Author: Christophe Theron
Date: 23:01:15 08/22/03
Go up one level in this thread
On August 22, 2003 at 15:41:30, Alastair Scott wrote:
>On August 22, 2003 at 15:34:15, Christophe Theron wrote:
>
>>On August 22, 2003 at 10:17:13, Mihaly Szalai wrote:
>>
>>>[D]8/3p1P2/3Pp3/2p1P2K/p1p3P1/PpP3p1/1P3pP1/6k1 w - - 0 1
>>>
>>>White wins, but...
>>
>>
>>
>>I must be very tired, but I don't understand.
>>
>>Seems that the solution is 1.f8=R instead of 1.f8=Q
>>
>>But what is the difference between
>> 1.f8=R f1=Q 2.Rxf1 Kxf1
>>and
>> 1.f8=Q f1=Q 2.Qxf1 Kxf1 ???
>
>The point being that, after f8Q, Black plays ... Kh2!! and might even win after
>... f1Q if White doesn't give stalemate by playing Qxf1.
>
>Whereas, after f8R, ... Kh2 doesn't work because there is no stalemate.
>
>Alastair
OK! Now I see the point.
It was my guess that the underpromotion was justified by a stalemate threat, but
I couldn't see where.
Thanks.
Christophe
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.