Author: Peter Berger
Date: 01:19:31 02/13/01
Go up one level in this thread
On February 12, 2001 at 18:40:38, Heiner Marxen wrote:
>Phew, that was hard work: after 5.3 hours (K6-3/400, 50MB hash) Chest finds
>a unique key for a mate in 7. Here is a PV:
>
>Ngxf7+ Nxf7 Nxg6+ hxg6 Bxg7+ Nfxg7 Qgxh5+ Nxh5 Qfxf6+ Ngxf6 Qdxf8+ Kh7 Qgxg6#
>
>What about the playing programs? Normally they are much faster to _find_
>a mate. Did nobody try it, or is this one also hard for them?
>
>Heiner
Crafty 17.13 :
(4) 8-> 305:31 Mat08 1. Ngxf7+ Qaxf7 2. Bxg7+ Nfxg7 3. Nxg6+
hxg6 4. Rxh5+ Nxh5 5. Qdxf6+ Nhxf6
6. Rh1+ Kg7 7. Qgxg6+ Qxg6 8. Qdxg6#
(3) 9 675:52 Mat07 1. Ngxf7+ Qaxf7 2. Bxg7+ Nfxg7 3. Qgxg6
Q6xg6 4. Nxf7+ Nxf7 5. Qexg6 hxg6 6.
Qdxf8 Qxc5 7. Qxg8#
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.