Die Schwalbe

2 problem(s) found in 5841 milliseconds (displaying 2 problem(s)). [probid='P1369409'or probid='P1369412'] [download as LaTeX]

1 - P1369409
Charles Higgie
www.gameknot.com 2016
P1369409
(7+16) C+
#22
1. Th8+! Tg8 2. Txg8+ Tf8 3. Txf8+ Le8 4. Txe8+ Sc8 5. Txc8+ Ka7 6. Lb8+ Ka8 7. Lxd6+ Ka7 8. Lb8+ Ka8 9. Lxe5+ Ka7 10. Lb8+ Ka8 11. Lxf4+ Ka7 12. Lb8+ Ka8 13. Lxg3+ Ka7 14. Lb8+ Ka8 15. Lxh2+ Ka7 16. Txa6+ Sxa6 17. Lxg1+ Le3 18. Lxe3+ d4 19. Lxd4+ Sc5 20. Lxc5+ b6+ 21. Lxb6+ Kb7 22. Sd6#
play all play one stop play next play all
Author: Charles Lowick Higgie from Chester, England (Quelle: GameKnot 2020-01-22)
Olaf Jenkner: Autor: Charles Higgie
Quelle: Gameknot 2016

Michael McDowell schreibt zu der Aufgabe in MATPLUS:
Higgie is a player who lives in the north of England, though I see from the FIDE database that he is listed as Welsh. The above wasn’t quite his original setting – he had a promoted piece because he couldn’t get find a way of getting rid of the a-pawn while maintaining legality, but I made a suggestion that worked. Strangely he just seemed content to know that the idea could be realised. He showed no interest whatever in problem chess. (2019-11-17)
comment
Keywords: Zwickmühle
Genre: n#
Computer test: O. Jenkner: Gustav 4.1 a
FEN: k7/npB4R/pR1pPrr1/K1nppN1b/5p2/6p1/6Pp/2b3q1
Input: Olaf Jenkner, 2019-11-17
Last update: A.Buchanan, 2020-08-19 more...
2 - P1369412
James Malcom
Jacques Rotenberg
Arno Tüngler

MatPlus.net Forum 17/11/2019
P1369412
(4+16) C+
s#21
1. Lxe4+! Lf4 2. Dxf4+ Sf3 3. Dxf3+ Kg1 4. Dxh1+ Kf2 5. Df3+ Kg1 6. Dxg3+ Kf1 7. Lg2+ Kg1 8. Lxd5+ Kf1 9. Lg2+ Kg1 10. Lxc6+ Kf1 11. Lg2+ Kg1 12. Lxb7+ Kf1 13. Lg2+ Kg1 14. Lxa8+ Kf1 15. Lg2+ Kg1 16. Lb7+ Kf1 17. Lxa6+ b5 18. Lxb5+ c4 19. Lxc4+ d3 20. Lxd3+ e2+ 21. Lxe2+ Dxe2#
play all play one stop play next play all
Olaf Jenkner: Erster Autor: J. Malcom
Quelle: MatPlus-Forum vom 17.11.2019

Wahrscheinlich erste Darstellung des Schlagens von 14 schwarzen Steinen im Selbstmatt. (2019-11-17)
Jacques Rotenberg: see P1369663 and P1369664

also : https://matplus.net/start.php?px=1574707520&app=forum&act=posts&tid=2311&fid=xshows&page=0 (2019-11-25)
more ...
comment
Keywords: Zwickmühle, Checking key, Superseded by (P1369663)
Genre: s#
Computer test: Gustav 4.1a, Brute Force
FEN: r7/1r2q3/bpp4b/2pp1Q2/3pp3/4pBp1/5k2/2BK2nn
Input: Olaf Jenkner, 2019-11-17
Last update: A.Buchanan, 2019-12-17 more...
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Olaf Jenkner (2)