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MatPlus.Net Forum General Longest win QS vs RR?
 
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(1) Posted by Hauke Reddmann [Sunday, May 6, 2018 22:33]

Longest win QS vs RR?


I don't have the Nunn or Müller handy :-)
(Surely there is a study based on the Nalimovs?)
 
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(2) Posted by Alain Villeneuve [Sunday, May 6, 2018 23:31]

The authors you quote are of no use (!) but the computer gives :
Ke1, Qd1, Ne2 / Ke8, Re7 & f8. Win in 55.

I am not sure it is the longest win, but probably not far from...
 
 
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(3) Posted by Siegfried Hornecker [Monday, May 7, 2018 01:26]; edited by Siegfried Hornecker [18-05-07]

Ask my Russian friend Kirill from which I haven't heard in some years.
Or don't ask, just see the answer on his website.
http://kirill-kryukov.com/chess/longest-checkmates/longest-checkmates.shtml

KQNKRR 174 3r2r1/8/k7/8/8/8/3K4/1Q4N1 w - - 0 1

(= 3+3 )

White to move, checkmate in 174 moves.
 
   
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(4) Posted by Hauke Reddmann [Monday, May 7, 2018 13:56]

THX for the link. The QP/RR is especially amusing -
White must underpromote :-)
 
 
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MatPlus.Net Forum General Longest win QS vs RR?