Author: chandler yergin
Date: 23:10:51 10/20/05
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On October 21, 2005 at 00:20:29, Uri Blass wrote: >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. "This is not an original Root Position." "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 The analysis shows it was from a position created 5 moves ago, and was true at that point in time. Since we do not have the original Root position, we cannot verify. > >If this is the case then I suggest to agree to disagree about it and not >continue the discussion. If you have nothing positive to contribute that's fine. >If this is not the case then I suggest that you do not post analysis by other >programs. All Top Programs work basically the same way, so IMO your suggestion is not warranted. > >Uri
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