Die Schwalbe

22 problem(s) found in 5393 milliseconds (displaying 22 problem(s)). [COMMENTDATE>=20200919 AND NOT K='Hilfsrückzüger' AND K='Unterverwandlung im Schlüsselzug' AND K='Selbstblock'] [download as LaTeX]

1 - P0508848
Jean-Pierre Boyer
Memorial J. Oudot 1975-1976
2. Preis
P0508848
(2+13) C+
h#7
1. b1=T Kxg6 2. Tb3 axb3 3. g1=L b4 4. Lc5 bxc5 5. h1=D c6 6. Df1 c7 7. Da6 c8=S#
play all play one stop play next play all
t/Allumwandlung, u/61131, u/Stls, t/Excelsior
Erich Bartel: Duplikat siehe P0500774 (2008-04-08)
Anton Baumann: P0500774 hat einen zusätzlichen sB auf d5, welcher tatsächlich nicht erforderlich ist. Welche Stellung wurde ausgezeichnet?
C+ Gustav 4.1d (2021-02-15)
comment
Keywords: Allumwandlung, Excelsior white (auto key), under-promotion key, konsekutive Umwandlungen 4 (tldS), Minimal (B), Selfblock, Model mate, under-promotion in mating move
Genre: h#
FEN: bn6/kn5K/5br1/p7/p7/p1p5/Pp4pp/8
Reprints: feenschach 40, p. 217, 11-12/1977
Input: Erich Bartel, 1997-05-23
Last update: James Malcom, 2021-02-15 more...
2 - P1270473
Saturnin Limbach
4138 Magyar Sakkelet 12/1977
Lob
P1270473
(9+2) C+
s#10
b) wBe7->d7
a) 1. e8=T Ka3 2. Db2+ Ka4 3. Tee4 Ka5 4. Db6+ Ka4 5. Tg1 Ka3 6. Db2+ Ka4 7. Tb1 Ka5 8. Db6+ Ka4 9. Db5+ Ka3 10. Sc2+ Sxc2#
b) 1. d8=D Ka3 2. Db2+ Ka4 3. Dh4 Ka5 4. Db6+ Ka4 5. Tg1 Ka3 6. Db2+ Ka4 7. Tb1 Ka5 8. Db6+ Ka4 9. Db5+ Ka3 10. Sc2+ Sxc2#
play all play one stop play next play all
SCHRECKE: a)+b): C+, Gustav 4.1d, Brute Force (2020-10-19)
comment
Keywords: Exchange of Promotions, Twin, under-promotion key (in a), Promotion key (in b), Minimal (s), Selfblock
Genre: s#
FEN: 8/4P3/1QP5/2P2P1P/k2n2R1/4N3/8/K7
Reprints: 1896 Szachy 05/1980
Input: Frank Müller, 2013-05-20
Last update: Gunter Jordan, 2022-07-25 more...
3 - P1283305
Harald Grubert
Dieter Müller
Torsten Linss

10 harmonie 29 30/06/1990
P1283305
(4+3)
h#4
b) sBc2
a) 1. Dd5 Ke2 2. Kf4 Sd8 3. Lf5 Se6 4. Ke4 f3#
b) 1. c1=L d5 2. Lb2 Ke3 3. Lf6 Se7 4. Ke5 f4#
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SCHRECKE: a)+b): C+, Gustav 4.2a, Brute Force (2021-12-27)
comment
Keywords: Chameleon Echo, Ideal mate, under-promotion key (in b), Forsberg Twins, Miniature, Pawn mate, Pawn step variations, Remote selfblock (in a), Selfblock
Genre: h#
FEN: 8/8/2Nq4/5k2/3P4/5K2/2b2P2/8
Reprints: 26 Hilfsmattvierer , p. 11, 2000
Input: TLi, 2014-02-16
Last update: Gunter Jordan, 2021-12-27 more...
4 - P1381646
Milomir Babic
8358v Phénix 301-302 11-12/2019
1. ehrende Erwähnung
P1381646
(12+7) C+
s#9
1. c7-c8=T+! Kc6-d5 2. f7xe8=L b7-b6 3. h7-h8=D b6xc5 4. Dh8-f6 c5xd4 5. Le8-g6 d4-d3 6. Df6-g5 Kd5xd6 7. e7-e8=S Kd6-d5 8. Se8-f6+ Kd5-d6 9. Te1-e6+ d7xe6#
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Version zu: P1381602
PR Yves Tallec 04-05/2020
SCHRECKE: Das ist ein s#9!
C+, Gustav 4.1d, Brute Force
Umwandlungsläufer sLe8! (2020-11-09)
comment
Keywords: Checking key, under-promotion key, Model mate, Selfblock, Allumwandlung, Pawn mate, Obvious promotion, konsekutive Umwandlungen 4 (TLDS)
Genre: s#
Computer test: Gustav 4.1c
FEN: 4b3/1pPpPP1P/2kP4/1pP2K2/1prP4/1B6/3P4/B3R3
Input: Marcin Banaszek, 2020-11-09
Last update: James Malcom, 2020-11-09 more...
5 - P1386619
Pascale Piet
8870 Seven Chess Notes 176 09/2020
P1386619
(2+5) C+
h#5
1. d1=S Txh8 2. Se3 Tb8 3. Sf5 Txb3 4. Kh8 Tf3 5. Sg7 Tf8#
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Auf h7 genügt ein sB! C+
Henrik Juel: missing stipulation, probably just h#5 (2021-02-19)
comment
Keywords: Corner mate, Kniest Theme, Miniature, Minimal (T), Model mate, Round Trip (T-5), Selfblock, under-promotion (S), under-promotion key
Genre: h#
Computer test: Gustav 4.0 i
FEN: 5R1b/6kr/8/8/8/1b6/3p4/K7
Input: Gunter Jordan, 2021-02-18
Last update: Mario Richter, 2021-02-20 more...
6 - P1389667
Mykola Kolesnik
8760 Seven Chess Notes 174 07/2020
P1389667
(2+5) C+
h#6
Zero
a) wBe2->g2
b) sBe4->f3
a) 1. c1=L g4 2. Lh6 g5 3. e3 gxh6 4. e2 h7 5. e1=L h8=D 6. Lb4 Da1#
b) 1. f2 e4 2. f1=L e5 3. Lb5 e6 4. Ld7 exd7 5. c1=L d8=D 6. Lb2 Da5#
play all play one stop play next play all
SCHRECKE: a)+b): C+, Gustav 4.1d, Brute Force (2021-05-16)
comment
Keywords: Antiphönix, Echo, corner to corner (D in a), Kindergarten Problem, konsekutive Umwandlungen 3 (llD), Miniature, Minimal (B), Model mate, Selfblock, Promotions to queens, Promotions to bishops, under-promotion key (in a)
Genre: h#
Computer test: SCHRECKE:: C+, Gustav 4.1d, Brute Force (2021-05-16)
FEN: 8/4p3/8/8/4p3/kp6/2p1P3/7K
Input: Gunter Jordan, 2021-05-16
Last update: Alfred Pfeiffer, 2021-08-18 more...
7 - P1391849
Sergii I. Tkachenko
Leonid Lyubashevsky

H2615 StrateGems 95 07-09/2021
P1391849
(2+7) C+
h#6
1. f2-f1=L Ld1xc2 2. Td2-d1+ Lc2xd1 3. c3-c2 Kc1-d2 4. c2-c1=L+ Kd2-e1 5. Lc1-f4 Ke1xf1 6. Lf4-h2 Ld1xf3#
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VL: Schnoebelen Theme (l) (2022-01-23)
comment
Keywords: Minimal (L), under-promotion key (l), under-promotion (l), Promotions to bishops, konsekutive Umwandlungen 2 (ll), Antiphönix, Selfblock, Corner mate
Genre: h#
Computer test: Gustav 4.1c
FEN: 8/8/8/8/8/2pp1p2/2pr1p2/2KB3k
Input: Marcin Banaszek, 2021-07-16
Last update: Alfred Pfeiffer, 2022-02-02 more...
8 - P1399802
Gunter Jordan
9146 Phénix 324 11/2021
P1399802
(3+2) C+
ser-!#7
1. b8=L 2. b7 3. Kb6 4. Ka7 5. Ka8 6. La7 7. b8=L!#
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Meeraner, Urform, Themafiguren wB/L & wB/L

Erstdarstellung der Meeraner-Urform im Serienzugeigenmatt.
Henrik Juel: Can be tested with Popeye 4.87 also (in 1.9 seconds) (2022-03-15)
comment
Keywords: discovered checkmate, Corner mate, Eigenmatt, konsekutive Umwandlungen 2 (LL), Meerane-Thema, Minimal (l), Model mate, Selfblock, Seriesmover, Symmetrical end position, Umnov, Promotions to bishops, under-promotion (L), under-promotion in mating move, under-promotion key
Genre: Fairies
Computer test: Gustav 4.1.a
FEN: 8/1P6/1Pb5/2K5/4k3/8/8/8
Input: Gunter Jordan, 2022-03-15
Last update: Gunter Jordan, 2022-03-15 more...
9 - P1401081
Reinhardt Fiebig
Rolf Wiehagen

H1773 Probleemblad 10-12/2021
P1401081
(3+6) C+
h#4vv
Versuch 1: 1. c1=S 0-0?? 2. Sb3 (Sd3?) Tc1 3. Sa5 (Sc5?) Txc7 4. Sb7 Tc8#
Versuch 2: 1. c1=S Kd2? 2. Sd3 (Sb3+?) Tc1 3. Sc5 Txc7?? 4. Sb7 Tc8#
Lösung: 1. c1=S (a1=S?) Kf2 (Kd2?) 2. Sb3 (Sd3+?) Tc1 3. Sa5 (Sc5?) Txc7 4. Sb7 Tc8#
play all play one stop play next play all
Der Versuch 1 ist wegen der Unzulässigkeit der Rochade nicht machbar.

Hierzu gibt es eine Version, siehe P1403979.
Henrik Juel: It may seem obvious, but still:
White may not castle, because he just moved king or rook (2022-05-02)
comment
Keywords: Corner mate, Castling position, under-promotion (s), under-promotion key, Selfblock, Model mate, Line opening, Homebase (w)
Genre: h#
FEN: k7/p1b1p3/8/8/8/8/p1p4P/4K2R
Input: Gunter Jordan, 2022-05-02
Last update: Gunter Jordan, 2022-08-31 more...
10 - P1402476
Vladimir Evseev
Problemist Ukrainy 68, p. 11, 04-06/2021
1. Preis
Abt. Idealmatts
Yuri Bilokin-70
PR Yuri Bilokin
P1402476
(2+5)
h#5
2.1...
1) 1. h1=D Lxb3 2. Dh8 Ke4 3. Kb1 Kd3 4. Da1 Kd2 5. Sb2 Lc2#
2) 1. h1=T Ke4 2. Sc3+ Kd3 3. Ta1 Ld1 4. Kb1 Kxc3 5. Sc1 Lc2#
play all play one stop play next play all
Henrik Juel: C+ Popeye 4.61 (2022-07-05)
comment
Keywords: corner to corner (d in 1), Ideal mate, Miniature, Minimal (L), Promotion key (in 1), Exchange of Promotions, under-promotion key (in 2), corner to corner (t in 2), Promotion (d in 1), under-promotion (t in 2), Selfblock
Genre: h#
FEN: 8/8/8/5K2/8/1n6/bkB4p/3n4
Input: Gunter Jordan, 2022-07-05
Last update: Gunter Jordan, 2022-07-05 more...
11 - P1402691
Vladimir Koci
H4511 The Problemist 28-6, p. 243, 11/2021
P1402691
(3+11) C+
h#6
2.1...
1) 1. Lg8 c4 2. Ld5 cxd5 3. Kg5 dxc6 4. Kf4 c7 5. Ke5 c8=D 6. Kd4 Dc5#
2) 1. e1=T c4 2. Td1 c5 3. Td6 cxd6 4. g2 d7 5. g1=T d8=S 6. Tg6 Sf7#
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Yuri Bilokin: more economicai -wPc3, -bPe3
8/6bb/2p2p1k/5p1p/1K2p3/6p1/2P1p3/8 (2+10) h#6 2.1…
1.Bg8 c4 2.Bd5 cxd5 3.Kg5 dxc6 4.Kf4 c7 5.Ke3 c8=Q 6.Kd3 Qc3#
1.e1=R c4 2.Rd1 c5 3.Rd6 cxd6 4.g2 d7 5.g1=R d8=S 6.Rg6 Sf7# (MM)
Excelsior (white) × 2
Exchange of functions (bPe2/bBh7, Active sacrifice / Passive self-block) (2022-07-18)
comment
Keywords: under-promotion key (in 2), Promotions to rooks (in 2), konsekutive Umwandlungen 3 (ttS in 2), Promotion (D in 1), Allumwandlung, Selfblock (in 2), Entblockung (in 1)
Genre: h#
Computer test: Popeye WINDOWS98-32Bit-Version 3.77 (8192KB)
FEN: 8/6bb/2p2p1k/5p1p/1K2p3/2P1p1p1/2P1p3/8
Input: Felber, Volker, 2022-07-13
Last update: Gunter Jordan, 2023-03-09 more...
12 - P1404944
Stephan Dietrich
18937 Die Schwalbe 314 04/2022
Norbert Geissler zum
64. Geburtstag gewidmet
P1404944
(5+3)
ser-s#13
Alphabetschach
Breton adverse
1. a8=L 2. b8=L 3. Lf3 4. La7 5. Lg1 6. d8=S 7. Se6 8. Sg5 9. e8=S 10. Sf6 11. Lg4 12. Sh5 13. Ld4 Sxg4 [-wLd4]#
play all play one stop play next play all
SCHRECKE: C+, popeye 4.87 (2023-03-12)
comment
Keywords: Seriesmover, Schlüssel = Eckzug, under-promotion key, under-promotion (LS), under-promotion B/S, konsekutive Umwandlungen 4 (LLSS), Corner mate, Selfblock, Ideal mate
Genre: Fairies
FEN: 7k/PP1PP3/7K/4n3/7n/8/8/8
Input: Stefan Höning, 2022-10-07
Last update: Gunter Jordan, 2023-03-11 more...
13 - P1407225
Vladimir Korolkov

Lettische SSR 1958
2. Preis
P1407225
(2+14) C+
h#4
1. e1=L Txh3 2. f1=T Txh2 3. Kf2 Txh1 4. g1=S Th2#
play all play one stop play next play all
correction by Aleksandr Maksimov (17.05.2022)
previously been – Remove g4 & Move d3 b3
siehe auch P0501210 P0516014 P0577817
http://problem64.beda.cz/silo/konkurs_sostavlenija_zadac_latvia_1958.pdf
Seite 18
Quelle Preisbericht ergänzen
Yuri Bilokin: more economical wKb1-a1, bBh1-b3, bRh2-h1, bPg4-h2, bPf3(-bRf3), -bPc3, -bPd3 8/8/8/8/5p1R/1b2bpnn/4pppp/K5kr (2+12) (2023-01-14)
comment
Keywords: Minimal (T), konsekutive Umwandlungen 3 (lts), under-promotion key, Selfblock, Model mate
Genre: h#
Computer test: C+ laut YACPDP
FEN: 8/8/8/8/5ppR/2ppbrnn/4pppr/1K4kb
Input: HBae, 2023-01-11
Last update: HBae, 2023-01-11 more...
14 - P1407348
Andreas Thoma
14828 Springaren 158 6/2021
P1407348
(2+3) C+
h#6
1. a1=L Kg6 2. Ka2 Kf5 3. Lb2 Ke4 4. La3 Kd3 5. d1=T Kc2 6. Ta1 Ld5#
play all play one stop play next play all
Yuri Bilokin: possibly wBg2-a4 8/7K/8/8/B7/8/pk1p4/8 (2+3) h#6
1.a1=B Kg6 2.Ka2 Kf5 3.Bb2 Ke4 4.Ba3 Kd3 5.d1=R+ Kc2 6.Ra1 Bb3# (IM)

Place exchange (bB/bK)
Promotion (rb)
Ideal mate (2023-01-22)
Henrik Juel: This is no ideal mate, as b3 is guarded both by Kc2 and Ld5 (2023-01-22)
Gerald Ettl: Hallo Henrik, bezüglich des Idealmatts: in seiner Version steht der wL zum Schluss auf b3. (2023-01-22)
comment
Keywords: konsekutive Umwandlungen 2 (lt), Minimal (L), Schlüssel = Eckzug, Selfblock, under-promotion (tl), under-promotion key
Genre: h#
Computer test: Gustav 4.1 i
FEN: 8/7K/8/8/8/8/pk1p2B1/8
Input: Gunter Jordan, 2023-01-19
Last update: Gunter Jordan, 2023-01-19 more...
15 - P1407698
Jiri Jelinek
Bulletin 26/06/2021
4. Preis
Jorma Pitkänen-80 JT 2021
P1407698
(2+10) C+
h#8
1. c1=S Kb1 2. Sb3 axb3 3. Se4 b4 4. d2 b5 5. d1=S b6 6. Se3 b7 7. S3f5 b8=S 8. Sg5 Sd7#
play all play one stop play next play all
Turnier-Thema: h#8, one solution, with wS(s) + bS(s).
Henrik Juel: C+ Popeye 4.61 (2023-02-09)
comment
Keywords: Entblockung, Excelsior white, konsekutive Umwandlungen 3 (ssS), Liniensperrung, Model mate, Check Protection, Selfblock, Promotions to Knights, under-promotion (Sss), under-promotion key, Minimal (B)
Genre: h#
FEN: 8/4nqb1/4pkb1/8/8/p2p4/P1p2n2/K7
Reprints: 4 The Problemist 283 01/2022
Input: Gunter Jordan, 2023-02-09
Last update: Gunter Jordan, 2023-02-09 more...
16 - P1408712
George P. Sphicas
8122 Phénix 2017
3. Preis
PR Tadashi Wakashima
P1408712
(10+3)
ser-s#21
1. a8=L 2. Lb7 3. La6 4. c7 5. c8=S 6. Sd6 7. d8=D 8. Df6 9. Sf5 10. g6 11. g7 12. g8=T 13. Tg1 14. Tc1 15. Ke1 16. Dd1 17. Le2 18. d2-d3 19. Kd2 20. Le1 21. Se3+ dxe3#
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paul: Cooked with Jacobi: 1.d3 2.Kd2 3.Be1 4.Qd1 5.g6 6.c7 7.g7 8.a8=R 9.c8=B 10.d8=S 11.Ra1 12.Rc1 13.Bg4 14.Be2 15.Se6 16.g8=Q 17.Qg7 18.Qf6 19.Sg7 20.Sf5 21.Se3+ dxe3#

I used this code:
forsyth 8/P2P4/2P5/2bk2PQ/3p4/2P5/2PPKB2/8

stip ser-dia 21
pieces white Kd2 Qd1f6 Rc1 Be1e2 Se3 Pc2c3d3 black Kd5 Bc5 Pd4 (2023-05-09)
comment
Keywords: Allumwandlung, Antiphönix, Pawn mate, Entblockung, Remote selfblock, Skittles setup (im Mattbild), konsekutive Umwandlungen 4 (LSDT), Liniensperrung, Model mate, Check Protection, Schlüssel = Eckzug, Selfblock, Seriesmover, Promotion (D), under-promotion (TLS), under-promotion key
Genre: Fairies
FEN: 8/P2P4/2P5/2bk2PQ/3p4/2P5/2PPKB2/8
Input: Gunter Jordan, 2023-04-05
Last update: Gunter Jordan, 2023-04-05 more...
17 - P1408897
Marko Ylijoki
H1852 Probleemblad 1/23 01-03/2023
Onerva gewidmet
P1408897
(3+15) C+
h#6
0.2.1...
1) 1. ... d8=T+ 2. Kc4+ Td3 3. Lg8 Txb3 4. Sc7 Txe3 5. Dc2+ Kxc2 6. Sd5 Te4#
2) 1. ... d8=L 2. Lf5 Lf6 3. Lh3 Lxb2 4. Kd2 Lf6 5. Ke1 Kc1 6. Lf1 Lh4#
play all play one stop play next play all
Yuri Bilokin: you can see h#3 1.c4 d8=Q+ 2.Rd5 Qxa5 3.c3 Qxd5# (2023-04-19)
comment
Keywords: under-promotion key (t,l), under-promotion (t,l), Checking key (in 1), Cross check (in 1), Discovered check (in 1), Königsbatterie (in 1), selfpinning (in 1), Unpinning (in 1), Line opening (in 1), Selfblock, Switchback (L in 2), Model mate (in 2)
Genre: h#
FEN: 8/3P3b/n7/rrp5/qp3p2/pp1kpP2/1p2p3/bK6
Input: Gunter Jordan, 2023-04-15
Last update: Gunter Jordan, 2023-07-25 more...
18 - P1408962
George P. Sphicas
8123 Phénix 2017
2. ehrende Erwähnung
PR Tadashi Wakashima
P1408962
(4+10) C+
ser-h=23
1. d1=T 2. Td2 3. Ta2 4. d2 5. d1=D 6. Dd4 7. Da1 8. d4 9. d3 12. d2 11. d1=S 12. Sb2 13. Kb1 14. Lc1 15. e3 16. e2 17. e1=S 18. Sc2 19. g5 20. g4 21. g3 22. g2 23. h1=L Dg1=
play all play one stop play next play all
Olaf Jenkner: Wirklich C+ ?? (2024-02-25)
comment
Keywords: Allumwandlung, black, Entblockung, Remote selfblock, pin-stalemate, konsekutive Umwandlungen 5 (tdssl), Liniensperrung, Model stalemate, Rückkehr nach Umwandlung, Check Protection, Selfblock, Seriesmover, Umnov, Promotion (d), Exchange of Promotions, under-promotion (tls), under-promotion key (b/t)
Genre: Fairies
FEN: KR6/7B/6p1/3p4/p3p3/p2pb3/3p1Q1p/2k5
Input: Gunter Jordan, 2023-04-18
Last update: Gunter Jordan, 2023-04-18 more...
19 - P1409605
Reinhardt Fiebig
Eberhard Schulze

Problem-Forum 15/03/2014
P1409605
(3+8) C+
h#5
0.1.1...
b) sSg7->h4
a) 1. ... a8=S 2. Tf2 Sb6 3. Tf7 exf7+ 4. Kd8 f8=S 5. Se8 Se6#
b) 1. ... a8=L 2. Sg6 Le4 3. Sf8 Lh7 4. Ta8 Lg8 5. Td8 Lf7#
play all play one stop play next play all
more ...
comment
Keywords: under-promotion (SS,L), under-promotion key, Promotions to Knights (in a), konsekutive Umwandlungen 2 (SS in a), Twin, Model mate, Selfblock
Genre: h#
Computer test: Gustav 4.2
FEN: 4k3/P3p1n1/4P3/8/3p4/6pp/r5p1/6K1
Input: Eberhard Schulze, 2023-05-14
Last update: Gunter Jordan, 2023-06-28 more...
20 - P1414995
Marko Ylijoki
4178 Variantim 90 08/2023
P1414995
(2+8) C+
h#7
0.1.1...
b) wBc2->c7
a) 1. ... c4 2. Dh2+ Kxh2 3. g3+ Kxh3 4. g2 c5 5. g1=T c6 6. Ta1 c7 7. Ta7 c8=D#
b) 1. ... c8=S 2. La7 Sd6 3. Sb6 Sxe8 4. Lg2+ Kg1 5. Lb7+ Kf1 6. Sd7 Ke2 7. Sb8 Sc7#
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Yuri Bilokin: you can see b) 1.Ba7 c8=S 2.Sb6 Sd6 3.Bg2+ Kg1 4.Bb7+ Kf1 5.Sd7 Sxe8 6.Sb8 Sc7#
1.Sb4 c8=S 2.Sa6 Sd6 3.Sb8 Sc4 4.Sd6 Sa3 5.Sb7 Sb5 6.Ba7 Sc7#
1.Sb4 c8=S 2.Sa6 Sd6 3.Sb8 Sc4 4.Sd6 Sa3 5.Ba7 Sb5 6.Sb7 Sc7#
1.Sb4 c8=S 2.Sa6 Sd6 3.Sb8 Sc4 4.Sd6 Se3 5.Sb7 Sd5 6.Ba7 Sc7# (2024-02-18)
comment
Keywords: Corner mate, Smothered mate (in b), Excelsior white (in a), konsekutive Umwandlungen 2 (tD), Minimal (B), Model mate, Phoenix (in a), Rückkehr nach Umwandlung (in b), Round Trip (B/S in b), Selfblock, Promotion (D in a), Promotion in the mating move (in a), Exchange of Promotions, under-promotion (t,S), under-promotion key (in b)
Genre: h#
FEN: k3n3/8/8/3n4/5pp1/6qb/2P2b2/7K
Input: Gunter Jordan, 2024-02-13
Last update: Gunter Jordan, 2024-02-13 more...
21 - P1415229
Claus Grupen
Andreas Thoma

2015/60 Schach in Schleswig-Holstein 11/2015
2. ehrende Erwähnung
P1415229
(2+5) C+
h#6
b) sLc2
a) 1. c1=L h4 2. Tg2 h5 3. Tg6 h6 4. Lg5 h7 5. Kg7 Kb2 6. Kh6 h8=D#
b) 1. Lg6 h4 2. Tf2 h5 3. Tf7 Kb2 4. a1=T hxg6 5. Th1 gxf7 6. Th7 f8=D#
play all play one stop play next play all
Yuri Bilokin: Illegal position: no legal last move for White (BTM). (2024-02-22)
comment
Keywords: corner to corner (t in b), Corner mate (in b), Entblockung, Excelsior white, Remote selfblock (2-fach in a), Forsberg Twins, konsekutive Umwandlungen 2 (lD,tD), Line opening, Minimal (B), Model mate, Selfblock (in b), Tempo Loss (in a), Tschumakow Theme, Promotion (D), Promotion in the mating move, under-promotion (l,t), under-promotion key (in a), Miniature
Genre: h#
Computer test: Gustav 4.1 a
FEN: 7k/8/8/8/8/1p6/prp4P/K7
Input: Gunter Jordan, 2024-02-21
Last update: Gunter Jordan, 2024-02-21 more...
22 - P1415353
Valery Surkov
ru_chess_art 29/02/2024
P1415353
(5+2)
s#5
* 1. ... Kc3 2. h8=D+ Kc4 3. Df8! Kc3 4. Da3+ Kc4 5. Tb5! axb5#

1. h8=T! Kc3 2. Th1! Kc4 3. Ta1! Kc3 4. Ta3+ Kc4 5. Tb5! axb5#
play all play one stop play next play all
Henrik Juel: C+ Popeye 4.61 (2024-02-29)
comment
Keywords: changed blocks, under-promotion key, under-promotion (T), Promotion (D im *), Exchange of Promotions, Schlüssel = Eckzug, Minimal (b), Pawn mate, Switchback (k), Selfblock, Antiphönix, Rook sacrifice, corner to corner (T)
Genre: s#
FEN: 8/7P/p7/P2R4/K1k5/8/3R4/8
Input: Rainer Staudte, 2024-02-29
Last update: Gunter Jordan, 2024-02-29 more...
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The problems of this query have been registered by the following contributors:

Erich Bartel (1)
Frank Müller (1)
TLi (1)
Marcin Banaszek (2)
Gunter Jordan (12)
Felber, Volker (1)
Stefan Höning (1)
HBae (1)
Eberhard Schulze (1)
Rainer Staudte (1)