55 problem(s) found in 1063 milliseconds (displaying 55 problem(s)).

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))
Input: hpr, 1996-12-31
Last update: hpr, 1999-8-28 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.--- (2008-8-20)
comment
Keywords: Allumwandlung, Figurenspiel
Genre: h#
Computer test: (Popeye C-Version 3.52 (2048 KB))
Reprints: 14 Heterodoxe Pickaninny´s 1988
Input: Erich Bartel, 1996-12-31
Last update: Rainer Staudte, 2011-7-22 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))
Input: HBae, 1997-9-22
Last update: hpr, 1999-3-24 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))
Input: Markus Manhart, 1998-4-17
Last update: hpr, 1999-11-9 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))
Input: Markus Manhart, 1998-5-9
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))
Input: Markus Manhart, 1998-5-11
Last update: hpr, 1999-2-7 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))
Input: Ronald Schäfer, 1998-1-20
Last update: hpr, 1999-1-9 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))
Input: Markus Manhart, 1999-1-27
Last update: hpr, 1999-12-4 more...
9 - P0567711
Isai H. Rozenfeld
3271 Schach 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)
Genre: h#
Computer test: (Popeye C-Version 3.52 (2048 KB))
Input: Ralf Binnewirtz, 1998-10-7
Last update: hpr, 1999-3-25 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))
Input: Markus Manhart, 1999-3-31
Last update: Markus Manhart, 1999-3-31 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 (2017-8-11)
more ...
comment
Keywords: Brian Stephenson Collection (23368)
Genre: n#
Computer test: Rosalie Fay:C+ Popeye Windows-64Bit v4.69 (2015-10-4)
Input: Brian Stephenson, 2004-8-12
Last update: Alfred Pfeiffer, 2017-8-11 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#
Input: Brian Stephenson, 2004-8-12
Last update: Felber, Volker, 2011-2-22 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#
Input: Brian Stephenson, 2004-8-12
Last update: Felber, Volker, 2011-3-14 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#
Input: Felber, Volker, 2010-9-11
Last update: Felber, Volker, 2014-6-28 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 (2012-7-12)
comment
Keywords: Miniature Collection (0291400), Pickaninny
Genre: 2#
Input: Felber, Volker, 2010-9-11
Last update: Rainer Staudte, 2014-9-3 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#
Input: Zuncke/Bruder, 2010-9-11
Last update: Zuncke/Bruder, 2010-9-11 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#
Input: Zuncke/Bruder, 2010-9-11
Last update: Zuncke/Bruder, 2010-9-11 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#
Input: Felber, Volker, 2010-9-11
Last update: Frank Müller, 2011-9-24 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#
Input: Zuncke/Bruder, 2010-9-11
Last update: Felber, Volker, 2012-9-14 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#
Input: Felber, Volker, 2010-9-12
Last update: Felber, Volker, 2010-9-12 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#
Input: Zuncke/Bruder, 2010-9-12
Last update: Felber, Volker, 2016-3-5 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#
Input: Zuncke/Bruder, 2010-9-12
Last update: Zuncke/Bruder, 2010-9-12 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#
Input: Felber, Volker, 2010-9-12
Last update: Felber, Volker, 2010-9-12 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#
Input: Felber, Volker, 2010-9-12
Last update: Felber, Volker, 2014-8-11 more...
25 - P1170969
Isai H. Rozenfeld
2464 Schach , p. 331, 01/11/1956
P1170969
(5+2)
#4
1. c7
play all play one stop play next play all
ROd-L
comment
Keywords: Miniature Collection (0289393)
Genre: n#
Input: Felber, Volker, 2010-9-12
Last update: Felber, Volker, 2010-9-12 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#
Input: Felber, Volker, 2010-9-12
Last update: Felber, Volker, 2010-9-12 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#
Input: Felber, Volker, 2010-9-12
Last update: Felber, Volker, 2010-9-12 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#
Input: Frank Müller, 2011-9-17
Last update: Frank Müller, 2011-9-17 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#
Input: Frank Müller, 2011-10-7
Last update: Frank Müller, 2011-10-7 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#
Input: Frank Müller, 2011-10-7
Last update: Frank Müller, 2011-10-7 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, Promoted material on the board
Genre: s#
Input: Frank Müller, 2011-10-7
Last update: Frank Müller, 2011-10-7 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#
Input: Frank Müller, 2012-2-15
Last update: Frank Müller, 2012-2-15 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#
Input: Frank Müller, 2012-6-17
Last update: Frank Müller, 2012-6-17 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#
Input: Felber, Volker, 2012-7-10
Last update: Felber, Volker, 2012-7-10 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#
Input: Felber, Volker, 2012-7-10
Last update: Felber, Volker, 2012-7-11 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#
Input: Felber, Volker, 2012-7-12
Last update: Felber, Volker, 2014-6-30 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#
Input: Felber, Volker, 2012-7-12
Last update: Felber, Volker, 2012-7-12 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#
Input: Felber, Volker, 2012-7-14
Last update: Felber, Volker, 2014-7-2 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#
Input: Felber, Volker, 2012-7-22
Last update: Felber, Volker, 2014-7-7 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#
Input: Felber, Volker, 2012-7-23
Last update: Felber, Volker, 2014-7-8 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#
Input: Felber, Volker, 2012-7-24
Last update: Felber, Volker, 2014-7-10 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#
Input: Felber, Volker, 2012-7-24
Last update: Felber, Volker, 2014-7-10 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#
Input: Felber, Volker, 2012-7-24
Last update: Felber, Volker, 2014-7-10 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#
Input: Felber, Volker, 2012-7-26
Last update: Felber, Volker, 2014-7-10 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#
Input: Felber, Volker, 2012-9-3
Last update: Felber, Volker, 2014-7-29 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: Linienöffnung
Genre: n#
Input: Felber, Volker, 2012-9-14
Last update: Felber, Volker, 2014-8-11 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#
Input: Felber, Volker, 2012-9-15
Last update: Felber, Volker, 2014-8-12 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#
Input: Felber, Volker, 2012-9-15
Last update: Felber, Volker, 2014-8-13 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: Beschäftigungslenkung
Genre: n#
Input: Felber, Volker, 2014-7-31
Last update: Felber, Volker, 2014-7-31 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

Genre: n#
Input: Felber, Volker, 2014-8-20
Last update: Felber, Volker, 2014-8-20 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#
Reprints: (3174) Freie Presse (Chemnitz) 28/03/1991
Input: Felber, Volker, 2014-8-27
Last update: Felber, Volker, 2014-8-27 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
Input: Marcin Banaszek, 2017-8-10
Last update: Rainer Staudte, 2017-8-16 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
Input: Marcin Banaszek, 2017-8-11
Last update: Marcin Banaszek, 2017-8-11 more...
54 - P1347292
Isai H. Rozenfeld
3469 Schach 10, p. 157, 05/1960
2.-3. Preis
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#
Reprints: Szachy 02/1962
Input: Marcin Banaszek, 2018-2-27
Last update: Alfred Pfeiffer, 2018-2-27 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
Reprints: 1614 Szachy 09/1969
Input: Marcin Banaszek, 2018-6-21
Last update: Alfred Pfeiffer, 2018-6-21 more...
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