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6th April 2008, 08:18am
#1
by chrisie
United Kingdom
Member Since: Feb 2008
Member Points: 58

can you checkmate with bishop and a king when that is all each layer has

6th April 2008, 08:25am
#2
by Charlie91
International
Member Since: Aug 2007
Member Points: 859
No, you can't, even if the opponent just has a lone king.  Frown
6th April 2008, 11:25pm
#3
by NM tonydal
United States
Member Since: Oct 2007
Member Points: 4648
Actually, checkmate is possible with both players having a king and bishop, provided that they are opposite-colored bishops (ie, one moving on white squares and the other on black).  But checkmate can never be forced.  With bishops moving on the same-colored squares, checkmate isn't even possible (not that I can think of anyway).
9th April 2008, 08:16am
#4
by chrisie
United Kingdom
Member Since: Feb 2008
Member Points: 58
thank you for the feed back
9th April 2008, 06:49pm
#5
by RetirementRules
Ankeny, Iowa United States
Member Since: Mar 2008
Member Points: 17
The comments posted above are good.  What has always amazed me is the number of people who don't know how to mate with K+R vs K!?  Any player who wants to play seriously should know this sequence.
9th April 2008, 07:01pm
#6
by TheGrobe
Calgary Canada
Member Since: Nov 2007
Member Points: 4616

9th April 2008, 07:02pm
#7
by TheGrobe
Calgary Canada
Member Since: Nov 2007
Member Points: 4616
Incidentally, the same position, but with the black bishop on a8 instead of b7 is not possible.
12th April 2008, 01:14pm
#8
by ashdown33
Mesa United States
Member Since: Apr 2008
Member Points: 28
It can be done(if you have opposite colored bishops) but the player being mated would have to make a sloppy move to get into that situation. Save some time and call a draw.
16th April 2008, 08:31am
#9
by chrisie
United Kingdom
Member Since: Feb 2008
Member Points: 58
thank you all for your feed back
16th April 2008, 08:36am
#10
by Loomis
Durham, NC United States
Member Since: Oct 2007
Member Points: 3091
TheGrobe wrote: Incidentally, the same position, but with the black bishop on a8 instead of b7 is not possible.

 True, but it would be possible to have the black bishop on a8 if the black king were on f2 instead of f1. Wink


16th April 2008, 08:46am
#11
by TheGrobe
Calgary Canada
Member Since: Nov 2007
Member Points: 4616
Loomis wrote: TheGrobe wrote: Incidentally, the same position, but with the black bishop on a8 instead of b7 is not possible.

 True, but it would be possible to have the black bishop on a8 if the black king were on f2 instead of f1.

Took me a moment to see it, but you are correct.


16th April 2008, 08:56am
#12
by likesforests
United States
Member Since: May 2007
Member Points: 4407

> it would be possible to have the black bishop on a8 if the black king were on f2

 

Nice catch!


 
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