Author: Uri Blass
Date: 21:20:29 10/20/05
Go up one level in this thread
On October 20, 2005 at 22:22:10, chandler yergin wrote: >Posted by Drexel,Michael (Profile) on October 19, 2005 at 15:17:59: > >In Reply to: Re: Huge Bug in Fritz 9 (Engine) posted by Eduard Nemeth on October >19, 2005 at 04:11:43: > > >No, this position was created by me yesterday evening to make it clear there >exists a Bug in Fritz 9. I could create hundreds of them, the specific position >doesn´t matter at all. > >While analysing an endgame position I got very strange scores. Fritz evaluated >a position -2 which should have been evaluated at least -6. >So I knew that it will likely drop pieces under certain circumstances and I >created this position. > > > >This is not an original Root Position. > >[D]1n1r3k/1p1n4/2p5/8/3B4/8/4K3/R7 b >Analysis by Fritz 9: > > > >A position was created; 5 moves have been made by White. >It is now Black's turn to move. > >5...Se5 6.Lc3 b5 7.Ta7 Kg8 8.Tc7 Te8 > ³ (-0.34) Depth: 7/19 00:00:00 72kN >5...Se5 6.Lc3 b5 7.Ta8 Kh7 8.Ta5 Sd3 9.Ke3 > ³ (-0.37) Depth: 8/19 00:00:00 169kN >5...Se5 6.Lc5 b5 7.Le7 Te8 8.Lf6+ Kh7 9.Kd2 Sbd7 10.Th1+ Kg6 > ³ (-0.38) Depth: 9/28 00:00:00 490kN >5...Se5 6.Lc3 b5 7.Tb1 Kh7 8.La1 Sa6 9.Lc3 Kg6 10.Th1 > ³ (-0.38) Depth: 10/26 00:00:00 1234kN >5...Se5 6.Lc3 b5 7.Ta7 Sa6 8.Kf1 c5 9.Ke2 Kg8 10.Tb7 Sc7 > ³ (-0.38) Depth: 11/29 00:00:01 2285kN >5...Se5 6.Lc3 b5 7.Th1+ Kg8 8.Tb1 Td3 9.La1 Sbd7 10.Tb4 Kf7 11.Lb2 > ³ (-0.40) Depth: 12/30 00:00:04 6291kN >5...Se5 6.Lc3 b5 7.Th1+ Kg8 8.Tb1 Kf7 9.La5 Td3 10.Lc7 Sbd7 11.Tb4 Kg6 > ³ (-0.41) Depth: 13/40 00:00:11 15607kN >5...Se5 6.Lc3 b5 7.Th1+ Kg8 8.Tb1 Kf7 9.Tf1+ Ke6 > ³ (-0.43) Depth: 14/38 00:00:30 42044kN >5...Se5 6.Lc3 b5 7.Th1+ Kg8 8.Tb1 Kf7 9.Tf1+ Ke6 > ³ (-0.43) Depth: 14/46 00:01:27 121127kN > >Making this an original Root position we have: >[D]1n1r3k/1p1n4/2p5/8/8/2B5/4K3/R7 b - - 0 2 >Analysis by Shredder 8: > >1. -+ (-5.11): 2...Kg8 3.Kd2 c5 4.Rh1 Kf7 5.Ba5 Rc8 6.Kc2 b6 7.Be1 >2. -+ (-5.04): 2...Kh7 3.Kd2 b5 4.Ba5 Re8 5.Rf1 Ne5 >3. µ (-0.92): 2...Ne5 3.Bxe5+ Kh7 4.Ra7 Kg6 5.Rxb7 Nd7 6.Bc3 Kf5 7.Rc7 >4. +- (3.96): 2...Nf6 3.Bxf6+ Kg8 4.Bxd8 Na6 5.Rf1 b5 6.Rf6 Nb4 7.Bb6 Kg7 > >(, MyTown 20.10.2005) I understand that you think that the fact that Shredder8 has no bugs in that position proof that Fritz9 has also no bugs in that position. If this is the case then I suggest to agree to disagree about it and not continue the discussion. If this is not the case then I suggest that you do not post analysis by other programs. Uri
This page took 0.01 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.