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3 problem(s) found in 3217 milliseconds (displaying 3 problem(s)). [COMMENTDATE>=20220810 AND G='Retro' AND NOT K='Wer ist am Zug?' AND K='Umwandlung im Retrospiel'] [download as LaTeX]

1 - P1012052
Henri Nouguier
diagrammes 2004
P1012052
(9+15)
shc#6
1. dxc3ep 2. Kxb5 3. Kc6 4. Kd7 5. Ke8 6. 0-0 Txg7#
play all play one stop play next play all
Un des PNd a pris 1 pièce blanche. pour venir de e7. Donc les PB b, c et d ne peuvent se croiser. Le PBg6 ne peut venir de f5 car il faudrait 2 prises noires! Seule reste le dernier coup blanc 0... c2-c4 Ceci implique que le FNb1 est issue de promtion ! C'est le PNb7, il aurait pris 2 pièces blanches. Les PNg5 et h5 ont pris 2 pièces blanches.
No. 11661 HN
A.Buchanan: “Obvious promotion” is intended to refer to something visible in the initial diagram position, not what is reached during series play (2022-09-14)
A.Buchanan: Similarly “non-standard material (2022-09-14)
more ...
comment
Keywords: Seriesmover, Consequent, En passant as key, Promotion in the retro play (sLb1), Castling, Valladao Task
Genre: Retro, Fairies
FEN: 7r/5pnR/5PnR/1Pp2ppq/1kPp4/p2P4/P2pP3/Kbb4r
Input: Henri Nouguier, 2004-01-11
Last update: Mario Richter, 2022-09-14 more...
2 - P1012121
Michel Caillaud
The Problemist 1982
P1012121
(5+13)
-1w, dann #1
History of the position?
R: 1. f7xDe8=D+, dann 1. fxg8=S#

R: 1. f7xDe8=D+ Kf6-e7 g7xLh8=L+ ... Tb8-a8 ... c7xTb8=T
play all play one stop play next play all
No. 1449 HN
AV: Je crois que c'est un Fou blanc en h8 et non un Cavalier, et les derniers coups sont gxFh8=F+ Rf6-e7 fxDe8=D+ (au lieu de fxCg8=C#). Avec l'antérieur cxTb8=T, cela donne une "Allumwandlung" avec une pièce noire prise de la même nature. (2005-06-09)
Henrik Juel: You must be right, AV, because with wSh8 the retroplay might be the bland -1.f7xDe8=D Kf6 etc. without unpromotion on h8. (2005-06-13)
Michel Caillaud: Indeed the diagram is wrong : there should be a white Bishop on h8
AUW spread over retro play (-1.fxDe8=D+ Kf6-e7 -2.gxLh8=L+ ...-n.cxTb8=T) and forward play 1.fxSg8=S#
Matching nature of promoted piece and piece captured by promotion. (2023-03-25)
comment
Keywords: Help retractor, Promotion in the retro play, Promotion in forward play, Allumwandlung
Genre: Retro, h#
FEN: R1brQnnB/pp1pk2p/3pp1p1/6N1/6Kp/8/8/8
Input: Henri Nouguier, 2004-01-11
Last update: A.Buchanan, 2024-01-21 more...
3 - P1131766
Fr. Mendel
89 150 Schachkuriositäten 1910
P1131766
(5+1) cooked
-1w, dann #2
R: 1. b7-b8=S, dann 1. Ld8 Ka6 2. b8=S#
R: 1. b7-b8=S, dann 1. Ld8 Kb8 2. Sc6#
play all play one stop play next play all
Cook: R: 1. Sa6-b8, dann 1. Lc5+! Kxa6 2. Ta7#
R: 1. Sa6-b8, dann 1. Lc5+! Ka8 2. Ta7#
Henrik Juel: The forward play is 1.Ld8 Ka6/Kb8 2.b8=S/Sc6# (2022-10-14)
comment
Keywords: Miniature Collection (0011852), Help retractor, Aristocrat, Miniature, Promotion in the retro play (S), Promotion in forward play (S)
Genre: 2#, Retro
FEN: 1N6/k3BR2/8/8/3N4/2K5/8/8
Input: Felber, Volker, 2010-09-11
Last update: A.Buchanan, 2024-01-18 more...
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The problems of this query have been registered by the following contributors:

Henri Nouguier (2)
Felber, Volker (1)