Kd1 Kf1 6. Sc2 Le2#
b) 1. Lg1 Lxe2 2. Kc3 Lxg4 3. Kd4 Lf3 4. Ke3 Lxa8 5. Ke2 Kxg2 6. Le3 Lf3#
play all

SCHRECKE: a)+b): C+, Gustav 4.2e, Brute Force (2023-08-18)
comment

Keywords: Minimal (L), under-promotion (s in a), Selfblock, black Bristol (in a), Twin, Switchback (K,L), Line opening (in a)
Genre: h#
FEN: b7/8/8/8/6p1/3p2p1/p1kpp1n1/b1nrqB1K
Input: Gunter Jordan, 2023-08-18
Last update: Felber, Volker, 2023-09-30 more...

54 - P1412582
Daniel Wirajaya
PS3881 The Problemist Supplement 182, p. 270, 01/2023

(10+6)
#2

1. Sf7!

Henrik Juel: C+ Popeye 4.61 (2023-09-29)
SCHRECKE: 1. Sf7! droht 2. Lg7#
1. ... Sxd3,Sc4 2. Tc4#
1. ... Se3 2. Dxe3#
1. ... Dd5 2. exd5#
1. ... Da5,Df8 2. e5#
1. ... Dd8,Dg8 2. Dxd6#
1. ... De8,Dh8 2. Dxd6 oder 2. e5# (Mattdual) (2023-09-29)
comment

Genre: 2#
FEN: q7/2Rp4/3p3B/4N3/1P1kP2R/3P2Q1/Bn5K/3n4
Input: Felber, Volker, 2023-09-29
Last update: Felber, Volker, 2023-09-29 more...

55 - P1412584
Rauf Aliovsadzade
PS3883 The Problemist Supplement 182, p. 270, 01/2023

(10+5)
#3

1. Lxd4!

Henrik Juel: C+ Popeye 4.61, except for a few mate duals (2023-09-29)
Henrik Juel: 1.Lxd4 thr. 2.Kg3 thr. 3.Tfe3#
1... Ta1 2.Tfe3+´
1... Tg6 2.Sh7 zz
1... Tc6 2.Sd7 zz (2023-09-29)
comment

Keywords: Capture key
Genre: 3#
FEN: 5N2/8/r4B2/5P1B/1pPpk1P1/1p1R1R2/1P5K/8
Input: Felber, Volker, 2023-09-29
Last update: Felber, Volker, 2023-09-29 more...

56 - P1412587
Ivan Bryukhanov
PS3885 The Problemist Supplement 182, p. 270, 01/2023

(5+2)
s#5
b) wTa3 statt wDa3

a) 1. Dd4 Ke1 2. De7 Te3 3. Dh4 Tg3 4. Kh1 Kf1 5. Dg1 Txg1#
b) 1. Ta2 Kd1 2. Dc4 Ke1 3. Te2 Kd1 4. Tg2 Ke1 5. Df1 Txf1#
play all

Henrik Juel: C+ Popeye 4.61 also (2023-09-29)
comment

Keywords: Aristocrat, Minimal, Miniature
Genre: s#
Computer test: Gustav 4.1d
FEN: 8/8/8/8/6B1/Q1Q2r2/4k2P/6K1
Input: Felber, Volker, 2023-09-29
Last update: Felber, Volker, 2023-09-29 more...

57 - P1412622
Stephen J. G. Taylor
PS3889 The Problemist Supplement 182, p. 271, 01/2023

(4+8)
h#3
0.1.1...
b) sKe4->f4
c) ferner sBd6->e6
d) ferner sSf6->g6

a) 1. ... Dg1 2. Df1 dxc3 3. Df5 Dd4#
b) 1. ... g4 2. Db1 Dxb1 3. Tg3 Df5#
c) 1. ... De1 2. Dd1 d4 3. Dg4 De5#
d) 1. ... Dg1 2. De1 gxh3 3. De5 Dg4#
play all

Henrik Juel: C+ Popeye 4.61 also (2023-09-30)
comment

Genre: h#
Computer test: Popeye WINDOWS98-32Bit-Version 3.77 (8192KB)
FEN: 8/8/3p1n2/8/4k3/2r4p/pr1P2P1/q1Q4K
Input: Felber, Volker, 2023-09-30
Last update: Felber, Volker, 2023-09-30 more...

58 - P1415128
Jacques Rotenberg
PS3952 The Problemist Supplement 185, p. 306, 07/2023

(9+8) C+
#2
2 Lösungen

1) 1. Df7 droht 2. Te3#
1. ... Lxe4 2. Lh5#
1. ... Sd5 2. Sd4#
1. ... Sf6 2. Sg5#

2) 1. Db7 droht 2. Lh5#
1. ... Lxe4 2. Dxe4#
1. ... Sd5 2. Sd4#
1. ... Sf6 2. Sg5#
play all

Jacques Rotenberg: .
Exchange of motive of defense between Sd5 and Sf6
long lines black focal queen
Dombrovskis paradox (2024-02-20)
comment

Genre: 2#
Computer test: Gustav 4.1d
FEN: 3qn3/Q5pN/1n2p1B1/1N2P3/2p1RB2/3b1k1P/8/6K1
Input: Felber, Volker, 2024-02-19
Last update: Felber, Volker, 2024-02-19 more...

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