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1 problem(s) found in 8352 milliseconds (displaying 1 problem(s)). [COMMENTDATE>=20200919 AND NOT K='Hilfsrückzüger' AND A='Popow, Grigori L.' AND K='Konstruktionsrekord'] [download as LaTeX]

1 - P1381269
Grigory Popov
SuperProblem (Website) 24/10/2020
P1381269
(9+10) C+
#13
1. a4+! Kc5 2. b4+ Kd5 3. c4+ Ke5 4. d4+ Kf5 5. e4+ Kg5 6. Tg4+ Kh5 7. Ta5+ b5 8. Txb5+ c5 9. Txc5+ d5 10. Txd5+ e5 11. Txe5+ f5 12. Txf5+ g5 13. Tfxg5#
play all play one stop play next play all
Record of 5+6 pawn double-steps

http://superproblem.ru/archive/probl/N/Popov-13-2020.gif
A.Buchanan: The final move "Txg5#" was now correctly marked as an error, because it was ambiguous. Thanks Gerd! (2020-11-14)
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comment
Keywords: Construction task, Construction record, Checking key
Genre: n#
Computer test: Gustav 4.1d
FEN: 1N3n2/1pppppp1/R6r/1k6/7R/5K2/PPPPP1n1/8
Input: James Malcom, 2020-10-24
Last update: A.Buchanan, 2020-11-14 more...
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The problems of this query have been registered by the following contributors:

James Malcom (1)