Chess Problem Database Server

15 problem(s) found in 2222 milliseconds (displaying 15 problem(s)). [A='Cohn' and FIRSTNAME='Hans'] [download as LaTeX]

1 - P1119750
Hans Cohn
Augsburger Nachrichten 1928

(3+3)
#2

1. Dh8! droht 2. La3#,Lb4#,Lc5#,Ld6#,Le7#,Lh6#,Lg7#
1. ... Ta2+ 2. La3#
1. ... Tb2 2. Lb4#
1. ... Tc2 2. Lc5#
1. ... Td2 2. Ld6#
1. ... Te2 2. Le7#
1. ... Tf6+ 2. Ld6#
1. ... Th2 2. Lh6#
1. ... Tg2 2. Lg7#
1. ... Kb8 2. Ld6#
play all

G5LT
Reichspost 25.03.1928;
vf: a1<>h1, H. Kohser, 1923, Dresdner Anzeiger
Henrik Juel: C+ Popeye 4.61, except that several moves do not defend any of the threats (2020-11-13)
comment

Keywords: Miniature Collection (0308961), anticipated (P1174874), Fleck Theme
Genre: 2#
FEN: k4B2/5p2/K7/8/8/8/5r2/Q7
Reprints: Reichspost (Wien) 25/03/1928
Input: Zuncke/Bruder, 2010-09-11
Last update: Mario Richter, 2020-11-12 more...

2 - P1133813
Hans Cohn
Der Tag 1959

(3+4)
#3

1. d8=D f3 2. Te6+ Kxe6 3. Dd6#
2. ... fxe6 3. Dd4#
2. ... Kf4 3. Dh4#
1. ... Ke4 2. Td3 Ke5 3. De7#
2. ... f3 3. Dd4#
play all

E7aD
Henrik Juel: C+ by Popeye 4.61 (2020-01-11)
comment

Keywords: Miniature Collection (0336105)
Genre: 3#
FEN: 8/3P1p2/3R4/2K1kp2/5p2/8/8/8
Input: Zuncke/Bruder, 2010-09-11
Last update: Rainer Staudte, 2020-01-11 more...

3 - P1161791
Hans Cohn
981 Arbeiter-Schachzeitung (Chemnitz) 4, p. 80, 04/1924

(6+1) C+
#3

1. La3! droht 2. Lc5 Ke5 3. Tg5#
1. ... Ke5 2. Se7 Kd4 3. Sc6#; 2. ... Kf4 3. Ld6#
play all

A9LS- mm
comment

Keywords: Miniature Collection (0293084)
Genre: 3#
Computer test: Popeye WINDOWS98-32Bit-Version 3.77 (8192
FEN: 8/5K2/8/3N1k2/8/1PN3R1/1B6/8
Input: Felber, Volker, 2010-09-12
Last update: Felber, Volker, 2015-04-28 more...

4 - P1163046
Hans Cohn
Ajedrez en Guatemala 1947

(5+2)
#2

1. Th4! Kxh4 2. Dg3#
1. ... Kxh6 2. Dg7#
1. ... Sg3,Sh5 2. Df4#
1. ... Sf6 2. Df4#,De5#
1. ... Sf4 2. Dxf4#,De5#
1. ... Kf5 2. Da5,Dc5#
play all

comment

Keywords: Miniature Collection (0293113)
Genre: 2#
FEN: 5K2/2Q5/7R/6kn/5R2/8/7P/8
Input: Felber, Volker, 2010-09-12
Last update: Rainer Staudte, 2017-01-03 more...

5 - P1180062
Hans Cohn
379 Schachmaty 1929

(4+4)
Gewinn

1. h6!! hinterlistige Linienöffnung gxh6 2. Ta8+!! Dxa8 3. Th7 nebst 4. Th8+ +-
1. ... Df2+ 2. Tac5 Db2+ 3. Tb5 Df2+ 4. Kc6+ +-
play all

comment

Keywords: Line opening, Deflection
Genre: Studies
FEN: 1k6/2R3p1/1K6/R3p2P/8/8/6q1/8
Input: Gunter Jordan, 2010-11-12
Last update: Rainer Staudte, 2020-01-11 more...

6 - P1223664
Hans Cohn
The Australasian 1930

(5+7) C+
#7

1. Sc3 b5 2. Sxb5 Lg6 3. Sc7 Lf7 4. Sa8 Le6,Le8,Lh5,Lg6 5. Sb6 ... 6. Sxd5,Sxd7 ... 7. Sf6#
1. ... Lf3 2. Sa4 Lg4 3. Sxb6 Le6 4. Sa8 Lf7 5. Sc7 Le6,Lg6 6. Se8,Sxd5 ... 7. Sf6#
play all

more ...
comment

Genre: n#
Computer test: Popeye Windows-64Bit v4.69
FEN: 6kr/3pK2p/1p1P3P/3p4/3Pb3/8/8/3N4
Input: Felber, Volker, 2011-11-08
Last update: Alfred Pfeiffer, 2015-09-22 more...

7 - P1301960
Hans Cohn
943 Arbeiter-Schachzeitung (Chemnitz) 2, p. 32, 02/1924
Deutscher Arbeiter-Schachbund 1924

(8+6) C+
#3

1. Sb7! Kd5 2. c4+ dxc3ep 3. Dd1#
1. ... f4 2. Dd1
1. ... d3 2. cxd3,Dd2 (Dual)
play all

Motto: Marie
Henrik Juel: C+ by Popeye 4.61, except for the indicated dual (2015-04-26)
comment

Genre: 3#
Computer test: Popeye 4.61
FEN: 3N4/8/4pp1K/1P2pp2/3pk3/1P6/2P3P1/1BQ5
Input: Felber, Volker, 2015-04-25
Last update: Alfred Pfeiffer, 2015-04-27 more...

8 - P1301970
Hans Cohn
1970 Arbeiter-Schachzeitung (Chemnitz) 2, p. 32, 02/1924
Deutscher Arbeiter-Schachbund 1924

(6+9) C+
#3

1. Tb1! cxd6 2. Dxd6
1. ... c5 2. Lxc5
1. ... c6 2. Lb4
1. ... Lc3,Lc1 2. Dxc7
1. ... Lb4 2. Dg8
1. ... b4 2. Dd7,De8+ (Dual)
play all

Motto 'Weg die Fesseln'
more ...
comment

Genre: 3#
Computer test: Popeye 4.61
FEN: 3Q4/2p5/3B4/pp6/k7/4p3/Kp1bPp2/3RbQ2
Input: Felber, Volker, 2015-04-26
Last update: Alfred Pfeiffer, 2015-04-27 more...

9 - P1306621
Hans Cohn
Morgenzeitung 1928
Ehrende Erwähnung

(2+3)
Remis

1. Kf2 b4 2. Ke2 b3 3. Kd1! b2 4. Txe4+ Kxe4 5. Kc2
3. ... Dxe3 patt
3. Kd2? Dxe3+ 4. Kxe3 b2
2. Txe4+? Kxe4 3. Ke2 Kd4 4. Kd2 b3! 5. Kd1 Kd3! 6. Kc1 Kc3 7. Kb1 b2
1. ... Kd4 2. Txe4+ Kxe4 3. Ke2
play all

Urdruckinfos laut YACPDB (id=294353): "Cohn, Hans; Morgenzeitung 1928; Honorable Mention"; auch 'Atputa' nennt diese Quelle: "uzslaveta Morgenzeitung 1928"

'Atputa' 11.01.1929: "Diezgan patikama galotne-miniatura, kuru tomer vareja vel labak; izveidot, piem.: w: Kh1 Td3 -- s: Kg5 Dg4 Bd5 (8/8/8/3p2k1/6q1/3R4/8/7K), Remis. AL: 1. Tg3 Dxg3 patt 1. ... d4 2. Kg2"

Offensichtlich die Cohnsche Aufgabe Mattison (Leiter der Schachspalte von 'Atputa') zu seiner P1277369 inspiriert ...
comment

Keywords: Stalemate defense
Genre: Studies
FEN: 8/8/8/1p2k3/4q3/4R1K1/8/8
Reprints: 83 Atputa 213 30/11/1928
16 Droit et Liberté 03/03/1950
Input: Mario Richter, 2015-07-30
Last update: Rainer Staudte, 2020-01-11 more...

10 - P1328979
Hans Cohn
34 Reutlinger Generalanzeiger 26/10/1929

(4+3) C+
#4

1. Td7,Te7? Ld3!

1. Tg8 (Zugzwang) Lf5,L~ 2. Tg5 Lg6 3. Th5+ Lxh5 4. g5#
2. ... Lxg4 3. Txg4 Kh5 4. Th4#
play all

im 'RGA' explizit als "Urdruck" deklariert; zum Autor heißt es dort: "H. Cohn (Guatemala)"
Rainer Staudte: Der Breslauer Schachmeister Hans Cohn emigrierte 1929 nach Guatemala vgl. https://fr.wikipedia.org/wiki/Hans_Cohn (2017-01-01)
more ...
comment

Genre: n#
Computer test: H. Juel: Popeye 4.61
FEN: 8/6Rp/5Kbk/8/6P1/6P1/8/8
Input: Mario Richter, 2016-12-29
Last update: Olaf Jenkner, 2016-12-29 more...

11 - P1329191
Hans Cohn
85 Maestros Latinoamericanos 1940

(4+4)
Gewinn

1. Le3? axb5 2. La7 b4
1. Lf4? e5! 2. b6 exf4 3. b7+ Kb8 4. Kb6 f3 5. Kxa6 f2 6. Kb6 f1=D
2. Lxe5 fxe5
1. ... axb5? 2. a6 e5 3. a7
1. b6? fxg5 2. b7+ Kb8 3. Kb6 g4 4. Kxa6 g3 5. Kb6 g2 6. a6 g1=D+

1. Lxf6! exf6 2. b6 f5 3. b7+ Kb8 4. Kb6 f4 5. Kxa6 f3 6. Kb6 f2 7. a6 f1=D 8. a7#
3. Kd5? Kb7
1. ... axb5 2. Le5
play all

comment

Genre: Studies
FEN: 2k5/4p3/p1K2p2/PP4B1/8/8/8/8
Input: Rainer Staudte, 2017-01-03
Last update: Alfred Pfeiffer, 2017-01-03 more...

12 - P1362917
Hans Cohn
109 Maestros Latinoamericanos 1940

(3+4)
Gewinn

1. Kb6+ Kg1 2. Lg3 h2 3. Lb7! Kf1 4. La6+ Kg1 5. Kb5 Kf1 6. Kb4+ Kg1 7. Kc4 Kf1 8. Kd4+ Kg1 9. Kd3 Kf1 10. Ke3+ Kg1 11. Lf2#
6. Kc5+ Kg1 7. Kc4 Kf1 8. Kc3+
2. ... Kf1 3. Lc4+ Kg1 4. La6!
play all

comment

Keywords: Indian
Genre: Studies
FEN: 1B6/2K5/8/3B4/8/7p/6pk/7b
Input: Rainer Staudte, 2019-03-31
Last update: Rainer Staudte, 2019-03-31 more...

13 - P1362918
Hans Cohn
368 64 05/05/1929

(3+2)
Gewinn

1. f8=D? Dg4+ 2. Kf2 De2+ 3. Kg3 Dg4+ 4. Kxg4 patt
1. De7? Dg6+ 2. Kf4 Df6+ 3. Dxf6 patt

1. f8=S+! Kg8 2. Se6 Df7 3. Dd8+ Kh7 4. Sg5+ Kg7 5. Sxf7
play all

comment

Keywords: under-promotion key (S), Stalemate avoidance
Genre: Studies
FEN: 8/5P1k/5Q2/7q/8/6K1/8/8
Reprints: Neue Zeit (Linz) 05/12/1946
Input: Rainer Staudte, 2019-03-31
Last update: Mario Richter, 2020-12-18 more...

14 - P1362919
Hans Cohn
124 Maestros Latinoamericanos 1940

(6+6)
Gewinn

1. exf4+? Kxf4 2. Lxe6 dxc3
1. cxd4+? Kd5 2. Sc7+ Ke4! 3. Sxe6 Txg4 4. Sxf4 Tg1+ 5. Kb2 Td1
3. Lxe6 fxe3

1. exd4+ Kd5 2. Lf3+ Kc4 3. Sd6+ Kb3 4. Ld1+ Ka3 5. d5! Lxd5 6. Sb5#
5. ... Txd5 6. Sc4#

2. Sf6+? Kd6 3. Se4+ Kd5! 4. Lf3 Tg1+ 5. Kb2 Lf5 2. Sc7+? Kd6
1. ... Ke4 2. Sf6#
play all

comment

Keywords: Nowotny
Genre: Studies
FEN: 4N3/8/4b3/4k1r1/3p1pB1/2PpP3/3P4/K7
Input: Rainer Staudte, 2019-03-31
Last update: Rainer Staudte, 2019-03-31 more...

15 - P1362920
Hans Cohn
Augsburger Neueste Nachrichten 1928

(3+6)
Gewinn

1. Dd1+! Lxd1 2. Sxd3+ Kb1 3. Kd2 La4 4. Sf4! Lb5 5. Sd5 Lc4 6. Sc3#

4. Sf2? Lc2 5. Sg4 La4 6. Se3 Lb3 7. Sf5 Lc4 8. Sd4 Ld3 9. Se6 Lb5 10. Sc5 Lc6 11. Sd3 Ld5 12. Sb4 Lb3
3. ... Lb3 4. Sb4!
play all

Eine andere Sekundärquelle nennt "Berliner Turnier, 1920"

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comment

Genre: Studies
FEN: 8/8/8/8/8/1QKp4/pp2bN2/b1k5
Input: Rainer Staudte, 2019-03-31
Last update: Rainer Staudte, 2019-04-05 more...

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The problems of this query have been registered by the following contributors:

Zuncke/Bruder (2)
Felber, Volker (5)
Gunter Jordan (1)
Mario Richter (2)
Rainer Staudte (5)