Die Schwalbe

73 problem(s) found in 984 milliseconds (displaying 73 problem(s)). [A='Rozenfeld' and FIRSTNAME='Isai'] [download as LaTeX]

1 - P0505935
Isai H. Rozenfeld
7478 Schach 06/1974
P0505935
(4+6) C+
h#2
4.1...
1) 1. Tc3 d3 2. Te3 Dd6#
2) 1. Tf4 dxe3+ 2. Ke5 Dxf4#
3) 1. Kxe4 d4 2. Td3 De5#
4) 1. Dc3+ dxc3+ 2. Kc5 Dc7#
play all play one stop play next play all
BSp
comment
Keywords: Figurenspiel
Genre: h#
Computer test: (Popeye C-Version 3.37 (403 KB))
FEN: 2q5/8/4p3/1p6/3kP3/4rr2/3P3Q/K7
Input: hpr, 1996-12-31
Last update: hpr, 1999-08-28 more...
2 - P0506022
Isai H. Rozenfeld
10273 Schach 01/1984
P0506022
(7+8) C+
h#2
4.1...
1) 1. Kxe6 e8=L 2. d6 Lf7#
2) 1. Kc5 e8=S 2. d5 b4#
3) 1. dxc6 e8=D 2. c5 Dd7#
4) 1. dxe6 e8=T 2. Kd7 Td8#
play all play one stop play next play all
BSp
t/Allumwandlung, u/61103
Erich Bartel: Nachdrucke:
1) 14 Heterodoxe Pickaninny's 1988.---
2) 133 Bila vsepromena v P2# 2000.--- (2008-08-20)
comment
Keywords: Allumwandlung, Figurenspiel
Genre: h#
Computer test: (Popeye C-Version 3.52 (2048 KB))
FEN: n5n1/1K1pP3/2NkPp2/1p2p2B/2p3P1/1P6/8/8
Reprints: 14 Heterodoxe Pickaninny´s 1988
Input: Erich Bartel, 1996-12-31
Last update: Rainer Staudte, 2011-07-22 more...
3 - P0517517
Isai H. Rozenfeld
2669 Die Schwalbe 05/1968
P0517517
(2+10) C+
h#7
1. d1=S Kh1 2. Se3 fxe3 3. c1=L e4 4. b1=T e5 5. Tb7 exd6 6. Lf4 d7 7. Lb8 dxc8=S#
play all play one stop play next play all
Verst-4
comment
Keywords: Excelsior (wB), Promotion, Excelsior, white (auto key)
Genre: h#
Computer test: (Popeye C-Version 3.52 (2048 KB))
FEN: q1n5/k7/b2p4/3p4/8/5p2/1ppp1P2/6K1
Input: HBae, 1997-09-22
Last update: hpr, 1999-03-24 more...
4 - P0543845
Isai H. Rozenfeld
9698 Schach 02/1982
P0543845
(3+4) C+
h#3
b) sTg7 nach f4
a) 1. Lg3 Tf6 2. Te3 Sf5 3. Kf3 Sxg3#
b) 1. Ta2 Ta3 2. Te2 Sb3 3. Kf3 Sd2#
play all play one stop play next play all
Keywords: Fesselungsspiel (212 000 220)
Genre: h#
Computer test: (Popeye C-Version 3.47 (1024 KB))
FEN: 8/6r1/8/8/3Nk3/r4R1K/5b2/8
Input: Markus Manhart, 1998-04-17
Last update: hpr, 1999-11-09 more...
5 - P0547776
Isai H. Rozenfeld
4197 Revista de Sah 06/1980
P0547776
(3+5) C+
h#2
2.1...
1) 1. Dg4 Te4 2. Kh4 h8=D/T#
2) 1. Dg6 Te6 2. Kh6 h8=D#


NL:
geduldeter Umwandlungsdual
play all play one stop play next play all
Keywords: Fesselungsspiel (222 202 000)
Genre: h#
Computer test: (Popeye C-Version 3.47 (1024 KB))
FEN: 4R3/7P/4q3/6pk/8/8/r1b2K2/8
Input: Markus Manhart, 1998-05-09
Last update: A.Buchanan, 2013-11-19 more...
6 - P0548126
Isai H. Rozenfeld
8534 Schach 04/1978
P0548126
(5+7) C+
h#2
2.1...
1) 1. Sb6 Te4 2. Kxc6 Te5#
2) 1. Sa5 Le4 2. Ka4 Ld3#
play all play one stop play next play all
Keywords: Fesselungsspiel (222 202 000)
Genre: h#
Computer test: (Popeye C-Version 3.47 (1024 KB))
FEN: rn6/2p1K3/R1P5/1k6/2n4R/rp6/8/7B
Input: Markus Manhart, 1998-05-11
Last update: hpr, 1999-02-07 more...
7 - P0550269
Isai H. Rozenfeld
7263 Schach 08/1973
P0550269
(3+3) C+
h#3
3.1...
1) 1. Ke5 Te8+ 2. Kd4 Te3 3. Ld5 Sf5#
2) 1. Kg5 Th3 2. Lh5 Tg3+ 3. Kh4 Sf5#
3) 1. Ke7 Tc8 2. Le8 Tc7+ 3. Kd8 Se6#
play all play one stop play next play all
Keywords: Echo-Kombinationen
Genre: h#
Computer test: (Popeye C-Version 3.52 (2048 KB))
FEN: 7R/5bN1/5k2/8/1K6/5p2/8/8
Input: Ronald Schäfer, 1998-01-20
Last update: hpr, 1999-01-09 more...
8 - P0563276
Isai H. Rozenfeld
4287 Revista de Sah 12/1980
P0563276
(3+2) C+
h#2
2.1...
1) 1. d1=S Dd6 2. Se3 Sd2#
2) 1. d1=T Dg3 2. Td4 Sc3#
play all play one stop play next play all
Keywords: Axis Echo
Genre: h#
Computer test: (Popeye C-Version 3.52 (2048 KB))
FEN: 8/8/6K1/8/4k3/Q7/3p4/1N6
Input: Markus Manhart, 1999-01-27
Last update: hpr, 1999-12-04 more...
9 - P0567711
Isai H. Rozenfeld
3271 Schach 17, p. 269, 09/1959
P0567711
(3+3) C+
h#3
2.1...
1) 1. Ke2 Kg3 2. d3 Td4 3. Ke3 Te4#
2) 1. d1=T f4 2. Ke4 Td5 3. Td3 Te5#
play all play one stop play next play all
Keywords: Reihen-Echo, under-promotion (t), Farbwechselecho
Genre: h#
Computer test: (Popeye C-Version 3.52 (2048 KB))
FEN: 3R4/8/8/8/3p2K1/3k1P2/3p4/8
Input: Ralf Binnewirtz, 1998-10-07
Last update: Felber, Volker, 2021-05-15 more...
10 - P0572635
Isai H. Rozenfeld
7262 Schach 08/1973
P0572635
(3+3) C+
h#2
5.1...
1) 1. Lg7 f8=L 2. Td7 b8=D#
2) 1. Lf6 f8=S 2. Le7 b8=D#
3) 1. Le5 b8=S 2. Lc7 f8=D#
4) 1. Tc1 b8=D+ 2. Tc8 Dd6#
5) 1. Te1 f8=D+ 2. Te8 Dd6#
play all play one stop play next play all

Genre: h#
Computer test: (Popeye C-Version 3.52 (2048 KB))
FEN: 3k4/1P3P1K/8/8/8/8/8/b2r4
Input: Markus Manhart, 1999-03-31
Last update: Markus Manhart, 1999-03-31 more...
11 - P1038417
Isai H. Rozenfeld
Shakhmaty v SSSR 1954
P1038417
(7+5) C+
#5
1. a4 b5 2. Kg1 bxa4 3. Tf1 a3 4. Le1 Kxa1,Kb1,Kc1 5. Lc3#
1. ... b6 2. Td1 b5 3. Ke1 bxa4 4. Kd2 a3 5. Lc3#
play all play one stop play next play all
Marcin Banaszek: Siehe Original-Stellung P1337392 (2017-08-11)
more ...
comment
Keywords: Brian Stephenson Collection (23368)
Genre: n#
Computer test: Rosalie Fay:C+ Popeye Windows-64Bit v4.69 (2015-10-4)
FEN: 8/1p6/8/8/1B2p3/P3Pp2/pk3P2/N3RK2
Input: Brian Stephenson, 2004-08-12
Last update: Alfred Pfeiffer, 2017-08-11 more...
12 - P1043137
Isai H. Rozenfeld
? 1955
Meisterschaft SSSR 1953
4. Preis
P1043137
(10+8)
#5

BS Problemid: 28105
Authors: Rozenfeld, JH
Sources: Solving in Style 1985
Years: 1955
Keywords: Brian Stephenson Collection (28105)
Genre: n#
FEN: 4K3/3pPP2/7p/3PB3/6pP/pP6/prP3P1/kb5R
Input: Brian Stephenson, 2004-08-12
Last update: Felber, Volker, 2011-02-22 more...
13 - P1052432
Isai H. Rozenfeld
Shakhmaty v SSSR 1957
P1052432
(6+8)
#4

BS Problemid: 37474
Authors: Rozenfeld, I
Sources:
Years: 1957
Keywords: Brian Stephenson Collection (37474)
Genre: n#
FEN: 6q1/8/B1P3n1/4p3/b2p1p2/3p1k1P/8/N3Q2K
Input: Brian Stephenson, 2004-08-12
Last update: Felber, Volker, 2011-03-14 more...
14 - P1117929
Isai H. Rozenfeld
1459 Freie Presse (Chemnitz) 17/08/1973
Lob
P1117929
(5+1)
#3
1. Td7? Kb8 2. c7+ Kb7!

1. c7! Kb7 2. Td7 Kc8 3. Sb6#
2. ... Ka7,Ka8,Kc6,Ka6 3. c8=D#
play all play one stop play next play all
SU-B3S B10
comment
Keywords: Miniature Collection (0291174), Rex solus
Genre: 3#
FEN: 2k5/8/2PR4/3N4/K7/8/6B1/8
Input: Felber, Volker, 2010-09-11
Last update: Felber, Volker, 2014-06-28 more...
15 - P1125997
Isai H. Rozenfeld
1530 Freie Presse (Chemnitz) 01/03/1974
P1125997
(5+2)
#2
1. Lf6! (Zugzwang)
1. ... exd6 2. De7#
1. ... e6 2. Da7#
1. ... e5 2. Dh3#
1. ... exf6 2. De8#
play all play one stop play next play all
G9-2
Felber, Volker: Siehe dazu Vorgänger unter P1176155 (2012-07-12)
comment
Keywords: Miniature Collection (0291400), Pickaninny
Genre: 2#
FEN: 8/3kp3/2RN4/1K6/8/4Q3/1B6/8
Input: Felber, Volker, 2010-09-11
Last update: Rainer Staudte, 2014-09-03 more...
16 - P1128573
Isai H. Rozenfeld
5274 Ceskoslovensky Sach 01/1979
P1128573
(4+3)
#4
1. Le3 Kxh2 (1... Se2 2. Dxe2 Se5 3. Df1+ Kxh2 4. Lf4#) 2. Lg1+ Kh1 3. Dg3 Se4 4. Dh2#
play all play one stop play next play all
LX1 D13B 3m
comment
Keywords: Miniature Collection (0333569)
Genre: n#
FEN: 1K6/8/6n1/8/6Q1/2n5/7P/6Bk
Input: Zuncke/Bruder, 2010-09-11
Last update: Zuncke/Bruder, 2010-09-11 more...
17 - P1134120
Isai H. Rozenfeld
3615 Ceskoslovensky Sach 08/1973
P1134120
(5+1)
#3
1. Db5
play all play one stop play next play all
MB-DS SU34 4m
6 NL
comment
Keywords: Miniature Collection (0333327)
Genre: 3#
FEN: 1Q6/8/8/2KN1kB1/7P/8/8/8
Input: Zuncke/Bruder, 2010-09-11
Last update: Zuncke/Bruder, 2010-09-11 more...
18 - P1136242
Isai H. Rozenfeld
C Schach , p. 155, 05/1969
P1136242
(2+4) C+
#5
1. Th4? b5!
1. Th1! b2 2. Th4 Sg4 3. Txg4 b5 4. Kb6 nebst 5. Tg8#
2. ... b5 3. Tb4 b1 4. Txb1 nebst 5. Ta1#
3. ... Ka7 4. Txb2 nebst 5. Ta2#
play all play one stop play next play all
D28a mm
comment
Keywords: Miniature Collection (0305941), Minimal
Genre: n#
FEN: k7/1pK5/7n/8/8/1p6/7R/8
Input: Felber, Volker, 2010-09-11
Last update: Frank Müller, 2011-09-24 more...
19 - P1136271
Isai H. Rozenfeld
? 1956
Estland-Turnier 2. Preis
P1136271
(2+4)
#5
1. Th1 b2 2. Th4 b5 3. Tb4 Ka7 4. Txb2 Ka6 5. Ta2#
play all play one stop play next play all
D28a m
vf: a1<>h1, Bedoni, 10.1979, Themes 64
comment
Keywords: Miniature Collection (0335967)
Genre: n#
FEN: k7/1pK4p/7R/8/8/1p6/8/8
Input: Zuncke/Bruder, 2010-09-11
Last update: Felber, Volker, 2012-09-14 more...
20 - P1154762
Isai H. Rozenfeld
6304 Schach , p. 188, 06/1970
P1154762
(5+2)
#4
1. Sh1 Kxh1 2. a7 Kh2 3. a8=D Kg3 4. Db8#
play all play one stop play next play all
Q11- KRS IM
comment
Keywords: Miniature Collection (0292941)
Genre: n#
FEN: 8/8/P7/6N1/7p/6NP/7k/5K2
Input: Felber, Volker, 2010-09-12
Last update: Felber, Volker, 2010-09-12 more...
21 - P1155569
Isai H. Rozenfeld
863 Sächsische Zeitung 10/06/1977
P1155569
(4+3)
#3
1. Lf4! Lb6 2. Sc7 Lxc7 3. Lxc7#
play all play one stop play next play all
Keywords: Aristocrat, Mousetrap
Genre: 3#
FEN: N2b4/8/7B/k7/2Q5/1n6/8/5K2
Input: Zuncke/Bruder, 2010-09-12
Last update: Felber, Volker, 2016-03-05 more...
22 - P1167924
Isai H. Rozenfeld
6052 Ceskoslovensky Sach 11/1981
P1167924
(3+3)
#4
1. Tf7
play all play one stop play next play all
T20T e006 mm
comment
Keywords: Miniature Collection (0333571)
Genre: n#
FEN: k7/1RR5/6K1/8/p7/8/8/4n3
Input: Zuncke/Bruder, 2010-09-12
Last update: Zuncke/Bruder, 2010-09-12 more...
23 - P1168710
Isai H. Rozenfeld
? 1980
Seneca-Memorial 2. Lob
P1168710
(3+4)
#4
1. Tb3 a6 2. Tcb7 a5 (2... -- 3. Tb8+ Ka7 4. T3b7#) 3. T7b5 a4 4. Ta5#
play all play one stop play next play all
T22T +mm
comment
Keywords: Miniature Collection (0084726)
Genre: n#
FEN: k7/pRR3K1/8/8/6n1/8/8/3n4
Input: Felber, Volker, 2010-09-12
Last update: Felber, Volker, 2010-09-12 more...
24 - P1169320
Isai H. Rozenfeld
2665 Freie Presse (Chemnitz) 13/09/1985
P1169320
(5+2)
#4
1. h8=D? Tc8+ 2. Kh7 Td8! 3. Dxd8=

1. h8=T! Tc8+ 2. Kh7 Txh8+ 3. Kxh8 Ka5 4. Ta7#
2. ... Td8 3. Txd8 Ka5 4. Ta7#
2. ... Tc7 3. Txc7
2. ... Tc6 3. dxc6
play all play one stop play next play all
BUT4 m
comment
Keywords: Miniature Collection (0293314), under-promotion (T), Stalemate avoidance
Genre: n#
FEN: 6K1/6RP/k7/3P4/8/8/1R6/2r5
Input: Felber, Volker, 2010-09-12
Last update: Felber, Volker, 2014-08-11 more...
25 - P1170969
Isai H. Rozenfeld
2464 Schach 21, p. 331, 11/1956
P1170969
(5+2)
#4
1. Sc5? Ld2!

1. c7! Lxc7 2. Sc5 droht 3. Se4
2. ... Lf4 3. Dh5+ Kg3 4. Se4#
2. ... Lg3 3. Sd3
play all play one stop play next play all
ROd-L
Henrik Juel: Damaged by mate duals (2020-12-08)
comment

Genre: n#
FEN: 8/8/N1P2P2/b5Q1/8/7k/8/7K
Input: Felber, Volker, 2010-09-12
Last update: Felber, Volker, 2020-12-08 more...
26 - P1171923
Isai H. Rozenfeld
Schach 1972
P1171923
(5+2)
#4
1. Tb4-a4!
play all play one stop play next play all
vf: in Schach nicht gefunden
comment
Keywords: Miniature Collection (0086492)
Genre: n#
FEN: 8/B7/8/6b1/1R6/1P3P1K/8/7k
Input: Felber, Volker, 2010-09-12
Last update: Felber, Volker, 2010-09-12 more...
27 - P1171937
Isai H. Rozenfeld
7011 Schach , p. 253, 08/1972
E. Umnow gewidmet
P1171937
(5+2)
#4
1. Ta4 Lf6 (1... Lc1 2. Lf2 La3 3. Tg4 Lf8 4. Tg1#) 2. Tg4 Ld4 3. Txd4 Kg1 4. Td1#
play all play one stop play next play all
RO1
comment
Keywords: Miniature Collection (0293420)
Genre: n#
FEN: 8/B7/8/6b1/2R5/1P3P1K/8/7k
Input: Felber, Volker, 2010-09-12
Last update: Felber, Volker, 2010-09-12 more...
28 - P1202682
Isai H. Rozenfeld
4461 Schach 12/1963
P1202682
(2+12) C+
#4
1. De4? Lh5!
1. Db7! droht 2. Dd5 Ke2 3. De4+ Kd1 4. Dxg4#
1. Db7! Lh5 2. De4 Le2 3. Df5 Lf3 4. Dxf3#
3. ... Lh5 4. Dxh5#
3. ... Lg4 4. Dxg4#
play all play one stop play next play all
Keywords: Minimal
Genre: n#
FEN: 8/4Q3/8/8/6b1/1p1p2p1/1K1p1pp1/3kbrrn
Input: Frank Müller, 2011-09-17
Last update: Frank Müller, 2011-09-17 more...
29 - P1204176
Isai H. Rozenfeld
7083 Schach 11-12/1972
P1204176
(5+10) cooked
s#2
* 1. ... Dxb1+ 2. Dd1+ Dxd1#
* 1. ... axb1=S 2. Sd2+ Sxd2#
* 1. ... axb1=L 2. Dd3+ Lxd3#
1. Te1 droht 2. Dxf2+ Txf2#
1. Te1 fxe1=S 2. Dd3+ Sxd3#
1. Te1 fxe1=L 2. Sd2+ Lxd2#
play all play one stop play next play all
Cook: NL 1. Dd2
NL 1. Da7
NL 1. Db6 und vieles andere
Keywords: under-promotion B/S
Genre: s#
FEN: 8/8/3N4/8/2NQ1pp1/5krb/pp3pr1/qR3K2
Input: Frank Müller, 2011-10-07
Last update: Frank Müller, 2011-10-07 more...
30 - P1204207
Isai H. Rozenfeld
7311 Schach 10/1973
P1204207
(9+9)
s#3
1. Sd6+ Kd4 2. Sc6+ Dxc6 3. 0-0-0+ Sd3#
1. Sd6+ Kf4 2. Sg6+ Dxg6 3. 0-0+ Lf3#
play all play one stop play next play all
Keywords: Castling
Genre: s#
FEN: 4q3/4N3/8/1Nnppp2/4k1bP/4p3/pP2P2P/R3K2R
Input: Frank Müller, 2011-10-07
Last update: Frank Müller, 2011-10-07 more...
31 - P1204209
Isai H. Rozenfeld
7337 Schach 11/1973
P1204209
(6+3)
s#2
1. S bel? Sc7!
1. Sg6! Sf6,Sg7 2. Dc8+ Kxc8#
1. Sg6 Sd6! 2. Dc7+ Kxc7#
1. Sg6 Sc7! 2. Dg7 Kc8#
play all play one stop play next play all
Keywords: Black correction, Obtrusive material
Genre: s#
FEN: b3n3/1k2N3/8/1P6/8/2Q5/7B/6BK
Input: Frank Müller, 2011-10-07
Last update: Frank Müller, 2011-10-07 more...
32 - P1232404
Isai H. Rozenfeld
9433 Schach 03/1981
P1232404
(4+11) cooked
s#2*
* 1. ... bxc1=S 2. Se2+ Sxe2#
* 1. ... bxc1=L 2. Dxe3+ Lxe3#
1. Tf1 droht 2. Dxg2+ Dxg2,Txg2#
1. Tf1 gxf1=S 2. Dxe3+ Sxe3#
1. Tf1 gxf1=L 2. Se2+ Lxe2# aber 2. ... Te2! unlösbar!
play all play one stop play next play all
Keywords: no solution, under-promotion B/S
Genre: s#
FEN: 8/8/8/8/3NQ1pp/4p1kq/1pp3pr/brR3K1
Input: Frank Müller, 2012-02-15
Last update: Frank Müller, 2012-02-15 more...
33 - P1242141
Isai H. Rozenfeld
9916 Schach 11/1982
P1242141
(8+3) cooked
s#19
1. Tb1 Kf6 2. Tb6+ Kg7 3. c6 Kf6 4. c7+ Kg7 5. Tb1 Kf6 6. Tf1+ Kg7 7. Ld3 c2 8. c8=L c1=D+ 9. Txc1 Kf6 10. Tc6+ Kg7 11. Le6 Kf6 12. La2+ Kg7 13. Tc1 Kf6 14. Tf1+ Kg7 15. Lf5 Kf6 16. Lb1+ Kg7 17. Tf6 Kxf6 18. g7 Lxg7 19. Dg5+ Kxg5#
18. ... Kxg7 19. Dh6+ Kxh6#
play all play one stop play next play all
Cook: Nebenlösung in 11 Zügen:
1. De1,Dd4+ Kh6 2. Dh4+ Kg7 3. Tf5 Kxg6 4. w8=L+ Kg7 5. Lh5 Kh6,Kxh7 6. Lf7+ Kg7 7. La2 Kg6 8. Tf6+ Kg7 9. Ld3,Le4 c2 10. Dg3,Dg4+ Kxf6 11. Dg5+ Kxg5#

Genre: s#
FEN: 7b/4P1kP/6P1/2P5/8/2p1Q3/2B5/K4R2
Input: Frank Müller, 2012-06-17
Last update: Frank Müller, 2012-06-17 more...
34 - P1244316
Isai H. Rozenfeld
1460 Freie Presse (Chemnitz) 17/08/1973
P1244316
(7+1) cooked
#3
1. Dc6! Ke4 2. De6+
1. ... Kf4 2. Se3
1. ... Kg5 2. Se3
play all play one stop play next play all
Cook: 1. Sf6! - 1. Lh6! - 1. Lf6! - 1. h3! - 1. Kg2!
Keywords: Rex solus
Genre: 3#
FEN: 4Q3/6B1/8/3N1k2/3P4/8/7P/1N4K1
Input: Felber, Volker, 2012-07-10
Last update: Felber, Volker, 2012-07-10 more...
35 - P1244333
Isai H. Rozenfeld
1472 Freie Presse (Chemnitz) 14/09/1973
P1244333
(5+9) cooked
#5
1. Ta4! d5 2. Ta5 Ld6 3. Ta7
play all play one stop play next play all
Cook: bereits in 4 Zügen möglich: 1. Ta7 Dg3 2. exd8=D Kxd8 3. Txd7+ Kc8 4. b7#
more ...
comment

Genre: n#
FEN: K1kr4/3pP3/1P2pN2/6p1/3p2pq/R7/7b/8
Input: Felber, Volker, 2012-07-10
Last update: Felber, Volker, 2012-07-11 more...
36 - P1244444
Isai H. Rozenfeld
1535 Freie Presse (Chemnitz) 08/03/1974
P1244444
(5+4)
#4
1. Lc4? f1=D! 2. Le6 Db1+!

1. Le6! droht 2. Sf5+ Ke4 3. Te3#
1. ... f1=S 2. Lc4 ... 3. Sf5+ Ke4 4. Tf4#
play all play one stop play next play all
Keywords: under-promotion (Springer), Holst promotion
Genre: n#
FEN: 6B1/8/3N4/8/1K1k4/3N1Rp1/5p2/7n
Input: Felber, Volker, 2012-07-12
Last update: Felber, Volker, 2014-06-30 more...
37 - P1244447
Isai H. Rozenfeld
1538 Freie Presse (Chemnitz) 15/03/1974
P1244447
(10+9)
#5
1. Lg8! Kg2 2. Dd5+ Kf1 3. Df7 Kg2 4. Df3+ Kxf3 5. Ld5#
4. ... Kf1 5. Dh3#
play all play one stop play next play all
Keywords: Clearance
Genre: n#
FEN: 8/8/8/4P1P1/P5PK/PB2P3/Q1p1pp1p/2Bbrkbr
Input: Felber, Volker, 2012-07-12
Last update: Felber, Volker, 2012-07-12 more...
38 - P1244558
Isai H. Rozenfeld
1590 Freie Presse (Chemnitz) 16/08/1974
P1244558
(3+13)
#5
1. Db5? Sa4+ 2. Dxa4 Lf3 3. Te8 Le4 4. Db5 Ld5!

1. Ta8! Sxa8 2. Dxa8 Lg4 3. Dd5 Ke2 4. De4+
2. ... Lh5 3. De4 Le2 4. Df5
play all play one stop play next play all

Genre: n#
FEN: 2R1Q3/8/1n6/8/8/1p1p2p1/1K1pbpp1/3kbrrn
Input: Felber, Volker, 2012-07-14
Last update: Felber, Volker, 2014-07-02 more...
39 - P1245197
Isai H. Rozenfeld
1713 Freie Presse (Chemnitz) 29/08/1975
P1245197
(9+5)
#3
1. Tb3? droht 2. Sxc4#
1. ... Lf1!

1. Th1! Lxh1 2. Tb3 Lg2 3. Sxc4#
2. ... g2 3. Sxc4#
2. ... cxb3 3. Le2#
2. ... d4 3. Lb7#
play all play one stop play next play all

Genre: 3#
FEN: 7R/1R6/B4N2/3p1PB1/2p3P1/4Nkp1/6b1/4K3
Input: Felber, Volker, 2012-07-22
Last update: Felber, Volker, 2014-07-07 more...
40 - P1245259
Isai H. Rozenfeld
1753 Freie Presse (Chemnitz) 05/12/1975
P1245259
(6+5)
#2
1. Tc3! Kxd2 2. Tc2#
1. ... Txc3 2. Ld1#
1. ... exd2 2. Ld1#
1. ... Txd2 2. Txe3#
1. ... Txd7 2. Dxe3#
play all play one stop play next play all

Genre: 2#
FEN: K7/3R4/8/8/B7/3rp3/2RNk1p1/6Qb
Input: Felber, Volker, 2012-07-23
Last update: Felber, Volker, 2014-07-08 more...
41 - P1245291
Isai H. Rozenfeld
1782v Freie Presse (Chemnitz) 05/03/1976
P1245291
(3+7)
#5
1. Kg6? Tg1+!
1. Sg5? fxg5+ 2. Kg6 Tf6+

1. Tb3! Th1 2. Sg5 fxg5 3. Kg6 Tc1 4. Tb8+
play all play one stop play next play all
Original war verdruckt. Es fehlte der sBg7 (26.03.1976)

Genre: n#
FEN: 7k/1R3Kp1/p3Np2/p7/8/7p/8/5r2
Input: Felber, Volker, 2012-07-24
Last update: Felber, Volker, 2014-07-10 more...
42 - P1245294
Isai H. Rozenfeld
1784 Freie Presse (Chemnitz) 12/03/1976
P1245294
(5+3)
#4
1. h7? ... 2. h8=D#
1. ... 0-0-0!

1. Ta3! Td8 2. Ta8 Txa8 3. h7 ... 4. h8=D#
play all play one stop play next play all
Siehe dazu Vergleichsstück unter P1152566
comment

Genre: n#
FEN: r3k3/8/3PK2P/2N5/8/2R1p3/8/8
Input: Felber, Volker, 2012-07-24
Last update: Felber, Volker, 2014-07-10 more...
43 - P1245305
Isai H. Rozenfeld
1788 Freie Presse (Chemnitz) 26/03/1976
P1245305
(8+3)
#3
a) Diagramm
b) wTd1 nach e6
a) 1. Sd6! droht 2. Sb5+ Kb8 3. c7#
1. ... Kb8 2. Tb1 Kc7 bxa8=S#
1. ... Te8+ 2. Sxe8+

b) 1. d6! Kxc6 2. Te5 Tb8 3. Sxa7#
1. ... Kxc6 2. Te5 Txc8 3. bxc8=D#
play all play one stop play next play all

Genre: 3#
FEN: r1N5/pPk1K3/P1P5/P2P4/8/8/8/3R4
Input: Felber, Volker, 2012-07-24
Last update: Felber, Volker, 2014-07-10 more...
44 - P1245455
Isai H. Rozenfeld
1812 Freie Presse (Chemnitz) 02/07/1976
P1245455
(5+3)
#3
1. Tg8? Tb6!

1. Tb7! Tb6 2. Lc6 Tb1 3. Txb1#
2. ... Txb7 3. Lxb7#
2. ... Txc6 3. Tb8#
play all play one stop play next play all

Genre: 3#
FEN: k7/P5R1/7r/1B6/8/8/p7/K5B1
Input: Felber, Volker, 2012-07-26
Last update: Felber, Volker, 2014-07-10 more...
45 - P1247862
Isai H. Rozenfeld
2278 Freie Presse (Chemnitz) 10/07/1981
P1247862
(6+2) cooked
#3
1. Se8! droht 2. Sd6+ Kd4 3. Se6#, 2. ... Kxf4 3. Sg6#
1. ... Kf5 2. Dd3+ Kxf4 3. Sg6#
1. ... Kxf4 2. Dd3 Ke5 3. Sg6#
1. ... Kd4 2. Se6+ Ke4 3. Sd6#
play all play one stop play next play all
Cook: Dual: 1. ... Kf5 2. Se6 Ke4/a1=D 3. Sd6/Dd3#
Keywords: Model mate
Genre: 3#
FEN: 5N2/6N1/8/3P3K/4kP2/1Q6/p7/8
Input: Felber, Volker, 2012-09-03
Last update: Felber, Volker, 2014-07-29 more...
46 - P1248352
Isai H. Rozenfeld
2656 Freie Presse (Chemnitz) 16/08/1985
P1248352
(3+5)
#6
1. Th4? Ka7 2. Txg4 Ka6!

1. Sf3! gxf3 2. Th1 b2 3. Th4 b5 4. Tb4 f2 5. Txb2 f1=D 6. Ta2#
play all play one stop play next play all
Siehe dazu frühere Bearbeitung unter P1136271
comment
Keywords: Line opening
Genre: n#
FEN: k7/1pK4p/7R/8/6p1/1p6/7N/8
Input: Felber, Volker, 2012-09-14
Last update: Felber, Volker, 2014-08-11 more...
47 - P1248457
Isai H. Rozenfeld
2707 Freie Presse (Chemnitz) 07/03/1986
P1248457
(6+5)
#3
1. e3? Se4!

1. e4! Zugzwang
1. ... Sxe4 2. De6 Ke2 3. Dxe4#
2. ... Lf3 3. Lxd2#
1. ... Sd1 2. Df1+ Lxf1 3. Lxd2#
play all play one stop play next play all

Genre: 3#
FEN: 8/8/Q7/B7/B7/7p/3rPnbR/4k1K1
Input: Felber, Volker, 2012-09-15
Last update: Felber, Volker, 2014-08-12 more...
48 - P1248482
Isai H. Rozenfeld
2733 Freie Presse (Chemnitz) 20/06/1986
P1248482
(8+9)
#3
1. Sf4! droht 2. Sg6+ Kd4 3. Da7#
1. ... Kxf4 2. e5 Kxe3 3. De4#
1. ... Kd4 2. Da7+ Ke5 3. Sg6#
1. ... Td5 2. Sxe6 Kxe6+ 3. exd5#
1. ... d5 2. Sg6+ Kd6 3. De7#
play all play one stop play next play all
Keywords: Sacrifice key, Flight giving
Genre: 3#
FEN: B7/7Q/3ppp2/4k2K/2p1P1P1/2p1R1p1/2PrNb2/8
Input: Felber, Volker, 2012-09-15
Last update: Felber, Volker, 2014-08-13 more...
49 - P1286604
Isai H. Rozenfeld
2412 Freie Presse (Chemnitz) 03/12/1982
P1286604
(6+5) cooked
#5
1. Lh3? a1=D!
1. Lc1? a1=D!

1. Lh6! Lb4 2. Lc1 Le7 3. Lh3! Ke2 4. Lg4+ Ke1 5. Ld2#,Sd3#
play all play one stop play next play all
Cook: Mattdual
Korrektur 14.01.1983: -sBh4, sLe7 nach f6, +sSb4 reicht nicht aus!
comment
Keywords: Employment steering
Genre: n#
FEN: 8/4b3/8/1n6/4N2p/5k2/p2B1N1P/5BK1
Input: Felber, Volker, 2014-07-31
Last update: Felber, Volker, 2014-07-31 more...
50 - P1287153
Isai H. Rozenfeld
2618 Schach 10, p. 157, 05/1957
5. Preis
P1287153
(11+4)
#4
1. Tb5! g2 2. Tg1! h1=L 3. Lf1
play all play one stop play next play all
SCHRECKE: C+, Gustav 4.1d, Brute Force (2020-09-03)
comment

Genre: n#
FEN: 5N1k/5p1P/KP3P2/P7/7P/6p1/4BP1p/1R5R
Input: Felber, Volker, 2014-08-20
Last update: Felber, Volker, 2014-08-20 more...
51 - P1287400
Isai H. Rozenfeld
Noorte Hääl 1947
2. Preis
P1287400
(10+8)
#2
1. Lc4? Se4!
1. Lb3? Sd5!
1. La2? Lxb7!
1. Le6? d5!
1. Lf7? dxc6!
1. Lg8? Te4!

1. Lh1! droht 2. Dg2#
play all play one stop play next play all
Keywords: white self-obstruction (6-fach)
Genre: 2#
FEN: R3r3/1R1p4/bnQp4/2nB4/5P1B/4p2K/4PN1N/6k1
Reprints: (3174) Freie Presse (Chemnitz) 28/03/1991
Input: Felber, Volker, 2014-08-27
Last update: Felber, Volker, 2014-08-27 more...
52 - P1337350
Isai H. Rozenfeld
12 Shakhmaty v SSSR 03/1954
Ehrende Erwähnung
P1337350
(9+3) C+
#4
1. Ka7-a8! droht 2. Ta1-a7 ... 3. Sf8-g6#
1. ... h2-h1=D,L 2. Te1xh1 g3-g2 3. Ta1-g1 g2xh1=D,~ 4. Tg1-g8#
1. ... g3-g2 2. Te1-g1 droht 3. Ta1-a7 ... 4. Sf8-g6#
2. ... h2-h1=L 3. Ta1-f1 g2xf1=D,~ 4. Tg1-g8#
play all play one stop play next play all

Genre: n#
Computer test: Popeye 4.67
FEN: 5N1k/K6P/7P/8/4P2P/4P1p1/7p/R3R3
Input: Marcin Banaszek, 2017-08-10
Last update: Rainer Staudte, 2017-08-16 more...
53 - P1337392
Isai H. Rozenfeld
44 Shakhmaty v SSSR 11/1954
P1337392
(6+6) C+
#5
1. a3-a4! b7-b6 2. Te1-d1 b6-b5 3. Kf1-e1 b5xa4 4. Ke1-d2 a4-a3 5. Lb4-c3#
1. ... b7-b5 2. Kf1-g1 b5xa4 3. Te1-f1 a4-a3 4. Lb4-e1 ... 5. Le1-c3#
play all play one stop play next play all

Genre: n#
Computer test: Popeye 4.73
FEN: 8/1p6/8/5p2/1B3p2/P4p2/pk3P2/N3RK2
Input: Marcin Banaszek, 2017-08-11
Last update: Marcin Banaszek, 2017-08-11 more...
54 - P1347292
Isai H. Rozenfeld
3469 Schach 10, p. 157, 05/1960
2.-3. Preis ex aequo
P1347292
(9+9) cooked
#3
1. Da1-g1! zz
1. ... Tc2-c1 2. Dg1xh2+ Tb4-f4 3. b7-b8=D#, 2. ... e6-e5 3. Dh2xe5#
1. ... Tc2-b2 2. b7-b8=D+ Tb4xb8 3. Sa3-c4#
1. ... Tc2-c3 2. Dg1xh2+ Tb4-f4 3. b7-b8=D#, 2. ... e6-e5 3. Dh2xe5#
1. ... Lh2xg1,Lf4 2. Le3-f4+ Tb4xf4 3. b7-b8=D#, 2. ... e6-e5 3. Lf4xe5#
1. ... Lh2-e5 2. Dg1-g4 Tb4xg4 3. b7-b8=D#
1. ... Lh2-g3 2. Dg1xg3+ Tb4-f4 3. b7-b8=D#, 2. ... e6-e5 3. Dg3xe5#
1. ... d3-d2 2. Dg1xh2+ Tb4-f4 3. b7-b8=D#, 2. ... e6-e5 3. Dh2xe5#
1. ... Tb4xb7 2. Dg1xh2+ Tc2xh2 3. Sa3-c4#, 2. ... e6-e5 3. Dh2xe5#
1. ... Tb4-e4 2. Lf3xe4 Tc2-b2 3. Sa3-c4#, 2. ... Kd6-e5 3. Te7xe6#
1. ... e6-e5 2. Dg1-g4 Tb4xb7 3. Dg4-e6#, 2. ... Tb4xg4 3. b7-b8=D#
1. ... Kd6-e5 2. Te7xe6+ Ke5-f5 3. Dg1-g6#
1. ... Tb4-b1,Tb2,Tb3,Tb5,Tb6 2. Dg1xh2+ Tc2xh2 3. Sa3-c4#, 2. ... e6-e5 3. Dh2xe5#,
2. Dg1-g4 droht 3. Dg4xe6#
1. ... Tc2-a2 2. Sa3-c4+ Tb4xc4 3. b7-b8=D#, 2. b7-b8=D+ Tb4xb8 3. Sa3-c4#
1. ... Tc2-c4,Td2,Te2,Tf2,Tg2 2. Sa3xc4+ Tb4xc4 3. b7-b8=D#, 2. b7-b8=D+ Tb4xb8 3. Sa3xc4#
1. ... c5-c4 2. Dg1-g4 Lh2-e5,Lf4,Tb5,c3,c5 3. Dg4xe6#, 2. Le3-f4+ Lh2xf4,e5 3. Dg1-d4#
play all play one stop play next play all
Cook: Duale: 1. ... Tb4-b1,Tb2,Tb3,Tb5,Tb6 2. Dg1xh2+, 2. Dg1-g4
1. ... Tc2-a2 2. Sa3-c4+, 2. b7-b8=D+
1. ... Tc2-c4,Td2,Te2,Tf2,Tg2 2. Sa3xc4+, 2. b7-b8=D+
1. ... c5-c4 2. Dg1-g4, 2. Le3-f4+
Keywords: Promotion
Genre: 3#
FEN: 8/1P2RK2/2pkpP1p/2p4P/1r6/N2pBB2/2r4b/Q7
Reprints: Szachy 02/1962
Input: Marcin Banaszek, 2018-02-27
Last update: Felber, Volker, 2021-07-01 more...
55 - P1351695
Isai H. Rozenfeld
Shakhmaty v SSSR 1968
3. Preis
P1351695
(4+7) C+
#6
1. Tg6-g4! droht 2. Tg4-h4#
1. ... f3-f2 2. Le1xf2 Kh5-h6 3. Tg4-g6+ Kh6-h5 4. Tg6-g5+ Kh5-h6 5. Lf2-d4 ... 6. Ld4-g7#
1. ... Kh5-h6 2. Le1-d2 b2-b1=S 3. Ld2-e3 Sa5-c4 4. Tg4-g6+ Kh6-h5 5. Tg6-g7 ... 6. Tg7-h7#
2. ... Sa5-c4 3. Tg4-g6+ Kh6-h5 4. Tg6-g8 La2-b1 5. Tg8-h8+ Lb1-h7 6. Th8xh7#
4. ... b2-b1=D 5. Tg8-h8+ Db1-h7 6. Th8xh7#
4. ... b2-b1=L 5. Tg8-h8+ Lb1-h7 6. Th8xh7#
4. ... Kh5-h6 5. Kf4-g4+ Sc4xd2 6. Tg8-g6#, 5. ... Sc4-e3+ 6. Ld2xe3#
play all play one stop play next play all
Keywords: Promotion (sdl), under-promotion
Genre: n#
Computer test: Popeye 4.67
FEN: 1n3N2/8/6R1/n6k/1p3K2/5p2/bp6/4B3
Reprints: 1614 Szachy 09/1969
Input: Marcin Banaszek, 2018-06-21
Last update: Alfred Pfeiffer, 2018-06-21 more...
56 - P1376327
Isai H. Rozenfeld
Schach 1971
gewidmet H. Vetter
nach Theodor Siers
P1376327
(10+9)
#4
1. Kg8! g1=D 2. h8=D Dc5 3. Dxc3 Dxc3 4. Ld5#
1. ... g1=L 2. h8=L! Lc5 3. Lxc3 ... 4. Ld5#
1. ... g1=S 2. h8=S! Sf3 3. Sxg6 Sd5 4. Lxd5#
play all play one stop play next play all
See P1051795
Keywords: Allumwandlung, Babson 3/4
FEN: 4N3/1pNp1BKP/1pkB2p1/1p3pP1/1P3P2/2n5/6pP/8
Input: James Malcom, 2020-05-25
Last update: James Malcom, 2020-05-25 more...
57 - P1376982
Isai H. Rozenfeld
2357 Schach 12, p. 187, 06/1956
P1376982
(6+8)
#4
1. Th6! Txh5 2. Ta6 Ta4 3. Te6 dxe6,fxe6 4. Lxa4,Lxh5#
play all play one stop play next play all
Henrik Juel: Slightly damaged by duals
The main variation is
1.Th6 Txh5 2.Ta6 Ta4 3.Te6 dxe6/fxe6 4.Lxa4/Lxh5# (2020-06-14)
comment

Genre: n#
FEN: 4k3/3pPp2/5R2/2p2NpP/6rr/8/p7/K2B4
Input: Felber, Volker, 2020-06-14
Last update: Alfred Pfeiffer, 2020-06-15 more...
58 - P1377021
Isai H. Rozenfeld
2392 Schach 15, p. 235, 08/1956
P1377021
(5+6) C+
#3
1. Tg1? Lf4!

1. Tg7! Lf4 2. De1 Le5+ 3. Dxe5#
1. ... Lxg7 2. Dxg7 Lg2 3. De5#
1. ... Lg5 2. Txg5 d6 3. Dg3#
2. ... h4,Lf3 3. De5#
play all play one stop play next play all

Genre: 3#
Computer test: Popeye WINDOWS98-32Bit-Version 3.77 (8192KB)
FEN: 8/3p3p/7b/3b3p/8/2Q3RN/5N1k/K7
Input: Felber, Volker, 2020-06-15
Last update: Felber, Volker, 2020-06-15 more...
59 - P1377103
Isai H. Rozenfeld
Shakhmatna Misl 10/1983
1. ehrende Erwähnung
Vladimir Rangelov 60 JT
Thematurnier
P1377103
(12+11) cooked
#3
1. Lc8-b7! droht 2. d3-d4#
1. ... Ta3xd3 2. Lb4-c3+ Td3xc3 3. d2-d4#
2. ... Td3-d4 3. Lc3xd4#
1. ... Tg3xd3 2. Sh4-f3+ Td3xf3 3. d2-d4#
1. ... La6xd3 2. Sa5-c4+ Ld3xc4 3. d2-d4#
1. ... Dh7xd3,De4 2. Tf6-f5+ Dd3xf5 3. d2-d4#
1. ... Sc1xd3 2. De1-a1+ Ta3xa1 3. Lb4-c3#
2. ... Sd3-b2 3. d2-d4#
1. ... Sc1-b3 2. De1xe2+ Tg3-e3 3. Sh4-f3#
2. ... Sf4xe2 3. Td6-d5#
DL 2. Lb4-c3+ Sb3-d4 3. Lc3xd4#
1. ... Sf4xd3 2. De1-h1 droht 3. Td6-d5# 3. Dh1-d5#
2. ... Sd3-f4 3. d2-d4#
2. ... Tg3-g2,Tf3 3. Sh4-f3#
2. ... La6xb7,Lc4 3. Sa5-c4#
2. ... Dh7-e4,Df7 3. Dh1xe4#
2. ... Dh7-f5 3. Tf6xf5#
DL 2. f2-f4+ Sd3xf4 3. d2-d4#
play all play one stop play next play all
Cook: Duale: 1. ... Sc1-b3 2. De1xe2+, 2. Lb4-c3+
1. ... Sf4xd3 2. De1-h1, 2. f2-f4+

Genre: 3#
FEN: 2B5/K2p3q/b2R1R2/N3k1P1/pB3n1N/r2P2rp/3PpP2/2n1Q3
Input: Marcin Banaszek, 2020-06-19
Last update: Marcin Banaszek, 2020-06-19 more...
60 - P1382756
Isai H. Rozenfeld
2438 Schach 19, p. 299, 10/1956
P1382756
(10+8) C+
#3
1. Le6? Le8!
1. Db7? Lxe5 2. Dxd7 Lf6!

1. Tf5! droht 2. Sd6+ Kd4 3. e6#
1. ... Kxf5 2. Df8+ Ke4 3. Df3#
1. ... Lxf5 2. Dxc6+ Kf4 3. Df3#
play all play one stop play next play all
In der LB 01/1957, Seite 12 sBh2 hinzugefügt.
comment

Genre: 3#
Computer test: Popeye WINDOWS98-32Bit-Version 3.77 (8192KB)
FEN: Q4RBB/3b4/1pp5/1N2P1pP/1p2k3/1P5P/4K2p/b7
Input: Felber, Volker, 2020-12-06
Last update: Felber, Volker, 2020-12-06 more...
61 - P1382885
Isai H. Rozenfeld
2497 Schach 24, p. 377, 12/1956
P1382885
(7+7)
#4
1. Kg4! droht 2. Dd1
play all play one stop play next play all
Henrik Juel: ... thr. 3.Sc2~+ (5 threats)
2... T~ 3.Sd4+ (2020-12-11)
comment

Genre: n#
FEN: 5B1b/1p1Q1p2/1p6/pr3P2/k7/P6K/2N5/2N5
Input: Felber, Volker, 2020-12-11
Last update: Felber, Volker, 2020-12-11 more...
62 - P1383009
Isai H. Rozenfeld
2555 Schach 5, p. 75, 03/1957
P1383009
(10+11) cooked
#3
1. Kxg7? Lf3!
play all play one stop play next play all
Keywords: no solution
Genre: 3#
FEN: N5K1/2R2Bp1/1p1k1p2/p1b1pP2/1p4P1/1N1P4/r4P2/n1Qb4
Input: Felber, Volker, 2020-12-14
Last update: Felber, Volker, 2020-12-14 more...
63 - P1383019
Isai H. Rozenfeld
2589v Schach 8, p. 124, 04/1957
Paul Keres gewidmet
P1383019
(5+7) C+
#4
1. g3! droht 2. Sf2+ Ke5 3. Sg4+ Ke4 4. Dd3#
1. ... b5 2. De6+ Kd4 3. Sc1 droht 4. Sb3#
1. ... f5 2. Dc6+ Kd4 3. Se1 droht 4. Sf3#
play all play one stop play next play all
Korrektur 08/1957, Heft 16, Seite 252: sSg8->c8, +sSa3
comment

Genre: n#
Computer test: Popeye WINDOWS98-32Bit-Version 3.77 (8192KB)
FEN: 2n5/b2Q4/1p3p2/8/1p2k3/n2N4/1P2K1P1/8
Input: Felber, Volker, 2020-12-14
Last update: Felber, Volker, 2020-12-14 more...
64 - P1383055
Isai H. Rozenfeld
2628 Schach 11, p. 173, 06/1957
3. ehrende Erwähnung
P1383055
(8+9) C+
#4
1. Te4! Lxe4 2. Tc5 Ld3 3. Td5 ... 4. Td8#
2. ... Ld5 3. Txd5 ... 4. Td8#
play all play one stop play next play all

Genre: n#
Computer test: Popeye WINDOWS98-32Bit-Version 3.77 (8192KB)
FEN: 4k3/p1K2pB1/1pP2P2/4NP2/8/6p1/3p4/2RrR1rb
Input: Felber, Volker, 2020-12-16
Last update: Felber, Volker, 2020-12-16 more...
65 - P1383074
Isai H. Rozenfeld
2648 Schach 13, p. 204, 07/1957
P1383074
(6+12) cooked
#4
1. Txe7!
play all play one stop play next play all
Cook: NL 1. Lc8-a6!, 1. Lb8-a7!, 1. Te6-e4!, 1. Te6-e5!, 1. Te6xd6+!

Genre: n#
FEN: KBBn3b/3pp2n/2kpR3/Q2N4/7q/1p3rr1/8/1b6
Input: Felber, Volker, 2020-12-17
Last update: Felber, Volker, 2020-12-17 more...
66 - P1385330
Isai H. Rozenfeld
2969 Schach 16, p. 243, 08/1958
P1385330
(3+7) C+
#4
1. Tb3? Sd3 2. Txd3 g1=S 3. Kxg6 cxb1=D!

1. Tb4! g5 2. Th4+ gxh4 3. Tb4 ... 4. Txh4#
play all play one stop play next play all
Aus der LB 11/1958, Heft 22, Seite 338: "Mit zusätzlichem sSh1 gibt es, wie W. Schöpka entdeckt hat, einen hübschen fünfzügigen Zwilling; es scheitert nun 1. Tb4? an Sg3, darum 1. Tb8+! Kh7 2. Th8+ Kxh8 3. Tb4! Sg3,Bg5 4. Kg6 5. Tb8.".

So aber dualistisch und auch NL.

Genre: n#
Computer test: Popeye WINDOWS98-32Bit-Version 3.77 (8192KB)
FEN: 7k/2p2K2/6p1/8/8/p7/1Rp3p1/1Rn5
Input: Felber, Volker, 2021-01-13
Last update: Felber, Volker, 2021-01-13 more...
67 - P1385511
Isai H. Rozenfeld
3008 Schach 19, p. 291, 10/1958
P1385511
(3+11) cooked
#4
1. Dg6-b6!
play all play one stop play next play all
Cook: NL 1. Dg6xg8+!
milan: sBh6-h2 M.Frelih (2021-05-25)
comment

Genre: n#
FEN: 5bn1/3K4/6Qp/1p1k4/1n3p2/1pBp1p2/1p6/8
Input: Felber, Volker, 2021-01-18
Last update: Felber, Volker, 2021-01-18 more...
68 - P1385684
Isai H. Rozenfeld
2835 Schach 4, p. 61, 02/1958
P1385684
(11+9) cooked
#4
1. Sa3! droht 2. Lc2+ Ka2 3. Sc4 ... 4. Ta1#
1. ... Txe5 2. Lc4+ Ka4 3. Sc2, Dual 3. Ta1
play all play one stop play next play all

Genre: n#
FEN: K7/1n3P1p/N6b/pN2P2r/3PP1p1/1k1B4/1P1p3n/1R1R4
Input: Felber, Volker, 2021-01-24
Last update: Felber, Volker, 2021-01-24 more...
69 - P1385690
Isai H. Rozenfeld
3066 Schach 24, p. 369, 12/1958
P1385690
(5+4) cooked
#3
1. Dg4-g1+! 1. Dg4-c4! 1. Dg4-d4! 1. Sc2-d4!
play all play one stop play next play all
Cook: NL 1. Dg4-g1+!, 1. Dg4-c4!, 1. Sc2-d4!

Genre: 3#
FEN: 8/1B6/8/p7/K5Q1/3p4/2NpN3/3k4
Input: Felber, Volker, 2021-01-24
Last update: Felber, Volker, 2021-01-24 more...
70 - P1386363
Isai H. Rozenfeld
3144 Schach 7, p. 107, 04/1959
P1386363
(5+8) cooked
#5
1. Kc7! Lg3+ Kc8 Le5 3. Te4 Te2 4. Se7+ Kh8 5. Th7#
1. ... Ld8+ Kxd8 Td2 3. Tb8, Dual 3. Kc7
play all play one stop play next play all
Henrik Juel: the dual is 3.Kc7, not the repeated Tb8 (2021-02-10)
James Malcom: Fixed. (2021-02-10)
comment

Genre: n#
FEN: 6k1/1K3R2/6P1/3N4/1R5b/2p2n2/pn5r/7b
Input: Felber, Volker, 2021-02-10
Last update: James Malcom, 2021-02-10 more...
71 - P1389689
Isai H. Rozenfeld
3298 Schach 20, p. 313, 10/1959
P1389689
(9+9) cooked
#3
Keywords: no solution
Genre: 3#
FEN: 4Q3/3p4/3P1PR1/B4p1n/3p3b/3kpn1N/7p/2RK3B
Input: Felber, Volker, 2021-05-16
Last update: Felber, Volker, 2021-05-16 more...
72 - P1391289
Isai H. Rozenfeld
Schach 1965
2. Preis
P1391289
(10+12)
#3
1. h6! droht 2. Sf6
1. ... f5 2. h7
1. ... Lc4 2. De7+
1. ... Lxd5 2. Dxc7+
1. ... Db3 2. Ta5
play all play one stop play next play all
Henrik Juel: C+ Popeye 4.61 (except for the promotion mate dual 1... f5 2.h7 thr. 3.h8=DL) (2021-07-02)
comment

Genre: 3#
FEN: 4K3/p1pQ1p2/2P3p1/3Nk2P/Rp6/q1pBP3/bpP5/1n2N1n1
Reprints: 4602 Schach-Echo 4, p. 64, 02/1967
Input: Dieter Berlin, 2021-07-02
Last update: Dieter Berlin, 2021-07-02 more...
73 - P1391360
Isai H. Rozenfeld
3499 Schach 13, p. 204, 07/1960
P1391360
(8+7) cooked
#5
1. Kb4-c4!
play all play one stop play next play all
Cook: NL 1. Df6-a6!

Genre: n#
FEN: 8/2p5/5Qpp/6nq/1K2R1nk/4P3/1P1P1P2/6N1
Input: Felber, Volker, 2021-07-05
Last update: Felber, Volker, 2021-07-05 more...
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