Author: Vincent Lejeune
Date: 05:31:24 09/21/99
Go up one level in this thread
On September 21, 1999 at 07:29:56, guy haworth wrote: >Thanks to Eugene and subsequent correspondents for pointing out the gem >positions with double check by queens. Chess has an infinite ability to >surprise and delight - and these positions also warn of the dangers of inducing >rules from partial considerations. > >Eugene's example shows that double check is possible in KQQKQQ. > >Anthony Bailey's example is not in KQQKQQ but is equally splendid nonetheless. > >For the convenience of any other readers, the positions were: > >(eg) K7/QPk5/8/8/8/8/8/8 wtm ... 1.b8=Q+ (double check by 2Qs) > >(eg) 7K/1p6/k7/P7/Q7/8/Q7/8 wtm ... 1.Q2c4+ b5 2.axb6+ (ep & dblech by 2Qs) > >Nothing to do with double check by Queens, but this position eluded me for a >long time: > >8/1P6/8/8/8/K7/8/k7 wtm ... 1.b8=Q or 1.b8=R stalemate! > ergo, you can't always 'run the P' to win when the bK cannot catch up! It's was some examples When you have a white queen ,a black king and a white pawn between the queen and the kind (all this 3 pieces on the 7th rank) when the pawn go to 8th rank and become a queen there's a double check by the 2 queens
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.