9 problem(s) found in 2559 milliseconds (displaying 9 problem(s)). [COMMENTDATE>=20200919 AND NOT K='Hilfsrückzüger' AND K='Eckmatt' AND K='Zwilling'] [download as LaTeX]
a) 1. Txg2 Kxg2 2. Ld4 Kh1 3. Le5 fxe5 4. Kf4 e6 5. Kg5 e7 6. Kh4 e8=D 7. Kh3 Dxh5#
b) 1. gxf3ep gxf3 2. Ke5 Kg2 3. Le4 fxe4 4. Kf6 exf5 5. Kg7 f6 6. Kh8 f7 7. Th7 f8=D#
b) 1. gxf3ep gxf3 2. Ke5 Kg2 3. Le4 fxe4 4. Kf6 exf5 5. Kg7 f6 6. Kh8 f7 7. Th7 f8=D#
Keywords: Switchback (K in a), Entblockung, Promotion (D), Promotion in the mating move (D in b), Twin, En passant as key, Selfblock (in b), Corner mate (in b), Model mate (in b)
Genre: h#, Retro
FEN: 8/8/8/5p1p/4kPp1/3bb1p1/2r3Pp/7K
Input: hpr, 2000-10-27
Last update: Gunter Jordan, 2020-11-25 more...
Genre: h#, Retro
FEN: 8/8/8/5p1p/4kPp1/3bb1p1/2r3Pp/7K
Input: hpr, 2000-10-27
Last update: Gunter Jordan, 2020-11-25 more...
a) 1. Dc1+ Db1 2. Db2+ Dxb2#
b) 1. Dd4+ Db2+ 2. Dxb2#
1. ... Kb1 2. Dd1#
b) 1. Dd4+ Db2+ 2. Dxb2#
1. ... Kb1 2. Dd1#
Keywords: Minimal (D), Twin, Cross check (in b), Aristocrat, Stipulation change, Corner mate (in b)
FEN: 8/1q6/2b5/2Q5/8/K7/8/k7
Input: Selbstmatt-Miniaturen/Reflexmatt-Miniaturen, 2004-05-01
Last update: Gunter Jordan, 2023-06-22 more...
FEN: 8/1q6/2b5/2Q5/8/K7/8/k7
Input: Selbstmatt-Miniaturen/Reflexmatt-Miniaturen, 2004-05-01
Last update: Gunter Jordan, 2023-06-22 more...
3 - P1394730
Kurt Keller
2969 ChessStar 20/10/2021
Rasim-100MT
Judge: Ferhat Karmil
(8+9) C+
#10
b) wSa6>a4
Kurt Keller
2969 ChessStar 20/10/2021
Rasim-100MT
Judge: Ferhat Karmil
(8+9) C+
#10
b) wSa6>a4
a) 1. La6? illegal!
1. Lc8! Ka8 2. Sb4 Ka7 3. Sc2 Ka8 4. Sxd4 La7 5. Se6 Lb8 6. Sf8 Ka7 7. Sxg6 Ka8 8. Lb7+ Ka7 9. Se7 g6 10. Sc8#
6. ... La7? 7. Lb7+ Kb8 8. Sd7#
5. ... Kb8 6. Ld7 Ka8 7. Sxc7+ Kb8 8. Sa6+ Ka8 9. c7 Lb8 10. cxb8=D#
9. ... Kb7 10. c8=D#
4. ... Ka7 5. Se6 ... (transposes into lines above)
2. ... La7? 3. Lb7+ Kb8 4. Sa6#
b) 1. Lc8?
1. La6! Ka8 2. Sb2 La7 3. Sc4 Lb8 4. Sd2 La7 5. Sf3 Lb8 6. Sh4 La7 7. Sxg6 Lb8 8. Lb7+ Ka7 9. Se7 g6 10. Sc8#
7. ... Kb8 8. Sf8 Ka8 9. Lb7+ Kb8 10. Sd7#
8. ... g6 9. Sd7+ Ka8 10. Lb7#
6. ... Ka7 7. Sxg6 ...
5. ... Kb8 6. Sh4 ...
4. ... Ka7 5. Sf3 ...
3. ... Kb8? 4. Se5 dxe5 5. fxe5 Ka8 6. Lb7+ Kb8 7. e6 f4 8. e7 f3 9. e8=D#
5. ... f4 6. e6 Ka8 7. Lb7+ ...
6. ... f3 7. e7 Ka8 8. Lb7+ ...
7. ... f2? 8. e8=D#
4. ... Ka8? 5. Lb7+ Kb8 6. Sd7#
2. ... Ka7 3. Sc4 ...
1. Lc8! Ka8 2. Sb4 Ka7 3. Sc2 Ka8 4. Sxd4 La7 5. Se6 Lb8 6. Sf8 Ka7 7. Sxg6 Ka8 8. Lb7+ Ka7 9. Se7 g6 10. Sc8#
6. ... La7? 7. Lb7+ Kb8 8. Sd7#
5. ... Kb8 6. Ld7 Ka8 7. Sxc7+ Kb8 8. Sa6+ Ka8 9. c7 Lb8 10. cxb8=D#
9. ... Kb7 10. c8=D#
4. ... Ka7 5. Se6 ... (transposes into lines above)
2. ... La7? 3. Lb7+ Kb8 4. Sa6#
b) 1. Lc8?
1. La6! Ka8 2. Sb2 La7 3. Sc4 Lb8 4. Sd2 La7 5. Sf3 Lb8 6. Sh4 La7 7. Sxg6 Lb8 8. Lb7+ Ka7 9. Se7 g6 10. Sc8#
7. ... Kb8 8. Sf8 Ka8 9. Lb7+ Kb8 10. Sd7#
8. ... g6 9. Sd7+ Ka8 10. Lb7#
6. ... Ka7 7. Sxg6 ...
5. ... Kb8 6. Sh4 ...
4. ... Ka7 5. Sf3 ...
3. ... Kb8? 4. Se5 dxe5 5. fxe5 Ka8 6. Lb7+ Kb8 7. e6 f4 8. e7 f3 9. e8=D#
5. ... f4 6. e6 Ka8 7. Lb7+ ...
6. ... f3 7. e7 Ka8 8. Lb7+ ...
7. ... f2? 8. e8=D#
4. ... Ka8? 5. Lb7+ Kb8 6. Sd7#
2. ... Ka7 3. Sc4 ...
Comments:
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comment
- Author – "CS-689"
- Original problem (ChessStar Rasim-100MT, October)
- Solution text (ChessStar)
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Keywords: Twin, Model mate, Switchback, Pendulum, Selfblock, Annihilation, Springerwanderung, Stalemate dissolution, Flight-giving key, Stalemate avoidance, Corner mate
Genre: n#
Computer test: Gustav 4.1 d
FEN: 1b6/kBp3p1/NpPp2p1/1P1P1pP1/3p1P2/3K4/8/8
Input: Kurt Keller, 2021-10-20
Last update: Kurt Keller, 2022-04-03 more...
Genre: n#
Computer test: Gustav 4.1 d
FEN: 1b6/kBp3p1/NpPp2p1/1P1P1pP1/3p1P2/3K4/8/8
Input: Kurt Keller, 2021-10-20
Last update: Kurt Keller, 2022-04-03 more...
4 - P1408280
Pietro Pitton
SuperProblem (Website) 15/02/2017
15.-17. Platz
181. Thematurnier
(5+1)
#4
b) wKe4->f1
Pietro Pitton
SuperProblem (Website) 15/02/2017
15.-17. Platz
181. Thematurnier
(5+1)
#4
b) wKe4->f1
a) 1. Lh5! Kxh5 2. Kf5 Kh4 3. Lg5+ Kh5 4. g4#
b) 1. h3! Kg3 2. Lg5 Kh2 3. Lf4+ Kh1 4. g4#
b) 1. h3! Kg3 2. Lg5 Kh2 3. Lf4+ Kh1 4. g4#
Keywords: Miniature, Rex solus (s), Twin, Pawn mate, Model mate (in a), Pawn mate (in a), Batteriematt diagonal (in b), discovered checkmate (in b), Corner mate (in b)
Genre: n#
FEN: 8/8/8/8/4K2k/5B2/3B2PP/8
Input: Rainer Staudte, 2023-03-15
Last update: Gunter Jordan, 2023-03-16 more...
Genre: n#
FEN: 8/8/8/8/4K2k/5B2/3B2PP/8
Input: Rainer Staudte, 2023-03-15
Last update: Gunter Jordan, 2023-03-16 more...
a) 1. d7! Ka6 2. b8=S+ Ka5 3. Da7+ La6 4. d8=D+ Kb5 5. Dad7+ Kc5 6. Dg5+ Kb6 7. Db7+ Lxb7#
b) 1. Da7+! La6 2. b8=L! Kb5 3. Dd7+ Kb6,Ka5 4. Dd8+ Kb5,Kc6,Kc5 5. Dd5+ Kb6 6. La7+ Kc7 7. Db7+ Lxb7#
3. ... Kc5 4. Dd5+
b) 1. Da7+! La6 2. b8=L! Kb5 3. Dd7+ Kb6,Ka5 4. Dd8+ Kb5,Kc6,Kc5 5. Dd5+ Kb6 6. La7+ Kc7 7. Db7+ Lxb7#
3. ... Kc5 4. Dd5+
SCHRECKE: a)+b): C+, Gustav 4.2c, Brute Force (2023-04-13)
Henrik Juel: C+ Popeye 4.61 also... (2023-04-13)
more ...
comment
Henrik Juel: C+ Popeye 4.61 also... (2023-04-13)
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Keywords: Minimal (l), Miniature, Twin, Checking key (in b), under-promotion (S, L), Exchange of Promotions, Corner mate, Model mate, Selfblock
Genre: s#
FEN: K7/1P6/3P4/kbQ5/3R4/8/8/8
Input: Rainer Staudte, 2023-04-13
Last update: Gunter Jordan, 2023-04-13 more...
Genre: s#
FEN: K7/1P6/3P4/kbQ5/3R4/8/8/8
Input: Rainer Staudte, 2023-04-13
Last update: Gunter Jordan, 2023-04-13 more...
a) 1. Ta7+! Kb6 2. Dd8+ Kc6 3. Tc7+ Kb6 4. Tc1+ Ka6 5. Dc8+ Kb6 6. Tb1+ Dxb1 7. Db8+ Ka6,Kc6 8. Db7+ Dxb7#
b) 1. Df7+! Kc8 2. Df5+ Kc7 3. Td7+ Kc8 4. Td4+ Kc7 5. Dc2+ Dc3 6. Dh7+ Kc8 7. Tc6+ Dxc6+ 8. Db7+ Dxb7#
b) 1. Df7+! Kc8 2. Df5+ Kc7 3. Td7+ Kc8 4. Td4+ Kc7 5. Dc2+ Dc3 6. Dh7+ Kc8 7. Tc6+ Dxc6+ 8. Db7+ Dxb7#
Keywords: Echo, Aristocrat, Minimal (d), Miniature, Checking key, Corner mate, Model mate (Gnaden-), Perpetual check, Twin
Genre: s#
FEN: K3Q3/2k5/R7/3R4/8/8/8/7q
Input: Rainer Staudte, 2023-04-13
Last update: Gunter Jordan, 2023-04-13 more...
Genre: s#
FEN: K3Q3/2k5/R7/3R4/8/8/8/7q
Input: Rainer Staudte, 2023-04-13
Last update: Gunter Jordan, 2023-04-13 more...
a) 1. Df1? e3 2. Dxf3#
1. ... f2 2. Dg2#
Aber b hätte dann keine Lösung.
1. De1? droht 2. Dxe4#
1. ... e3!
1. Dd1? e3 2. Dxf3#
1. ... f2!
Deshalb:
a) 1. Dxf4! e3 2. Dxf3#
1. ... f2 2. Dxe4#
1. ... La7,L~ 2. Dh2#
b) 1. De5? e3!
1. Dg3! e3 2. Dxf3#
1. ... f2 2. Dg2#
1. ... La7,L~ 2. Dg2#
1. ... f2 2. Dg2#
Aber b hätte dann keine Lösung.
1. De1? droht 2. Dxe4#
1. ... e3!
1. Dd1? e3 2. Dxf3#
1. ... f2!
Deshalb:
a) 1. Dxf4! e3 2. Dxf3#
1. ... f2 2. Dxe4#
1. ... La7,L~ 2. Dh2#
b) 1. De5? e3!
1. Dg3! e3 2. Dxf3#
1. ... f2 2. Dg2#
1. ... La7,L~ 2. Dg2#
8 - P1413584
György Bakcsi
Laszlo Zoltan
10823 Ideal-Mate Review 78 04-06/2000
Lob
PR Eugene Albert
(2+3)
ser-=7
b) sKa2->a8
György Bakcsi
Laszlo Zoltan
10823 Ideal-Mate Review 78 04-06/2000
Lob
PR Eugene Albert
(2+3)
ser-=7
b) sKa2->a8
a) 1. b7 2. b8=L 3. Lxe5 4. Lxb2 5. Kb4 6. Kc3 7. Kc2=
b) 1. Ka3 2. Kxb2 3. Kc3 4. Kd4 5. Kxe5 6. Kd6 7. Kc7=
b) 1. Ka3 2. Kxb2 3. Kc3 4. Kd4 5. Kxe5 6. Kd6 7. Kc7=
Keywords: Alleinunterhalter (in b), Corner mate (-patt), Ideal mate, Minimal (B), Seriesmover, Twin, Miniature
Genre: Fairies
FEN: 8/8/1P6/4n3/K7/8/kr6/8
Input: Gunter Jordan, 2023-11-19
Last update: Rainer Staudte, 2023-11-19 more...
Genre: Fairies
FEN: 8/8/1P6/4n3/K7/8/kr6/8
Input: Gunter Jordan, 2023-11-19
Last update: Rainer Staudte, 2023-11-19 more...
9 - P1415679
Sergey Radchenko
11096 Ideal-Mate Review 79 07-09/2000
Lob
PR Eugene Albert
(2+2) C+
h=2
b) a1=a8
Sergey Radchenko
11096 Ideal-Mate Review 79 07-09/2000
Lob
PR Eugene Albert
(2+2) C+
h=2
b) a1=a8
a) 1. La7 c7 2. Lb8 cxb8=L=
b) 1. Lb1 f7 2. Lg6 Kxg6=
b) 1. Lb1 f7 2. Lg6 Kxg6=
Henrik Juel: I think that the twinning is more clearly described by something like
Rotate the position 90 degrees clockwise (2024-03-10)
comment
Rotate the position 90 degrees clockwise (2024-03-10)
comment
Keywords: Attack number, Corner mate (-patt), Ideal stalemate, Minimal (B/l), Symmetrical end position (in a), under-promotion (l in a), under-promotion in the stalemating move (in a), Twinning by board rotation
Genre: Fairies
FEN: k1K5/8/2P5/8/8/8/8/6b1
Input: Gunter Jordan, 2024-03-10
Last update: Gunter Jordan, 2024-03-10 more...
Genre: Fairies
FEN: k1K5/8/2P5/8/8/8/8/6b1
Input: Gunter Jordan, 2024-03-10
Last update: Gunter Jordan, 2024-03-10 more...
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The problems of this query have been registered by the following contributors:
hpr (1)Selbstmatt-Miniaturen/Reflexmatt-Miniaturen (1)
Kurt Keller (1)
Rainer Staudte (4)
Gunter Jordan (2)
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