Author: Laurence Chen
Date: 23:05:41 12/05/98
Go up one level in this thread
On December 06, 1998 at 01:25:32, Dan Istrate wrote: > I found these two positions in the manual for Diamond II and >tried to solve them with a Legend III. I've already posted some >conclusions two days ago. It seams to me that a computer with a >pretty strong program can have a very weak mate finder program. > Perhaps somebody else could try and solve these positions, >and then post the results here. If anybody has another Legend III >(or the Avenger - the travel version), please let me know if you >obtain the same results. > > Here are the two positions: > 1. White: Ka2;Qb1;Na3;Nd8;Bb8;Bf5;Pawns:e2,h2,a4,g5,d6,f6 > Black: Kd5;Nc5;Nd7;Pawn:a7 > > White to move and mate in 4 moves. In the manual, Novag >says that Diamond II needs 40 seconds to find Bxa7 and announce >mate in 3 more moves. If Diamond is set on normal playing levels >(I presume on the infinite level), it takes the computer only >11 seconds to find e2-e4 for a "mate in 5" solution. > > 2. White: Ka3;Ra8;Ng8;Pawn:h6 > Black: Kh8;Qh3;Be4;Bf6;Na5;Nh5;Pawns:c3,g3,c4,c5,e6,g6,h7 > > White to move and mate in 6 moves. Novag claims that Diamond II >needs 46 seconds to find Rb8 and mate in 6 moves. On normal playing >levels, a solution is found in a couple of hours. > > Dan It takes Fritz5/Junior5 less than 5 seconds to find the key move, and less than 1 minute to find all the variations leading to mate in a Pentium 200 MMX, with 32 MB RAM.
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.