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15 problem(s) found in 7632 milliseconds (displaying 15 problem(s)). [COMMENTDATE>=20220810 AND NOT K='Rochade' AND A='Jonsson, Christer'] [download as LaTeX]

1 - P0503880
Christer Jonsson
14139v Tidskrift för Schack 02/1982
P0503880
(4+5) cooked
h#4
0.2.1...
1) 1. ... Txb8 2. Kc5 Txe8 3. Lc3 Te5+ 4. Kb4 Tb5#
2) 1. ... Te5 2. Dd6 Txe8 3. Kc5 Tb8 4. Ld4 Tb5#

NL:
1. ... Tb6 2. Kc3 Sb5+ 3. Kb4 Sd6+ 4. Ka5 Sc4#
play all play one stop play next play all
Yuri Bilokin: correction +bNd2 1q2b2b/N7/8/1R6/3k4/pP6/3n4/7K (4+6)

AntiZielElement (W1, line obstruction)
Areal cycle (wR, with captures, 4) × 2
Exchange of moves (W1/W3)
JT Onkoud 50 theme
Long-trip (wR, 4) × 2. Many-ways (wR, 2) × 4
Zalokotsky theme (wR/wR, 3)
Model mate × 2.Mates on the same square × 2 (2023-05-08)
comment
Keywords: Pure Round Trip
Genre: h#
FEN: 1q2b2b/N7/8/1R6/3k4/pP6/8/7K
Input: Hans-Jürgen Schäfer, 1996-09-23
Last update: hpr, 1999-06-20 more...
2 - P0571446
Christer Jonsson
13540 Tidskrift för Schack 09/1977
P0571446
(4+3) C+
h#2
3.1...
1) 1. f1=S Tg2 2. Sh2 Tg1#
2) 1. f1=T+ Lf4 2. Tg1 Th2#
3) 1. f1=L c8=D 2. La6 Dc6#
play all play one stop play next play all
Yuri Bilokin: yoy can see 1...c8=Q 2.f1=S Qc6#
1...c8=Q 2.f1=S Qb7#
1...c8=Q 2.f1=S Qa8#
1...c8=B 2.f1=S Bb7# (2024-02-29)
comment

Genre: h#
Computer test: (Popeye C-Version 3.47 (1024 KB))
FEN: 5K2/2P5/4p3/8/8/4B3/R4p2/7k
Input: Franz Pachl, 1999-03-29
Last update: Franz Pachl, 1999-04-01 more...
3 - P1014704
Christer Jonsson
Springaren 03/1988
P1014704
(3+4)
s#2
1. Dd7? Sg8!
1. Dc8? Sf7!
1. Dc4? Sf5!
1. Dh7? Sxg4!
1. Df4! Sxg4 2. Dxg4 b2#
1. ... Sf5 2. Dxf5 b2#
1. ... Sf7 2. Dxf7 b2#
1. ... Sg8 2. Txg8 b2#
play all play one stop play next play all
0839
SCHRECKE: C+, popeye 4.89 (2023-10-18)
comment

Genre: s#
FEN: 8/2Q5/7n/8/6R1/kp6/p7/K7
Reprints: 213 Selbstmatt-Miniaturen Reflexmatt-Miniaturen 2003
Input: Selbstmatt-Miniaturen/Reflexmatt-Miniaturen, 2004-05-01
Last update: Frank Müller, 2011-10-29 more...
4 - P1137394
Christer Jonsson
439 Deutsche Schachblätter , p. 47, 02/1965
P1137394
(3+3)
#5
1. Ta2
play all play one stop play next play all
G7TL mm
Rosalie Fay: 1. Ta2 zz Lb6 2. Txh2+ Kg1 3. Tb2 Kh1 4. Txb6 ~ 5. Tb1#
1. ... Lc5 2. Txh2+ Kg1 3. Tc2 Kh1 4. Txc5 ~ 5. Tc1#; 3. ... Le3 4. Ta1+ Lc1 5. Txc1#
1. ... Ld4 2. Txh2+ Kg1 3. Td2 (droht 4. Td1#) Kh1 4. Txd4 ~ 5. Td1#; 3. ... Lc3 4. Td1+ Le1 5. Txe1#
1. ... Le3 2. Txh2+ Kg1 3. Te2 (droht 4. Te1#) Kh1 4. Txe3 ~ 5. Te1#; 3. ... Kf1 4. Txe3 zz Kg1 5. Te1#
1. ... Lf2 2. Txf2 Kg1 3. Txh2 Kf1 4. Tg8 Ke1 5. Tg1#
Alleinunterhalter (T)
C+ Popeye Windows-64Bit v4.69 (2023-12-21)
Rosalie Fay: 1. Ta2 zz Lb6 2. Thxh2+ Kg1 3. Thb2 Kh1 4. Txb6 ~ 5. Tb1#
1. ... Lc5 2. Thxh2+ Kg1 3. Thc2 Kh1 4. Txc5 ~ 5. Tc1#; 3. ... Le3 4. Ta1+ Lc1 5. Txc1#
1. ... Ld4 2. Thxh2+ Kg1 3. Thd2 (droht 4. Td1#) Kh1 4. Txd4 ~ 5. Td1#; 3. ... Lc3 4. Td1+ Le1 5. Txe1#
1. ... Le3 2. Thxh2+ Kg1 3. The2 (droht 4. Te1#) Kh1 4. Txe3 ~ 5. Te1#; 3. ... Kf1 4. Txe3 zz Kg1 5. Te1#
1. ... Lf2 2. Txf2 Kg1 3. Tfxh2 Kf1 4. Tg8 Ke1 5. Tg1#
Alleinunterhalter (T)
C+ Popeye Windows-64Bit v4.69 (2023-12-21)
comment
Keywords: Miniature Collection (0074414)
Genre: n#
FEN: 2K4R/8/8/8/8/8/4R2n/6bk
Input: Felber, Volker, 2010-09-11
Last update: Felber, Volker, 2010-09-11 more...
5 - P1261981
Rolf Wiehagen
Christer Jonsson

7998 Problemkiste (204) 12/2012
P1261981
(3+8) C+
h#4
0.1...
b) sBa6 nach b5
a) 1. ... Lxa6 2. Kxc5 Lxb7 3. Kb5 Ld5 4. Ka6 Lc4#
b) 1. ... Sxa4 2. Kxc4 Sxb6+ 3. Kb3 Sd7 4. Ka4 Sc5#
play all play one stop play next play all
Kniest L/S, Rundlauf L/S und Zilahi L/S ohne zusätzliches weißes Material, also nur KLS.
Meines Wissens neu, wie auch P1261980. (Autor RW)
Jakob Leck: Vgl. P1258546 (2023-12-30)
comment
Keywords: Kniest Theme, Pure Round Trip (S,L), Zilahi
Genre: h#
Computer test: %Popeye FreeBSD-9.0-RELEASE-i386-32Bit v4.59
FEN: K7/1p6/pb6/p1N5/pnBk4/r7/8/8
Reprints: 8044 Problemkiste 205 05/2013
Springaren 128, p. 100, 06/2013
Input: Erich Bartel, 2013-02-07
Last update: hpr, 2013-07-13 more...
6 - P1274178
Christer Jonsson
11519 Springaren , p. 25, 03/2009
P1274178
(3+8)
h#5
1. e2 Lf4 2. Td3 Lxe5+ 3. Ke3 Lg3 4. Le5 Lh2 5. Lf4 Lg1#
play all play one stop play next play all
SCHRECKE: C+, Gustav 4.2a, Brute Force (2022-08-10)
comment

Genre: h#
FEN: K6b/2q5/8/4p3/3kp3/4p2r/3p2PB/8
Input: Felber, Volker, 2013-07-11
Last update: Felber, Volker, 2013-07-11 more...
7 - P1298537
Christer Jonsson
2276 Thema Danicum 30 04/1983
P1298537
(4+4) cooked
h#2
2.1... + 1.2.1.1
Circe
1) 1. b3 Tb4 2. Tc8 dxc8=L[+sTa8]#
2) 1. Kb7 d8=S+ 2. Ka8 Tc8#
3) 1. Kb7 Tc7+ 2. Ka8 d8=T#
4) 1. Kb5 Tc3 2. Ka4 dxe8=D[+sTa8]#
play all play one stop play next play all
Cook: NL 1. Kb5 d8=D 2. Kxc4[+wTh1] Dd3#
Adrian Storisteanu: Possible fix: +bPd2 (4+5). Also works: +wPd2 (5+4). (2015-10-30)
HBae: more economical wKh3 nach d4, C+ Popeye v4.79 (2023-01-23)
comment
Keywords: Circe
Genre: Fairies
Computer test: Popeye Windows-32Bit v4.51 (100000 KB)
FEN: 4r3/3P4/kB6/7b/1pR5/7K/8/8
Input: hpr, 2015-02-19
Last update: HBae, 2016-03-19 more...
8 - P1299254
Christer Jonsson
4944 Springaren 1964
P1299254
(5+8) C+
s#2
1. ... Dxc4 2. Se2+ Dxe2#
1. Tc3 bxc3 2. Dxc2+ Kxc2#
1. ... Dxc3 2. Lxd2+ Dxd2#
1. ... Ta1 2. Dxb2+ Kxb2#
1. ... f4 2. Se2+ Txe2#
play all play one stop play next play all
more ...
comment

Genre: s#
Computer test: SCHRECKE: popeye 4.89
FEN: 8/8/7B/5p2/1pR5/1Q6/1pqr2p1/1rk1K1N1
Input: Frank Müller, 2015-03-15
Last update: Dieter Berlin, 2023-11-29 more...
9 - P1355736
Christer Jonsson
Rolf Wiehagen
Norbert Geissler

18757v Schach , p. 79, 08/2018
P1355736
(2+15)
h#2
b) sKa7
c) sKb4
d) sKf2
a) 1. Kh5 Sxf5 (Sxe8?) 2. Lg6 Sg7#
b) 1. Ka6 Sxe8 (Sxb5?) 2. Sa7 Sc7#
c) 1. Ka4 Sxb5 (Sxe4?) 2. Tb4 Sc3#
d) 1. Kf1 Sxe4 (Sxf5?) 2. Tf2 Sg3#
play all play one stop play next play all
4-fache zyklische Dualvermeidung, mit Züge-Zyklus W1/W1-Versuch. [Autoren]
Minimal -Version von P1351808.
SCHRECKE: a)-d): C+, popeye 4.87 (2022-10-15)
comment
Keywords: Dual avoidance, Echo, Minimal, Model mate, Selfblock, Umnov, white move cycle
Genre: h#
FEN: 4b3/1p6/1p1N2kp/pn3rp1/4r3/pp5K/3p4/4q1b1
Input: Gunter Jordan, 2018-10-01
Last update: Gunter Jordan, 2022-10-15 more...
10 - P1381459
Christer Jonsson
Vidadi Zamanov

Gravure 30/10/2020
2. Lob
Abt. h#2 8-10 Steine
P1381459
(3+7) C+
h#2
3.1...
1) 1. Sd6-b5+ Kc5-b6 2. Kd8-c8 Te6xe8#
2) 1. Le8-d7 Te6-e7 2. Ld7-c8 Se5xc6#
3) 1. Le8-f7 Kc5xc6 2. Sd6-c8 Se5xf7#
play all play one stop play next play all
PR Igor Agapow
Yuri Bilokin: redaction Yuri Bilokin
Christer Jonsson
Vidadi Zamanov
bRb1, bBf8-f4 3kb3/8/2pnR1r1/2K1N3/5b2/8/8/1r6 (3+7) h#2 4.1…
1.Sb5 Kb6 2.Kc8 Rxe8# (MM) 1.Sf7 Rd6+ 2.Ke7 Sxg6# (MM)
1.Bd7 Re7 2.Bc8 Sxc6# (MM) 1.Bf7 Kxc6 2.Sc8 Sxf7# (MM)
Active sacrifice (black, delayed). Ambush (wR). Hideaway (bB, sacrificial)
Play on the same square (B1, 2). Play on the same square (B2, 3)
Model mate × 4 (2022-12-17)
comment
Keywords: Checking key
Genre: h#
Computer test: Popeye 4.83
FEN: 3kbb2/8/2pnR1r1/2K1N3/8/8/8/1q6
Input: Marcin Banaszek, 2020-11-01
Last update: Alfred Pfeiffer, 2020-11-03 more...
11 - P1401324
Rolf Wiehagen
Jorge Marcelo Kapros
Christer Jonsson

H1326 Problem Paradise 97 01-03/2022
P1401324
(4+10) C+
h#3
b) sKg6
c) sKf1
a) 1. Dxd7 Kb3 2. Kb5 Kc3 3. Ka4 Lxd7#
b) 1. Txg4+ Kb5 (K3?) 2. h4 Se5 3. Kh5 fxg4#
c) 1. Txf3 Se5 2. Th1 Lh3+ 3. Kg1 Sxf3#
play all play one stop play next play all
Zyklischer Zilahi LSP im Thema-Minimal und Kalotay-Thema. (Autoren)
Rolf Wiehagen: Autor RW fehlt sowohl im Original in Heft 97 als auch in der Lösungsbesprechung in Heft 99.
Korrektur in Heft 98 / 04-06, p.19: "The authors of H1326 are Rolf Wiehagen, Jorge Kapros and Christer Jonsson." (2022-11-27)
comment
Keywords: Pawn mate (in b), Model mate, Capture key, Zilahi (zyklisch)
Genre: h#
FEN: 3q4/3N4/2k4p/p5bp/K5Br/p4P1r/5p2/8
Input: Gunter Jordan, 2022-05-13
Last update: Gunter Jordan, 2022-05-14 more...
12 - P1404206
Rolf Wiehagen
Christer Jonsson
Manfred Nieroba

2679V Problemskak 58, p. 12, 04-06/2022
P1404206
(3+14) C+
h#2
2.1...
1) 1. Da7+ Txa7 2. Sa6 Txh7#
2) 1. Db7+ Dxb7 2. Sc6 Dxh7#
play all play one stop play next play all
Matts auf dem gleichen Feld.

Vergleiche: P1404295
more ...
comment
Keywords: Checking key, Liniensperrung, Unpinning, pin-mate, Exchange of roles (D-T), Model mate, x pieces capture on one square, Pelle move, Critical move
Genre: h#
Computer test: C+ Popeye 4.61
FEN: Kn6/6qp/5p2/5pp1/R3Q1nk/5br1/rp2p3/6b1
Input: Gunter Jordan, 2022-09-09
Last update: A.Buchanan, 2022-09-16 more...
13 - P1407382
Christer Jonsson
H924 Problem-Forum 06/2018
1. Lob
PR Hans Gruber
P1407382
(5+11) C+
h#3
0.3.1...
1) 1. ... f7 2. Sxe3 f8=D 3. Sd5 Df1#
2) 1. ... fxg7 2. bxa6 gxh8=D 3. axb5 Dd4#
3) 1. ... fxe7 2. Kxb5 e8=S 3. Kxa6 Sc7#
play all play one stop play next play all
Der Preisbericht erschien in Gaudium 262, 07/2022.
Yuri Bilokin: more economical bBa7(-bRa7) 7n/bp2r1p1/Np3P2/pN5K/2k1p3/1p2P3/8/5n2 (5+11) (2023-01-24)
comment
Keywords: Epaulettenmatt (in 2), Model mate, Capture key (in 2+3), Selfblock (in 1+2), Promotion (D in 1+2), under-promotion (S in 3)
Genre: h#
FEN: 7n/rp2r1p1/Np3P2/pN5K/2k1p3/1p2P3/8/5n2
Reprints: Gaudium 262, p. 2, 15/07/2022
Input: Gunter Jordan, 2023-01-21
Last update: Gunter Jordan, 2023-01-21 more...
14 - P1407480
Christer Jonsson
2364 Gaudium 31/07/2022 31/07/2022
besondere ehrende Erwähnung
Abt. h#2,5-3,5
PR Manfred Rittirsch
P1407480
(3+2) C+
h#3
3.1...
1) 1. Kc4 Te3 2. Kd4 Kb5 3. Sd5 Sf5#
2) 1. Kd6 Th8 2. Kd7 Sg8 3. Kc8 Sxf6#
3) 1. Sd7+ Kb7 2. Kc5 Te5+ 3. Kd6 Sf7#
play all play one stop play next play all
Yuri Bilokin: you can see 1...Re3 2.Kd4 Kb5 3.Sd5 Sf5#
1...Kb5 2.Kd4 Re3 3.Sd5 Sf5#
1...Re4 2.Se8 Sg4 3.Sd6 Sf6#
1...Kb7 2.Sd7 Re5+ 3.Kd6 Sf7# (2023-02-02)
comment
Keywords: discovered checkmate (in 2), Aristocrat, Batteriematt horizontal (in 2), Echo, Remote selfblock (in 3), Ideal mate, Indian (in 2), Minimal (s), Selfblock (in 1), Tempo Move, Miniature
Genre: h#
Computer test: Popeye Windows-64Bit v4.85 (4096 KB)
FEN: 4R3/8/1K3n1N/3k4/8/8/8/8
Input: Gunter Jordan, 2023-01-29
Last update: Gunter Jordan, 2023-11-27 more...
15 - P1407584
Christer Jonsson
H4589 The Problemist 28-10, p. 414, 07/2022
P1407584
(6+3) C+
h#4
b) sKh2->a2
a) 1. Txe2 Se1 2. Te7 dxe7 3. Kg3 e8=D 4. Kf4 De5#
b) 1. Txc2 Ld1 2. Tc7 dxc7 3. Ka3 c8=D 4. Kb4 Dc5#
play all play one stop play next play all
more ...
comment

Genre: h#
Computer test: Popeye WINDOWS98-32Bit-Version 3.77 (8192KB)
FEN: K7/3p4/3P4/8/3P4/7P/2NrB2k/8
Input: Felber, Volker, 2023-02-01
Last update: Felber, Volker, 2023-02-01 more...
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The problems of this query have been registered by the following contributors:

Hans-Jürgen Schäfer (1)
Franz Pachl (1)
Selbstmatt-Miniaturen/Reflexmatt-Miniaturen (1)
Felber, Volker (3)
Erich Bartel (1)
hpr (1)
Frank Müller (1)
Gunter Jordan (5)
Marcin Banaszek (1)