Die Schwalbe

21 problem(s) found in 3159 milliseconds (displaying 21 problem(s)). [COMMENTDATE>=20200919 AND NOT K='Hilfsrückzüger' AND G='2#' AND A='Oppenheimer, Otto'] [download as LaTeX]

1 - P1301900
Otto Oppenheimer
156 Al Hamishmar 07/08/1947
P1301900
(6+3)
#2
1. Lc1
play all play one stop play next play all
SCHRECKE: C+, popeye 4.87
1. Lc1! droht 2. Lb2#
1. ... Sd5 2. Sc6# (2023-08-30)
comment

Genre: 2#
FEN: 8/2n1N3/8/1p3P2/3kNB2/5K2/4B3/8
Input: Mario Richter, 2015-04-23
Last update: Mario Richter, 2015-04-23 more...
2 - P1380996
Otto Oppenheimer
8 Aufbau (New York) 18/06/1943
P1380996
(5+2) C+
#2
1. Dg7! (Zugzwang)
1. ... Kd4 2. Dxf6#
1. ... Kxf4 2. Dg3#
1. ... Kxd6 2. Dc7#
play all play one stop play next play all
more ...
comment
Keywords: Symmetrical position, Symmetrical solution, Aristocrat
Genre: 2#
Computer test: popeye 4.85
FEN: 7Q/8/3N1r2/4k3/5N2/2R5/8/K7
Input: Mario Richter, 2020-10-16
Last update: Alfred Pfeiffer, 2020-10-16 more...
3 - P1381022
Otto Oppenheimer
23 Aufbau (New York) 01/10/1943
P1381022
(12+7)
#2
1. Sd4! droht 2. Sf3#
1. ... Kxd4 2. c6#
1. ... Dc6 2. Sxc6#
1. ... Dxg4 2. Sg6#
1. ... Dxd4,Dd5,Db7 2. Sg6#
1. ... Ld5 2. Sg6#
1. ... Txd3 2. Sxd3#,Sg6#
play all play one stop play next play all
Henrik Juel: Slightly damaged by one dual (2020-10-17)
comment

Genre: 2#
FEN: 3Rn1bK/3qp3/1B6/1RP1k1P1/5NQ1/1r1P2n1/BP2N3/8
Input: Mario Richter, 2020-10-17
Last update: Mario Richter, 2020-10-17 more...
4 - P1381023
Otto Oppenheimer
24 Aufbau (New York) 08/10/1943
P1381023
(9+5) C+
#2
1. De1! (Zugzwang)
1. ... Lxe1,Lb4,Lc3 2. Lg5#
1. ... Lxc1,Lh6,Lf4,Le3 2. Dxa5#
1. ... Lg5 2. Dxa5#,Lxg5#
play all play one stop play next play all
Henrik Juel: C+ Popeye 4.61 (except for a minor dual) (2020-10-17)
comment

Genre: 2#
Computer test: Popeye 4.61
FEN: 3k4/3P4/3K2P1/p1p1p3/P1P1P2P/8/3bQ3/2B5
Input: Mario Richter, 2020-10-17
Last update: Alfred Pfeiffer, 2020-10-17 more...
5 - P1381024
Otto Oppenheimer
25 Aufbau (New York) 29/10/1943
P1381024
(11+9)
#2
1. e5! droht 2. Dxd5#
1. ... Dxh1,Df3 2. Lxd4#
1. ... Txf2 2. b4#
1. ... bxc4 2. Sa4#
1. ... dxc4+ 2. Sd7#
1. ... e6 2. Tc7#
1. ... Le4,Lf7 2. Tc6#,Sd7#
play all play one stop play next play all
Henrik Juel: Slightly damaged by a dual (2020-10-17)
comment

Genre: 2#
FEN: 3KBb2/4p1R1/1N4bR/1pkp4/2NrP3/1PP5/1r3B2/3q3Q
Input: Mario Richter, 2020-10-17
Last update: Mario Richter, 2020-10-17 more...
6 - P1381026
Otto Oppenheimer
27 Aufbau (New York) 12/11/1943
P1381026
(8+7)
#2
1. Lc7! (Zugzwang)
1. ... Lxc7,Ld4 2. Dd4#,Dxd4#
1. ... Lg1 2. Dh1#
1. ... La7 2. Da8#
1. ... Lf2 2. Sxf2#
1. ... Le3 2. Sg3#
1. ... Lc5 2. Sxc5#
1. ... g3 2. Dh4#
1. ... Sd1 2. Dh1#
1. ... Sxd3 2. cxd3#
1. ... Se5+ 2. Dxe5#
1. ... Sa4 2. Da8#
1. ... Sd2,Sd6,Sa5 2. De5#
1. ... Sa3 2. De5#,Da8#
1. ... Se3 2. De5#,Sg3#,Sf2#
1. ... La5 2. Dd4#,Da8#,Sf2#,Sc5#
1. ... Da7,Da6,Da5,Da4,Da3,Da2 2. Dh1#
1. ... Da1-g1,Df1,De1,Dd1,Dc1,Db1 2. Da8#
1. ... Dh1 2. Dxh1#,Da8#
1. ... Da8 2. Dh1#,Dxa8#
play all play one stop play next play all
Henrik Juel: Damaged by duals (2020-10-17)
comment

Genre: 2#
FEN: 7Q/4p3/1b2B1K1/5N2/2n1k1p1/3N2B1/1nP1P3/q7
Input: Mario Richter, 2020-10-17
Last update: Mario Richter, 2020-10-17 more...
7 - P1381027
Otto Oppenheimer
28 Aufbau (New York) 26/11/1943
P1381027
(8+10)
#2
1. Dc6! droht 2. Lxb1#,Lc2#,Ld3#,Le4#,Lf5#,Lh5#,Lxh7#,Lxf7# sowie 2. Se4#
1. ... Lxc6+ 2. Le4#
1. ... Da4 2. Le4#
1. ... Sxc3,Sd2+,Sa3+ 2. Lb1#
1. ... h2 2. Lxb1#,Lc2#,Ld3#,Le4#,Lf5#,Lh5#,Lxh7#,Lxf7#
1. ... Tb4 2. Le4#
1. ... Txc6,Tb8 2. Se4#
1. ... Txe5 2. Lf5#
1. ... Te6,Te8 2. Se4#
1. ... f5 2. Lf7#
1. ... fxg6 2. Se4#
1. ... hxg6 2. Se4#
play all play one stop play next play all
Henrik Juel: Damaged by duals (2020-10-17)
comment

Genre: 2#
FEN: b5R1/4rp1p/1r4B1/4N3/4Q2p/2P1B1kp/5N2/qn5K
Input: Mario Richter, 2020-10-17
Last update: Mario Richter, 2020-10-17 more...
8 - P1381028
Otto Oppenheimer
29 Aufbau (New York) 10/12/1943
P1381028
(10+10)
#2
1. Kh2! droht 2. Txd5#
1. ... Txa5 2. Dc4#
1. ... Sb4 2. Dc4#
1. ... Sc3 2. De3#
1. ... Se3 2. fxe3#
1. ... Sdf4 2. Sec6#
1. ... Sdf6 2. Sac6#
1. ... Se7 2. Dc5#
1. ... Sc7 2. Sec6#
1. ... Sb6 2. Sb5#
1. ... Shf4 2. Sec6#
1. ... Shf6 2. Sac6#
1. ... Td6 2. Sc6#,Dc5#
1. ... Dxe5+ 2. Lxe5#
1. ... Dd6 2. Sb5#
1. ... Db5 2. Sxb5#,Sc6#
1. ... Db7 2. Sc6#
1. ... Da8,Dd8 2. Sb5#,Sc6#
1. ... Lc5 2. Dxc5#
play all play one stop play next play all
schwarzes Springerrad
Henrik Juel: Slightly damaged by duals (2020-10-17)
comment
Keywords: Knight's wheel (s)
Genre: 2#
FEN: 1q3b1B/N7/7r/R2nNR1n/r2k3P/pp1p4/5PK1/2Q4B
Input: Mario Richter, 2020-10-17
Last update: Alfred Pfeiffer, 2020-10-17 more...
9 - P1381029
Otto Oppenheimer
30 Aufbau (New York) 24/12/1943
P1381029
(7+8) C+
#2
1. Dc2! droht 2. Dc7#
1. ... Txc2 2. Te8#
1. ... Lxc2 2. Sc6#
1. ... Lc6 2. Sxc6#
1. ... Sb5,Sc4 2. Te8#
1. ... Se8 2. Txe8#
1. ... Kxe7 2. Lxg5#
1. ... Sd7+ 2. Txd7#
1. ... Se6 2. Td7#
play all play one stop play next play all
more ...
comment

Genre: 2#
Computer test: popeye 4.85
FEN: 1K1k1n1b/p3R1N1/3n4/4N1q1/4b2B/1Q6/3r4/3R4
Input: Mario Richter, 2020-10-17
Last update: Alfred Pfeiffer, 2020-10-17 more...
10 - P1381031
Otto Oppenheimer
32 Aufbau (New York) 21/01/1944
P1381031
(11+10)
#2
1. Df2! droht 2. Dxf5#
1. ... Lg4,Lf3 2. Sd3#
1. ... Ld3+ 2. Sxd3#
1. ... Dxb2+ 2. Lxb2#
1. ... Dxf2 2. Sd3#
1. ... Dxc5 2. Sc4#
1. ... Dd1+ 2. Sxd1#
1. ... Dd3+ 2. Sxd3#
1. ... Dxe4+ 2. Sd3#
1. ... f4 2. Dxd4#
1. ... fxe4 2. Sxf7#
1. ... Sxd6 2. Te7#
1. ... Sxc5 2. Sxf7#
1. ... fxg6 2. Te6#
1. ... Dxd6,Dd5 2. Sd3#,Sc4#
play all play one stop play next play all
Henrik Juel: Slightly damaged by a dual (2020-10-17)
comment

Genre: 2#
FEN: Bb6/Rn3pp1/1n1R1pP1/2P1kpN1/3qP3/8/1N2b3/BK2Q3
Input: Mario Richter, 2020-10-17
Last update: Mario Richter, 2020-10-17 more...
11 - P1381032
Otto Oppenheimer
33 Aufbau (New York) 04/02/1944
P1381032
(11+11) C+
#2
1. Kf6! droht 2. Sf4#
1. ... Sxg2 2. g6#
1. ... Sg6 2. fxe4#
1. ... Txa5 2. Lxe6#
1. ... De3 2. Sxe3#
1. ... Dd4+ 2. Txd4#
1. ... c5 2. Se3#
1. ... c6 2. Lxe6#
1. ... Lxg8 2. fxe4#
play all play one stop play next play all
more ...
comment

Genre: 2#
Computer test: popeye 4.85
FEN: 1b3BBQ/q1p2K1b/r3n2p/Np1k2PR/2R1p2n/2P2P2/6N1/8
Input: Mario Richter, 2020-10-17
Last update: Alfred Pfeiffer, 2020-10-17 more...
12 - P1381033
Otto Oppenheimer
34 Aufbau (New York) 18/02/1944
P1381033
(8+11)
#2
1. Lxf4! droht 2. Lc1#,Ld2#,Lg3#,Lb8#,Lc7#,Ld6#,Le5#
1. ... Dxa3,Db3,Dd3 2. Le5#
1. ... De3 2. Dxe3#
1. ... Kf2 2. Lg3#
1. ... bxa3,b3 2. Le5#
1. ... Txg5+ 2. Lxg5#
1. ... Txa3,Ta5 2. Le5#
1. ... Ta6 2. Ld6#
1. ... b6+,b5+ 2. Lc7#
1. ... c1=D,c1=L 2. Lxc1#,Ld2#
play all play one stop play next play all
Henrik Juel: Damaged by duals (2020-10-17)
comment

Genre: 2#
FEN: 8/rpB3K1/5R1p/6Pr/1p3p1p/Q1q2k1B/2p4P/b3R3
Input: Mario Richter, 2020-10-17
Last update: Mario Richter, 2020-10-17 more...
13 - P1381035
Otto Oppenheimer
36 Aufbau (New York) 17/03/1944
P1381035
(7+7) C+
#2
1. Se5! droht 2. Dd5#
1. ... e2 2. Dc3#
1. ... Lxc4,Lc6 2. Sc6#,Sxc6#
1. ... De4,Dd7,De6 2. Dxe4#,De4#
1. ... Dxf3 2. Sxf3#
1. ... Dxe5 2. Dd1#
1. ... Td6 2. Sc6#
play all play one stop play next play all
more ...
comment

Genre: 2#
Computer test: popeye 4.85
FEN: 7B/5n2/5r2/1b3q2/1KPk3b/3NpQP1/2B5/8
Input: Mario Richter, 2020-10-17
Last update: Alfred Pfeiffer, 2020-10-19 more...
14 - P1381038
Otto Oppenheimer
39 Aufbau (New York) 28/04/1944
P1381038
(6+9) C+
#2
1. De1! droht 2. De4#
1. ... Te2 2. Sxh6#
1. ... d2 2. Dxb1#
1. ... Lxe1 2. Tf4#
1. ... Sc5,Sd6 2. Sd6#,Sxd6#
play all play one stop play next play all
more ...
comment

Genre: 2#
Computer test: popeye 4.85
FEN: 8/1n1p1N2/7n/3KNkB1/1Qp3R1/3p2b1/7r/1b6
Input: Mario Richter, 2020-10-17
Last update: Alfred Pfeiffer, 2020-10-19 more...
15 - P1381039
Otto Oppenheimer
40 Aufbau (New York) 12/05/1944
P1381039
(9+11) C+
#2
1. Se7! droht 2. Sc6#
1. ... Txc4 2. Lc3#
1. ... e3 2. Df4#
1. ... Se5 2. e3#
1. ... Lxd5,Lxf7 2. Sf5#
1. ... Lf5 2. Sxf5#
1. ... Se5 2. Lc5#
play all play one stop play next play all
more ...
comment

Genre: 2#
Computer test: popeye 4.85
FEN: 1b2R2q/2pn1Q2/4b1Nr/1K1N4/RBBkp1n1/6p1/2r1P3/8
Input: Mario Richter, 2020-10-17
Last update: Alfred Pfeiffer, 2020-10-17 more...
16 - P1381044
Otto Oppenheimer
45 Aufbau (New York) 21/07/1944
P1381044
(8+6) C+
#2
1. Sc4! droht 2. Te5#
1. ... Lxe4 2. Dd7#
1. ... Sxe3 2. Sxe3#
1. ... Sb4,Sd5~ 2. Tf4#
1. ... Kxe4 2. Dc2#
1. ... Th7+ 2. Lxh7#
1. ... Ld6,Lf6 2. Sxd6#,Sd6#
play all play one stop play next play all
more ...
comment

Genre: 2#
Computer test: Popeye 4.61
FEN: 6B1/4bK2/8/r2nNk1r/Q3R2P/4Pb1P/8/8
Input: Mario Richter, 2020-10-17
Last update: Alfred Pfeiffer, 2020-10-17 more...
17 - P1381045
Otto Oppenheimer
46 Aufbau (New York) 04/08/1944
P1381045
(9+9) cooked
#2
1. De1 droht 2. Dc3#,Dxe4#
1. ... Sxg5 2. Dc3#
1. ... Sxa5+,Sxc5+,Sd8+ 2. Dxe4#
1. ... bxc2 2. Dc3#,Da1#
1. ... f3 2. Dg3#,Dxe4#
play all play one stop play next play all
Cook: Co-NL
unlösbar wegen 1. De1? d5!
Stellung so wie im Diagramm, in der Kontrollnotation fehlt der sBd6, aber auch dann keine Lösung wegen 1. De1? Sd6+!
milan: +sBd7wBg4 M.Frelih (2020-12-15)
Hans-Jürgen Manthey: Was halten Sie von folgender Änderung:

+sBh7, +wBa4, +wBg4 sowie sBa3c3, wBg2f2 und wDh1g1
mit der Lösung:
1. De1! [2. Dxe4, Dxc3#]
1... Sbd8+/xa5+/xc5+, f3 2. Dxe4#
1... Sxg5, bxc2 2. Dxc3#
1... d5 2. Sc6# (2020-12-18)
Hans-Jürgen Manthey: es soll heißen a3 nach c3, g2 nach f2 und h1 nach g1 (2020-12-18)
comment
Keywords: no solution
Genre: 2#
FEN: K1N5/1n2Nn2/3pp3/R1B1k1P1/4bp2/pp6/2B3P1/7Q
Input: Mario Richter, 2020-10-17
Last update: Alfred Pfeiffer, 2020-10-17 more...
18 - P1381047
Otto Oppenheimer
48 Aufbau (New York) 01/09/1944
P1381047
(8+4)
#2
1. Te8! (Zugzwang)
1. ... Kxe6 2. Txe7#
1. ... Sg8 2. Lxg8#
1. ... Sc8 2. Lxc8#
1. ... Sd5 2. Lxd5#,exd5#
1. ... Sf5 2. Lxf5#,exf5#
play all play one stop play next play all
Henrik Juel: ... and damaged by the duals after 1... Sd5,Sf5 (2020-11-10)
Olaf Jenkner: Is ist really damaged when black playes a particularly bad move? (2020-11-10)
SCHRECKE: Warum sollten 1. ... Sd5,Sf5 schlechter sein als 1. ... Sc8,Sg8? (2020-11-11)
more ...
comment

Genre: 2#
FEN: 5R2/4n3/2p1B1p1/2B1k1K1/4P3/8/2P3P1/4R3
Input: Mario Richter, 2020-10-17
Last update: Olaf Jenkner, 2020-11-10 more...
19 - P1381048
Otto Oppenheimer
49 Aufbau (New York) 15/09/1944
P1381048
(8+9) C+
#2
1. Le6! droht 2. Dg7#
1. ... fxg2 2. Se2#
1. ... Sg5 2. Df2#
1. ... Lg6 2. Sxf3#
1. ... Sf5,Sf7,Se8 2. Sb5#
1. ... Dxe6,Dh8,Dg8,Df8 2. Lxc5#
play all play one stop play next play all
more ...
comment

Genre: 2#
Computer test: popeye 4.85
FEN: 2q5/B3p3/3n4/2b5/1PpkbPB1/2N2p1n/3K2Q1/4N3
Input: Mario Richter, 2020-10-17
Last update: Alfred Pfeiffer, 2020-10-17 more...
20 - P1381049
Otto Oppenheimer
50 Aufbau (New York) 29/09/1944
P1381049
(9+8) C+
#2
1. Tf1! droht 2. Tg1#
1. ... Sxe2,Sf3 2. Dxf4#
1. ... Txe2,Te3 2. Dxg8#
play all play one stop play next play all
more ...
comment

Genre: 2#
Computer test: popeye 4.85
FEN: 5Bb1/8/4rP1R/5p2/2Qn1pk1/p2N1R2/Kn2P3/3B4
Input: Mario Richter, 2020-10-17
Last update: Alfred Pfeiffer, 2020-10-17 more...
21 - P1381052
Otto Oppenheimer
53 Aufbau (New York) 10/11/1944
Herrn Jacob Bamberger, Newark, N.J., gewidmet
P1381052
(12+7)
#2
1. Sc6! (Zugzwang)
1. ... Sxd4 2. T5xf4#
1. ... Sxg3,Sc1,Sg1,Sc3 2. T5xf4#,T3xf4#
1. ... Kxf3 2. Ld5#
1. ... Kxf5 2. Ld3#
1. ... Sd3,Sf4~ 2. Ld5#
1. ... gxf3 2. Te5#
1. ... Lxc6,Lxc4,La4,La6 2. Te3#
1. ... gxf5 2. Te3#
play all play one stop play next play all
vollständiger Widmungstext: "Problem No. 53 wurde vom Autor unserem regelmässigen Löser und vermutlich Nestor unserer Schachfreunde, dem 83jährigen Herrn Jacob Bamberger, Newark, N.J., gewidmet."
Henrik Juel: Damaged by a dual (2020-10-17)
comment

Genre: 2#
FEN: 3N3K/B1p5/6p1/Qb3RP1/2BNknpP/5RP1/4n2P/8
Input: Mario Richter, 2020-10-17
Last update: Mario Richter, 2020-10-17 more...
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The problems of this query have been registered by the following contributors:

Mario Richter (21)